Overloaded Electrical System May Cause Fire – 2021-2023 E-One ARFF, Cyclone N, 2020-2024 Commercial, 2020, 2022-2023 Cyclone 2, 2023 Cyclone E, 2022 Typhoon, & 2020-2023 Typhoon N

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-006
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
E-One Incorporated JAN 09, 2024 NHTSA Recall No. : 24V-006 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : E-One Incorporated Address : 1601 S.W. 37TH AVENUE
Ocala FL 34474
Company phone : (904) 237-1122
Population :
Number of potentially involved : 408 Estimated percentage with defect : 100 %
Vehicle Information : Part 573 Safety Recall Report 24V-006 Page 2 Vehicle 1 : 2020-2024 E-ONE ARFF, COMMERCIAL, CYCLONE 2, CYCLONE N, CYCLONE E, TYPHOON, TYPHOON N
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : The recall population was determined based on product specifications associated with a specific firmware version. Recalled products have a different firmware version than those not included in the recall. Firmware version is recorded on a decal on each unit. This recall is based on information supplied by Weldon. Weldon provided a part number and date range of product affected. E-ONE pulled a population by the part number and date range of product issued to determine the affected list. The vehicles affected by this recall are equipped with certain 8 x 16 Input-Output nodes supplied by Weldon. QTY: 6 – 2020 Commercial vehicles are affected QTY: 1 – 2020 Cyclone 2 vehicles are affected QTY: 1 – 2020 Typhoon N vehicles are affected QTY: 3 – 2021 ARFF vehicles are affected
QTY: 34 – 2021 Commercial vehicles are affected QTY: 1 – 2021 Cyclone N vehicles are affected QTY: 8 – 2021 Typhoon N vehicles are affected QTY: 4 – 2022 ARFF vehicles are affected
QTY: 45 – 2022 Commercial vehicles are affected QTY: 11 – 2022 Cyclone 2 vehicles are affected QTY: 32 – 2022 Cyclone N vehicles are affected QTY: 1 – 2022 Typhoon vehicles are affected QTY: 94 – 2022 Typhoon N vehicles are affected QTY: 1 – 2023 ARFF vehicles are affected
QTY: 36 – 2023 Commercial vehicles are affected QTY: 2 – 2023 Cyclone 2 vehicles are affected QTY: 22 – 2023 Cyclone N vehicles are affected QTY: 1 – 2023 Cyclone E vehicles are affected QTY: 46 – 2023 Typhoon N vehicles are affected QTY: 49 – 2024 Commercial vehicles are affected Production Dates : APR 16, 2020 – DEC 06, 2023
VIN Range 1 : Begin : 1FVACYFE2MHMK9004 End : 4S9DU2D93RC560655 ✔ Not sequential Description of Defect :
Description of the Defect : The electrical current sensing calibration was not produced to specification so that the firmware would not shut off the output pin under a short circuit caused by external load or wiring failure. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-006 Page 3 FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : In the event of a short circuit or wiring failure, if the electrical circuit(s)
become overloaded, depending on how the input-output node(s) is wired into the vehicle including whether it is located near a flammable fuel source, there is an increased risk of heat related damage or fire.
Description of the Cause : TBD Identification of Any Warning
that can Occur : None Involved Components : Component Name 1 : 8 x 16 Input Output Node Component Description : Multiplex Input Output Node Component Part Number : 6030-2000-00 Supplier Identification : Component Manufacturer
Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive
Columbus Ohio 43228
Country : United States Chronology :
Refer to NHTSA Recall 23E-084 for Weldon’s chronology.
In early October 2023, Weldon was notified that external wiring in a vehicle using the node had melted. The part was returned to Weldon for analysis in mid-October where it was found that when an external short circuit occurred, the electrical output did not shut down as specified. Weldon conducted testing and analysis of the version of the node used in the vehicle as well as prior versions of the node and it was found that for the version of the node installed in the vehicle, the electrical current sensing calibration was outside the specified limits. Weldon found that the calibration was previously updated in production, but was not considered to pose a broader concern at the time. On October 24, 2023, Weldon decided to conduct a safety recall to address the issue. November 15, 2023 – E-ONE received information from Weldon regarding recall number 23E-084. Inventory was inspected as well as vehicles in Production and none were found. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-006 Page 4 November 16, 2023 – Technical Support was contacted to discover if there were any issues on the vehicles in the field. No issues had been reported.
November 27, 2023 – E-ONE Electrical Engineering began performing tests to see if this could occur in our Electrical design. No conclusion.
November 30, 2023 – E-ONE began trying to determine the final population but ran into technical problems with the software.
January 5, 2024 – Final population determined.
