October 16, 2020 NHTSA CAMPAIGN NUMBER: 20E078000
Lighting and HVAC Display May Lock Up
If the LCD display becomes locked up or non-functional it can delay emergency efforts, which can increase the risk of injury.
NHTSA Campaign Number: 20E078
Manufacturer Weldon Division of Akron Brass
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 990
Summary
Akron Brass Company (Akron Brass) Weldon Division is recalling certain Weldon V-Mux Vista IV Standard LCD displays used for controlling emergency vehicle lighting and HVAC functions. These displays may experience low voltage spikes, and cause the LCD display to lock up or become nonfunctional, due to varying electrical installations.
Remedy
Akron Brass will notify owners, and dealers will repair or replace the IV Standard LCD displays, free of charge. The recall began October 28, 2020. Owners may contact Akron Brass customer service at 1-800-228-1161. Akron Brass’s number for this recall is 20-10.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
| TECHNICAL SERVICE BULLETIN 20-10 E | |
| V‐MUX Vista IV Interface |
October 28, 2020
IMPORTANT SAFETY RECALL INFORMATION
NHTSA RECALL 20‐E078
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Weldon, a division of Akron Brass has decided a safety related defect may exist with some Vista IV user interface panels. A list of units that shipped to you and are potentially affected is attached. This notice covers both touch and non‐touch versions of the Vista.
Power and ground are critical to proper operation of electronics including the
Vista IV display. The Vista IV display has an operating voltage of 9‐32 VDC. When the supply voltage at the display drops, even for a moment, such as when starting the engine, the V‐MUX® Vista IV Interface typically turns off and quickly and automatically restarts. However, units on the attached list may not restart on their own if the voltage dips out of range (less than 9 volts).
These units are different because a component part became obsolete. This may lead to a blank display and sometimes loss of button function when the LCD display or the CPU do not restart properly, which can increase the risk of injury The installer supplied wiring and loads engaged when starting the vehicle, may have an impact on whether the issue presents itself in any one vehicle installation so you may not have experienced this issue, so even if the issue has not occurred the Vista IV should be replaced.
Weldon will be remedying affected units on this list free of charge, but in the meantime, cycling the power will reset the unit and allows normal operation. This can be accomplished with a power reset button, if one is installed, or by restarting the vehicle to allow an existing display to operate.
Unit serial numbers on the attached list are Vista IV displays that our records show were shipped to you and that are part of the recall.
Weldon will provide updated replacement Vista IV units that are less sensitive to voltage drop, and 1 hour of warranty labor to install the replacement display units.
Please contact Brett Carlson, [email protected] or your Weldon representative to arrange the remedy.
If you believe there is a failure to remedy this defect without charge to the end user/owner of the vehicle and within a reasonable period of time, you may submit a written complaint to the Administrator, NHTSA, 1200 New Jersey Ave, SE, Washington, DC 20590, or call the Vehicle Safety Hotline 1‐888‐327‐4336 (TTY: 1‐800‐424‐9153) or go to https://www.safercar.gov.
Thanks for your prompt attention to this matter and continued support.
Customer Care PH. 800.228.1161
| TECHNICAL SERVICE BULLETIN 20-10 | |
| V‐MUX Vista IV Interface |
October 28, 2020
IMPORTANT SAFETY RECALL INFORMATION
NHTSA RECALL 20‐E078
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Weldon, a division of Akron Brass has decided a safety related defect may exist with some Vista IV user interface panels. A list of units that shipped to you and are potentially affected is attached. This notice covers both touch and non‐touch versions of the Vista.
Power and ground are critical to proper operation of electronics including the
Vista IV display. The Vista IV display has an operating voltage of 9‐32 VDC. When the supply voltage at the display drops, even for a moment, such as when starting the engine, the V‐MUX® Vista IV Interface typically turns off and quickly and automatically restarts. However, units in the attached list may not restart on their own if the voltage dips out of range (less than 9 volts) which can increase the risk of injury. These units are different because a component part became obsolete. This may lead to a blank display and sometimes loss of button function when the LCD display or the CPU do not restart properly. The installer supplied wiring and loads engaged when starting the vehicle, may have an impact on whether the issue presents itself in any one vehicle installation.
Weldon will be remedying affected units on this list free of charge, but in the meantime, cycling the power will reset the unit and allows normal operation. This can be accomplished with a power reset button, if so equipped, or by restarting the vehicle to allow an existing display to operate.
Unit serial numbers on the attached list are Vista IV displays that our records show were shipped to you and that are part of the recall.
Weldon will provide updated replacement Vista IV units that are less sensitive to voltage drop, and 1 hour of warranty labor to install the replacement display units.
Please contact Brett Carlson, [email protected] or your Weldon representative to arrange the remedy.
Please note that it is a violation of Federal Law to deliver a vehicle which is subject to a recall without the remedy installed.
If you believe there is a failure to remedy this defect without charge to the end user/owner of the vehicle and within a reasonable period of time, you may submit a written complaint to the Administrator, NHTSA, 1200 New Jersey Ave, SE, Washington, DC 20590, or call the Vehicle Safety Hotline 1‐888‐327‐4336 (TTY: 1‐800‐424‐9153) or go to https://www.safercar.gov.
Thanks for your prompt attention to this matter and continued support of Weldon.
Customer Care PH. 800.228.1161
1 Affected Product
Equipment
| BRAND | PART NO. | PRODUCTION DATES |
| WELDON | VISTA IV STANDARD | |
14 Associated Documents
Defect Notice 573 Report
RCLRPT-20E078-5993.PDF 215.033KB
Recall Quarterly Report #3, 2021-2
RCLQRT-20E078-4472.PDF 211.319KB
Recall Acknowledgement
RCAK-20E078-1835.pdf 304.601KB
Recall Quarterly Report #2, 2021-1
RCLQRT-20E078-4266.PDF 211.319KB
Recall 573 Report – Amendment 1
RCLRPT-20E078-8294.PDF 215.058KB
ISSUED Owner Notification Letter(Part 577)
RCONL-20E078-0895.pdf 115.127KB
Manufacturer Notices(to Dealers,etc)
RCMN-20E078-6596.pdf 115.221KB
Recall 573 Report – Amendment 2
RCLRPT-20E078-3592.PDF 215.066KB
Recall 573 Report – Amendment 5
RCLRPT-20E078-6556.PDF 215.51KB
Recall 573 Report – Amendment 4
RCLRPT-20E078-3534.PDF 215.511KB
Recall 573 Report – Amendment 3
RCLRPT-20E078-8034.PDF 215.511KB
Recall Quarterly Report #1, 2020-4
RCLQRT-20E078-7104.PDF 211.147KB
Recall Quarterly Report #5, 2021-4
RCLQRT-20E078-0075.PDF 211.537KB
Recall Quarterly Report #4, 2021-3
RCLQRT-20E078-8260.PDF 211.537KB
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