Electrical Load Center May Overheat – 2020-2021 Spartan Fire Gladiator & MetroStar Fire Trucks

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Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 1 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. DATE: 9/12/2022 APPLIES TO: This service bulletin applies to certain 2020 through 2021 model year, Gladiator and Metro Star model emergency response vehicles built between May 2020 and May 2022. NHTSA/TC Id: 22V539 / TC2022-414 CONDITION: Certain Schneider Electric QO Plug-On Neutral Load Centers may possess a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, posing thermal burn and fire hazards. CORRECTION: Inspect load center plant and manufacturer’s date codes to determine if affected. If affected, repair load center per instructions below. LABOR ALLOCATION: 1 hour CLASSIFICATION: V3 GENERAL INSTRUCTIONS: Thoroughly review entire service bulletin before starting work. If there are questions or concerns with steps defined in this service bulletin, contact Spartan Fire, LLC. Customer & Product Support Group. All applicable industry safety standards must be followed when performing work identified in this procedure. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 2 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 3 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 4 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Typical Locations of Load Center in Body Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 5 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 6 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Step by Step Instructions • Ensure power is disconnected from load center and verify with DVOM or appropriate circuit testing device before proceeding. • Remove 4 panel screws and remove the load center cover. • Do not use the plant and/or date codes on the load center door for identification. The door and the load center panel are purchased separately, therefore the codes on the door will not be accurate. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 7 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. • Reference the codes on the inside of the load panel Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 8 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. ATTENTION! Photos will be required at the end of the procedure. 1. If date code and plant number are in the affected range, perform repair, install inspection stickers and supply photo of inspection stickers as shown below. 2. If date code and plant number are not in the affected range, capture photo of data label with date code and plant number. No need to apply inspection stickers. Please email photos with the VIN in the title to andrew.haigh@spartanmotors.com. Receipt of photos will be necessary before payment can be issued for the claim. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 9 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 10 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 11 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 12 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 13 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 14 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 15 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 16 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 17 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Recall Service Bulletin Recall Service Bulletin RSB22-520-001 Page 18 of 18 QUA-FR-0290 Rev: 4.0 22003 Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and have the tools and equipment to perform procedures safely and properly. Notice! Photos will be required at the end of the procedure. 1. If date code and plant number are in the affected range, perform repair, install inspection stickers, and supply photo of inspection stickers as shown below. 2. If date code and plant number are not in the affected range, capture photo of data label with date code and plant number. No need to apply inspection stickers. Please email photos with the VIN in the title to andrew.haigh@spartanmotors.com. Receipt of photos will be necessary before payment can be issued for the claim.

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September 14th, 2022 R=–vGROUP FIRE CHASSIS 1541 Reynolds Road Charlotte, Ml 48813 SPARTANCHASSIS.C □ M This notice applies to the vehicle identification number below. Dear Valued Customer, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Spartan Fire, LLC has decided that a defect which relates to motor vehicle safety exists in certain model year 2020-2021, Gladiator and MetroStar model emergency response vehicles. Please note: The Vehicle Identification Number that may be affected by this recall is located at the top of this letter. What is the defect? As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between December 1, 2019 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat. If the load center screw connection is loose, it can overheat, posing thermal burn and fire hazards, and there is a potential risk for property damage and personal injury. This may occur without warning. Corrective Action: Spartan Dealers will inspect the load centers and repair, as necessary. There is