24E030 – Excessive Exhaust Gas May Cause Fire – Eberspacher Hydronic L-II Heaters

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Eberspächer Climate Control Systems
International GmbH
Eberspächerstrasse 24
73730 Esslingen/Germany
Phone +49 711 939-00
Fax +49 711 939-0634
www.eberspaecher.com
Registered office: Esslingen a. N., Stuttgart Registry Court, HRB 733098
Managing directors: Martin Peters, Uwe Johnen, Jörg Steins,
Steffen Such, Dominic Waldeier
To:
Vehicle manufacturers, body manufacturers and wholesalers
Important safety information
Eberspächer Hydronic L-II heaters (16-35 KW)
Exceeding legal exhaust gas limits – risk of fire and poisoning
Dear Eberspächer partner,
The name Eberspächer stands for safety and comfort. We want to meet this demand with the quality of our
products.
As part of our continuous product monitoring, we have unfortunately discovered that the burner units of our
Hydronic L-II heaters produced from May 1, 2023 to January 31, 2024 may have excessive exhaust gas values
due to a manufacturing defect.
People in the immediate vicinity of these heaters could suffer smoke poisoning from the exhaust fumes. In
addition, the possibility of a vehicle fire due to increased temperatures cannot be ruled out.
The affected Hydronic L-II heaters (16-35 kilowatts) may no longer be operated with immediate effect.
Please contact your customers (vehicle operators/end customers) and ask them not to use the heaters for
the reasons stated until the heater or the spare part “burner” has been reworked/repaired.
Only heaters and burner units with a production date from May 1, 2023 (calendar week 18/year 2023) to
January 31, 2024 (week 5/year 2024) are affected. Heaters and burner units with a production date from
February 1, 2024 again comply with the legal requirements and can be used without hesitation. The production
date can be found on the type plate.
Figure: Production date indicated by calendar week (week 45) and year (2023) as an example
Eberspächer Climate Control Systems
International GmbH
Eberspächerstrasse 24
73730 Esslingen/Germany
Phone +49 711 939-00
Fax +49 711 939-0634
www.eberspaecher.com
Registered office: Esslingen a. N., Stuttgart Registry Court, HRB 733098
Managing directors: Martin Peters, Uwe Johnen, Jörg Steins,
Steffen Such, Dominic Waldeier
Please take the affected heaters out of operation immediately. The devices may not be put back into operation
until they have been reworked by Eberspächer or by specialist personnel commissioned by Eberspächer. The
costs of the necessary reworking will be borne by Eberspächer.
If you are not the operator of the appliances, please pass this information on immediately to the operators known
to you or to your customers in the interests of safety and help to ensure that the affected appliances are taken
out of service at short notice.
We have enclosed a sample letter for contacting your customers (Annex 1).
For further details on reworking, please contact your local Eberspächer representative. You can find information
on how to contact us at: https://www.eberspaecher-climate.com/location
We ask for your understanding for this measure in the interest of the safety of our customers.
Sincerely,
Eberspächer Climate Control Systems International GmbH

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24E-030
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Eberspaecher Climate Cntrl Syst Intl MAR 27, 2024 NHTSA Recall No. : 24E-030 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Eberspaecher Climate Cntrl Syst Intl Address : Ebersp?cherstra?e 24
73730 Esslingen Esslingen 00 73730
Company phone : 508-901-1013 Population :
Number of potentially involved : 80 Estimated percentage with defect : 100 % Equipment Information : Brand / Trade 1 :
Model : Eberspächer Hydronic L-II Part No. : HL2-16/24/30/35 Size : 600mm x ~250mm x 230mm Function : Heating
Descriptive Information : The equipment recalled is the Eberspächer Hydronic L-II heaters (16-35 KW) produced from May 1, 2023 (week 18/year 2023) to January 31, 2024 (week 5/
year 2024).
i. How remedy component differs from recalled component: Each Eberspächer Hydronic L-II heater contains a type plate with the following details that make the recall population easily distinguishable: version, reference number, serial number, and production date (which indicates the calendar week and year).
ii. Identify How/When Recall Condition was Corrected in Production: All affected units produced from May 1, 2023 (week 18/year 2023) to January 31, 2024 (week 5/year 2024) will be recalibrated as needed. For all productions after January 31, 2024 (week 5/year 2024), the company has implemented a new process that remedies the issue. Production Dates : MAY 01, 2023 – JAN 31, 2024
Description of Defect :
Description of the Defect : The burner units of Eberspächer Hydronic L-II heaters (16-35 KW) produced from May 1, 2023 (week 18/year 2023) to January 31, 2024 (week 5/year 2024) may have excessive exhaust gas values due to a factory calibration error.
FMVSS 1 : NR
FMVSS 2 : NR Part 573 Safety Recall Report 24E-030 Page 2 Description of the Safety Risk : People in the immediate vicinity of these heaters could suffer smoke
inhalation due to the exhaust fumes. Furthermore, the possibility of a vehicle fire due to increased temperatures cannot be ruled out.
Description of the Cause : NR Identification of Any Warning NR
that can Occur : Involved Components : Component Name : NR Component Description : NR Component Part Number : NR Supplier Identification : Component Manufacturer
Name : NR Address : NR
NR
Country : NR Chronology :
NR Description of Remedy :
Description of Remedy Program : NR How Remedy Component Differs NR from Recalled Component :
Identify How/When Recall Condition NR was Corrected in Production : Recall Schedule : The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24E-030
Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Recall Schedule : NR
Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR
Purchaser Information :
The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment:
Name : NR Address : NR
NR Country : NR Company Phone : NR
* NR – Not Reported