no cost to the vehicle owner for the recall remedy. Labor Time: Estimated time for the remedy may be up to 1 hour for inspection and repair of the load center. Spartan Fire, LLC What You Should Do: If you need further assistance with this notification, contact your local dealer to have the work performed. If you cannot locate a dealer, call Spartan at 1-800-867-6478 to locate your nearest dealer. Steps will be taken to ensure the recall is performed at the nearest dealer. Leased Vehicles: The lessor must notify the lessee by first class mail within ten (10) days from receipt of their owner notification letter from the manufacturer; both for the initial notification and all subsequent notifications. Reimbursement: If you had this repair performed before you received this letter, you may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of the problem associated with this recall. For more information contact Spartan at 1-800-867-6478. Information Change: If you have changed your address, sold or traded your vehicle, please email us at Firetruckservice@spartanmotors.com to provide updated information. If the authorized service center has failed or is unable to remedy the defect without charge and within a reasonable time, contact Spartan at 1-800-867-6478. You may also submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, D.C. 20590 or call the Auto Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov if you feel the manufacturer has failed or is unable to remedy the defect without charge. We regret any inconvenience this service may cause you. Your safety and continued satisfaction with the quality and performance of your chassis is of the utmost concern to us. Sincerely, Spartan Fire LLC Spartan Fire, LLC

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Spartan Fire, LLC IMPORTANT SAFETY RECALL NHTSA Recall – 22V539 Spartan Internal Recall No. 22003 Dear Dealer or Service Manager: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Spartan Fire, LLC has decided that a defect which relates to motor vehicle safety exists in certain model years 2020-2021, Gladiator and MetroStar model emergency response vehicles. As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between December 1, 2019 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat. If the load center screw connection is loose, it can overheat, posing thermal burn and fire hazards, and there is a potential risk for property damage and personal injury. This may occur without warning. Spartan Dealers will inspect the load centers and repair, as necessary. Estimated time for the remedy may be up to 1 hour for inspection and repair of the load center. There is no cost to the vehicle owner for the recall remedy. We will contact all owners of these units that are affected by this recall. They will be directed to the appropriate dealer for repair. IMPORTANT: Some vehicles may still be in dealer inventory. Federal law requires you to complete the recall remedy on such vehicles before delivery to the retail customer. SCHEDULING THE WORK: 1. When the customer calls reporting receipt of a Recall Letter, schedule the work at your mutual convenience. Spartan Fire, LLC 2. To verify recall status, please call Spartan at 800-867-6478, and reference 22003. 3. Please provide current owner name, address and phone number. 4. If you have previously performed the inspection or the repairs but have not yet submitted an invoice for the work, we are requesting that you submit the invoice within 10 calendar days. COMPLETING THE WORK: Review the service bulletin and complete the work as instructed. DOCUMENTING THE WORK: 1. Please itemize the identified recall number 22003 as completed work on your invoice (separate from any other charges), provide the necessary picture described in the service bulletin and reference the work authorization number obtained. You must include the Vehicle Identification Number as a part of this repair when submitting your invoice. 2. E-mail Andy Haigh at andy.haigh@spartanmotors.com if you have any questions. 3. Spartan will send stickers in the mail that will be needed for the required picture of the label inside the load center; if the truck is inspected, identified as part of the affected population and remedied. If the truck is inspected and not part of the affected population, a picture, without the sticker, of the label inside the load center will be required. HANDLING AN OWNER WITH NO CONFIRMATION LETTER: 1. If you are contacted by the current owner who has not received a recall letter, you should verify that they have an affected vehicle by calling Spartan 800-867-6478 opt 0 for verification. 2. Complete the work as instructed in the service bulletin. 3. Document the work and submit the claim as instructed under the Documenting the Work section above. SPARTAN ASSISTANCE: 1. If you have technical questions or questions regarding warranty claims, please call 800-867-6478 Thank you for your continued support, and we appreciate your partnership. Sincerely, Spartan Fire, LLC

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-539 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Spartan Fire, LLC Submission Date : JUL 26, 2022 NHTSA Recall No. : 22V-539 Manufacturer Recall No. : 22003 Manufacturer Information : Manufacturer Name : Spartan Fire, LLC Address : 1541 Reynolds Road Charlotte MI 48813 Company phone : 517-588-4700 Population : Number of potentially involved : 8 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2021 Spartan Fire Gladiator and MetroStar Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : All units involve, indoor, outdoor and original equipment manufacturer (OEM) Square D QO Plug-On Neutral Load Centers that were installed on vehicles. The circuit breaker boxes were sold in gray and come in various sizes (square and rectangular). Affected products were manufactured between December 1, 2019 and January 13, 2022, with date codes between 194871 and 221343. Plant 15 is the only plant impacted and all other plant codes are not affected. A complete list of affected catalog numbers, date code description, and inspection instructions were provided. This recall is based on information supplied by Schneider Electric. Schneider Electric provided a list of Square D PO and Part Numbers that may be affected. Spartan pulled a population by the Schneider Electric part number and PO to determine the affected list. The emergency response vehicles affected by this recall are equipped with Square D QO Plug-On Neutral Load Centers supplied by Schneider Electric. Quantity 4 – Gladiator 2020 trucks affected. Quantity 1 – MetroStar 2020 truck affected. Quantity 2 – Gladiator 2021 trucks affected. Quantity 1 – MetroStar 2021 truck affected. Production Dates : NOV 05, 2020 – SEP 24, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-539 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Defect : Description of the Defect : As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between February 1, 2020 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, posing thermal burn and fire hazards. Refer to Schneider Electric’s recall number 22-159 at cpsc.gov. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The load center can overheat, posing thermal burn and fire hazards. There is a potential risk for property damage and personal injury. Description of the Cause : Loose neutral screw connection within the QO Plug-On Neutral Load Center. Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO112L125PG Component Name 2 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO130L200PG Component Name 3 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO120L125PG Supplier Identification : Component Manufacturer Part 573 Safety Recall Report 22V-539 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Name : Schneider Electric Address : 800 Federal Street Andover Massachusetts 01810 Country : United States Chronology : Refer to Recall 22-159 by the Consumer Product Safety Commission (“CPSC”) for Schneider Electric’s chronology. On July 14, 2022, Spartan Fire received communication from Schneider Electric about CPSC recall 22-159 for their Square D. Reviewed potential population. July 20, 2022 – Escalated the issue to REV Group Management. July 22, 2022 – REV’s senior leadership approved a voluntary recall for this issue. Description of Remedy : Description of Remedy Program : Schneider Electric will notify affected customers and ask them to inspect product to determine if it’s affected by the recall. All purchasers and installers should immediately contact Schneider Electric to arrange to have the affected recalled load centers inspected by trained electricians to determine if replacement or repair is required. Affected OEMs will notify vehicle purchasers. The inspection and any resulting replacement or repair are free of charge by Schneider Electric. This will be covered under the normal warranty process. How Remedy Component Differs from Recalled Component : Existing inventory with date codes prior to January 13, 2022 has been validated and is marked with a green dot to indicate compliance with Schneider Electric design and manufacturing standards. Any product marked with a green dot on the carton is excluded from this notice. Identify How/When Recall Condition was Corrected in Production : This nonconformity has been contained at Schneider Electric manufacturing plants, distribution centers and product adaptation locations. All QO Plug-On Neutral Load Centers produced after January 12, 2022 are conforming to Schneider Electric design and manufacturing standards. Recall Schedule : Description of Recall Schedule : Spartan to begin dealer notifications by week of August 22, 2022 and owner notifications a week later. Planned Dealer Notification Date : AUG 22, 2022 – AUG 26, 2022 Planned Owner Notification Date : AUG 29, 2022 – SEP 02, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-539 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Spartan Fire, LLC Submission Date : AUG 09, 2022 NHTSA Recall No. : 22V-539 Manufacturer Recall No. : 22003 Manufacturer Information : Manufacturer Name : Spartan Fire, LLC Address : 1541 Reynolds Road Charlotte MI 48813 Company phone : 517-588-4700 Population : Number of potentially involved : 25 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2021 Spartan Fire Gladiator and MetroStar Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : All units involve, indoor, outdoor