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NEF-107KL
24E-030
SUPPLEMENTAL PART 573 REPORT
Eberspächer Climate Control Systems International GmbH
April 11, 2024
I. Involved Components
A. Component Part number: HL2-16/24/30/35
B. Component Name: Hydronic L-II Heater
C. Component Description: Diesel fueled hydronic heater
II. Chronology
A. On January 30, 2024, a potential component defect was identified that was not initially known to be safety-related. Eberspaecher Climate Control Systems International GmbH (Eberspaecher) conducted a risk assessment of the component between February 8, 2024 and February 29, 2024. During this period, Eberspaecher also initiated a sales stop on February 9, 2024 and rework of the component in their sales network on February 16, 2024 to address the defect. Starting March 6, 2024, Eberspaecher began informing its subsidiaries, general agents, and customers of the defect. Beginning March 11, 2024, Eberspaecher started to set up meetings with key customers for the US and Canadian market to define a rework strategy. Eberspaecher also consulted with US counsel in March 2024. On March 21, 2024 it was determined that NHTSA should be notified of the safety-related defect. Subsequently, Eberspaecher submitted its Part 573 notification on March 27, 2024. There have been no reports of accidents or injuries related to this condition in all markets.
III. Manufacturer’s program for remedying the defect or noncompliance
A. Description of Remedy Program: beginning in March 2024, Eberspaecher contacted its customers and partners to advise them to take the affected components out of operation immediately. During the recall program, the components will be reworked by Eberspaecher or by specialist personnel commissioned by Eberspaecher. The costs of the necessary reworking will be borne by Eberspaecher.
B. How Remedy Component Differs from Recalled Component: The remedied product will be properly calibrated to avoid potential excessive exhaust gas values.
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C. Identify How/When Recall Condition was Corrected in Production: Starting February 1, 2024, the component was corrected in production by properly calibrating the component.
IV. Reimbursement
A. Eberspaecher will reimburse customers/owners/purchasers/dealers/technicians (approved by Eberspaecher) who incurred the cost of repairing the component at issue starting May 1, 2023. Eberspaecher requires documentation of the rework, including serial number(s), for reimbursement.
B. Rework instructions are available for customers/owners/purchasers/dealers/technicians (approved by Eberspaecher). The rework instructions contain two Eberspaecher contact e-mail addresses and a form where necessary information about the rework can be detailed. Heaters that have already been used will be reimbursed with 1.5 hours of rework time. Heaters not in use will be reimbursed with 0.5 hours of rework time. The reimbursement includes all original Eberspaecher parts which are necessary for the rework. The production plant shall directly receive the invoice – it shall not be handled via the Partner Portal partner.eberspaecher.com. Reimbursement invoices must include the title “HL-II CO2 adjustment rework”.
V. Estimated date(s) for notification of dealers and/or distributors regarding this safety recall
A. March 11, 2024
VI. Estimated date(s) for notification of owners regarding this safety recall
A. May 27, 2024, at the latest.
VII. Manufacturer Purchaser Information
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Customer name
Contact person
Location
Phone number
Email address
RIXEN’S ENTERPRISES, INC
Andrew Smith
37600 C, RUBEN LANE, SANDY, OR, USA, 97055
503 668 6090
[email protected]
ILLINOIS AUTO CENTRAL
Steve Rolenc
8646, Joliet Road, McCook, IL, USA, 60525
708-627-1728
[email protected]
D&D Transport Refrigeration
Trent A. Hartl
6428 South Frontage Rd, Billings, MT, USA, 59101
P: (406) 656-6290 | F: (406) 656-9943
[email protected]
BUTLER MACHINERY CORPORATION
Jeremy Oistad
3402 36TH ST. SW, FARGO, ND, USA , 58104
701-298-2161 , 701-441-1173
[email protected]
3630 MIRIAM AVE, BISMARCK, ND, USA, 58501

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