and original equipment manufacturer (OEM) Square D QO Plug-On Neutral Load Centers that were installed on vehicles. The circuit breaker boxes were sold in gray and come in various sizes (square and rectangular). Affected products were manufactured between December 1, 2019 and January 13, 2022, with date codes between 194871 and 221343. Plant 15 is the only plant impacted and all other plant codes are not affected. A complete list of affected catalog numbers, date code description, and inspection instructions were provided. This recall is based on information supplied by Schneider Electric. Schneider Electric provided a list of Square D PO and Part Numbers that may be affected. Spartan pulled a population by the Schneider Electric part number and PO to determine the affected list. The emergency response vehicles affected by this recall are equipped with Square D QO Plug-On Neutral Load Centers supplied by Schneider Electric. Quantity 9 – Gladiator 2020 trucks affected. Quantity 7 – MetroStar 2020 truck affected. Quantity 8 – Gladiator 2021 trucks affected. Quantity 1 – MetroStar 2021 truck affected. Production Dates : MAY 26, 2020 – MAY 02, 2022 VIN Range 1 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 Not sequential Part 573 Safety Recall Report 22V-539 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Defect : Description of the Defect : As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between December 1, 2019 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, posing thermal burn and fire hazards. Refer to Schneider Electric’s recall number 22-159 at cpsc.gov. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The load center can overheat, posing thermal burn and fire hazards. There is a potential risk for property damage and personal injury. Description of the Cause : Loose neutral screw connection within the QO Plug-On Neutral Load Center. Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO112L125PG Component Name 2 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO130L200PG Component Name 3 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO120L125PG Component Name 4 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO112M100P Part 573 Safety Recall Report 22V-539 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 800 Federal Street Andover Massachusetts 01810 Country : United States Chronology : Refer to Recall 22-159 by the Consumer Product Safety Commission (“CPSC”) for Schneider Electric’s chronology. On July 14, 2022, Spartan Fire received communication from Schneider Electric about CPSC recall 22-159 for their Square D. Reviewed potential population. July 20, 2022 – Escalated the issue to REV Group Management. July 22, 2022 – REV’s senior leadership approved a voluntary recall for this issue. July 28 – August 5, 2022 – Spartan Fire confirmed with Schneider Electric of the population and part number expansion listed on their website for their recall. Spartan reviewed and expanded population. Description of Remedy : Description of Remedy Program : Schneider Electric will notify affected customers and ask them to inspect product to determine if it’s affected by the recall. All purchasers and installers should immediately contact Schneider Electric to arrange to have the affected recalled load centers inspected by trained electricians to determine if replacement or repair is required. Affected OEMs will notify vehicle purchasers. The inspection and any resulting replacement or repair are free of charge by Schneider Electric. This will be covered under the normal warranty process. How Remedy Component Differs from Recalled Component : Existing inventory with date codes prior to January 13, 2022 has been validated and is marked with a green dot to indicate compliance with Schneider Electric design and manufacturing standards. Any product marked with a green dot on the carton is excluded from this notice. Identify How/When Recall Condition was Corrected in Production : This nonconformity has been contained at Schneider Electric manufacturing plants, distribution centers and product adaptation locations. All QO Plug-On Neutral Load Centers produced after January 12, 2022 are conforming to Schneider Electric design and manufacturing standards. Recall Schedule : Part 573 Safety Recall Report 22V-539 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : Spartan to begin dealer notifications by week of August 22, 2022 and owner notifications a week later. Planned Dealer Notification Date : AUG 22, 2022 – AUG 26, 2022 Planned Owner Notification Date : AUG 29, 2022 – SEP 02, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-539 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Spartan Fire, LLC Submission Date : AUG 09, 2022 NHTSA Recall No. : 22V-539 Manufacturer Recall No. : 22003 Manufacturer Information : Manufacturer Name : Spartan Fire, LLC Address : 1541 Reynolds Road Charlotte MI 48813 Company phone : 517-588-4700 Population : Number of potentially involved : 25 Estimated percentage with defect : 100 % Vehicle Information : Part 573 Safety Recall Report 22V-539 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 1 : 2020-2021 Spartan Fire Gladiator and MetroStar Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : All units involve, indoor, outdoor and original equipment manufacturer (OEM) Square D QO Plug-On Neutral Load Centers that were installed on vehicles. The circuit breaker boxes were sold in gray and come in various sizes (square and rectangular). Affected products were manufactured between December 1, 2019 and January 13, 2022, with date codes between 194871 and 221343. Plant 15 is the only plant impacted and all other plant codes are not affected. A complete list of affected catalog numbers, date code description, and inspection instructions were provided. This recall is based on information supplied by Schneider Electric. Schneider Electric provided a list of Square D PO and Part Numbers that may be affected. Spartan pulled a population by the Schneider Electric part number and PO to determine the affected list. The emergency response vehicles affected by this recall are equipped with Square D QO Plug-On Neutral Load Centers supplied by Schneider Electric. Quantity 9 – Gladiator 2020 trucks affected. Quantity 7 – MetroStar 2020 truck affected. Quantity 8 – Gladiator 2021 trucks affected. Quantity 1 – MetroStar 2021 truck affected. Production Dates : MAY 26, 2020 – MAY 02, 2022 VIN Range 1 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 2 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 3 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 4 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 5 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 6 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 7 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 8 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 9 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 10 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential VIN Range 11 : Begin : 4S9AEFXB2LS419739 End : 4S9ADFXB1MB559253 ✔ Not sequential Description of Defect : Description of the Defect : As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between December 1, 2019 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, posing thermal burn and fire hazards. Refer to Schneider Electric’s recall number 22-159 at cpsc.gov. Part 573 Safety Recall Report 22V-539 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The load center can overheat, posing thermal burn and fire hazards. There is a potential risk for property damage and personal injury. Description of the Cause : Loose neutral screw connection within the QO Plug-On Neutral Load Center. Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO112L125PG Component Name 2 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO130L200PG Component Name 3 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO120L125PG Component Name 4 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO112M100P Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 800 Federal Street Andover Massachusetts 01810 Part 573 Safety Recall Report 22V-539 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Country : United States Chronology : Refer to Recall 22-159 by the Consumer Product Safety Commission (“CPSC”) for Schneider Electric’s chronology. On July 14, 2022, Spartan Fire received communication from Schneider Electric about CPSC recall 22-159 for their Square D. Reviewed potential population. July 20, 2022 – Escalated the issue to REV Group Management. July 22, 2022 – REV’s senior leadership approved a voluntary recall for this issue. July 28 – August 5, 2022 – Spartan Fire confirmed with Schneider Electric of the population and part number expansion listed on their website for their recall. Spartan reviewed and expanded population. Description of Remedy : Description of Remedy Program : Schneider Electric will notify affected customers and ask them to inspect product to determine if it’s affected by the recall. All purchasers and installers should immediately contact Schneider Electric to arrange to have the affected recalled load centers inspected by trained electricians to determine if replacement or repair is required. Affected OEMs will notify vehicle purchasers. The inspection and any resulting replacement or repair are free of charge by Schneider Electric. This will be covered under the normal warranty process. How Remedy Component Differs from Recalled Component : Existing inventory with date codes prior to January 13, 2022 has been validated and is marked with a green dot to indicate compliance with Schneider Electric design and manufacturing standards. Any product marked with a green dot on the carton is excluded from this notice. Identify How/When Recall Condition was Corrected in Production : This nonconformity has been contained at Schneider Electric manufacturing plants, distribution centers and product adaptation locations. All QO Plug-On Neutral Load Centers produced after January 12, 2022 are conforming to Schneider Electric design and manufacturing standards. Recall Schedule : Description of Recall Schedule : Spartan to begin dealer notifications by week of August 22, 2022 and owner notifications a week later. Planned Dealer Notification Date : AUG 22, 2022 – AUG 26, 2022 Planned Owner Notification Date : AUG 29, 2022 – SEP 02, 2022 * NR – Not Reported

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