January 6, 2024 – Submitted DIR to REV Group Management for approval. January 8, 2024 – Received approval from REV Group to file Recall. Description of Remedy :
Description of Remedy Program : Weldon will notify affected customers and update the firmware in the
Multiplex Input/Output Node as installed in affected vehicles that are within the identified version range. There is no charge to the Dealer or the Owner for this Recall. If you have already paid to have your E-ONE vehicle repaired for this condition, you may be eligible for reimbursement of the charges you paid for the repair or replacement of components. To learn more about what you need to do to obtain reimbursement call E-ONE Customer Service at 1-352-237-1122 and instructions will be provided. Please have your truck’s VIN available. If after having attempted to take advantage of this recall you believe you have not been able to have your E-ONE vehicle remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1- 888-327-4236 (TTY: 1-800-424-9153); or go to http:// www.safercar.gov. How Remedy Component Differs from Recalled Component : Firmware version number on the device determines the range of devices that shall be recalled. Version 1.00 – 1.02 to be recalled.
Component Name : 8 x 16 Input Output Node Component Description : Multiplex Input Output Node Component Part Number : 6030-2000-00 Identify How/When Recall Condition was Corrected in Production : Inventory was inspected as well as vehicles in Production using the Serial Numbers provided by Weldon and none were found. Recall Schedule :
Description of Recall Schedule : 1) Email dealers a copy of the recall approximately 1 week before
customers.
The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-006
Page 5
The information contained in this report was submitted pursuant to 49 CFR §573
2) Mail customers the recall Planned Dealer Notification Date : JAN 12, 2024 – JAN 24, 2024
Planned Owner Notification Date : JAN 24, 2024 – FEB 02, 2024
* NR – Not Reported

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-006
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
E-One Incorporated JAN 08, 2024 NHTSA Recall No. : 24V-006 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : E-One Incorporated Address : 1601 S.W. 37TH AVENUE
Ocala FL 34474
Company phone : (904) 237-1122
Population :
Number of potentially involved : 408 Estimated percentage with defect : 100 %
Vehicle Information : Part 573 Safety Recall Report 24V-006 Page 2 Vehicle 1 : 2020-2024 E-ONE ARFF, COMMERCIAL, CYCLONE 2, CYCLONE N, CYCLONE E, TYPHOON, TYPHOON N
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : The recall population was determined based on product specifications associated with a specific firmware version. Recalled products have a different firmware version than those not included in the recall. Firmware version is recorded on a decal on each unit. This recall is based on information supplied by Weldon. Weldon provided a part number and date range of product affected. E-ONE pulled a population by the part number and date range of product issued to determine the affected list. The vehicles affected by this recall are equipped with certain 8 x 16 Input-Output nodes supplied by Weldon. QTY: 6 – 2020 Commercial vehicles are affected QTY: 1 – 2020 Cyclone 2 vehicles are affected QTY: 1 – 2020 Typhoon N vehicles are affected QTY: 3 – 2021 ARFF vehicles are affected
QTY: 34 – 2021 Commercial vehicles are affected QTY: 1 – 2021 Cyclone N vehicles are affected QTY: 8 – 2021 Typhoon N vehicles are affected QTY: 4 – 2022 ARFF vehicles are affected
QTY: 45 – 2022 Commercial vehicles are affected QTY: 11 – 2022 Cyclone 2 vehicles are affected QTY: 32 – 2022 Cyclone N vehicles are affected QTY: 1 – 2022 Typhoon vehicles are affected QTY: 94 – 2022 Typhoon N vehicles are affected QTY: 1 – 2023 ARFF vehicles are affected
QTY: 36 – 2023 Commercial vehicles are affected QTY: 2 – 2023 Cyclone 2 vehicles are affected QTY: 22 – 2023 Cyclone N vehicles are affected QTY: 1 – 2023 Cyclone E vehicles are affected QTY: 46 – 2023 Typhoon N vehicles are affected QTY: 49 – 2023 Commercial vehicles are affected Production Dates : APR 16, 2020 – DEC 06, 2023
VIN Range 1 : Begin : 1FVACYFE2MHMK9004 End : 4S9DU2D93RC560655 ✔ Not sequential Description of Defect :
Description of the Defect : The electrical current sensing calibration was not produced to specification so that the firmware would not shut off the output pin under a short circuit caused by external load or wiring failure. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-006 Page 3 FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : In the event of a short circuit or wiring failure, if the electrical circuit(s)
become overloaded, depending on how the input-output node(s) is wired into the vehicle including whether it is located near a flammable fuel source, there is an increased risk of heat related damage or fire.
Description of the Cause : TBD Identification of Any Warning
that can Occur : None Involved Components : Component Name 1 : 8 x 16 Input Output Node Component Description : Multiplex Input Output Node Component Part Number : 6030-2000-00 Supplier Identification : Component Manufacturer
Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive
Columbus Ohio 43228
Country : United States Chronology :
Refer to NHTSA Recall 23E-084 for Weldon’s chronology.
In early October 2023, Weldon was notified that external wiring in a vehicle using the node had melted. The part was returned to Weldon for analysis in mid-October where it was found that when an external short circuit occurred, the electrical output did not shut down as specified. Weldon conducted testing and analysis of the version of the node used in the vehicle as well as prior versions of the node and it was found that for the version of the node installed in the vehicle, the electrical current sensing calibration was outside the specified limits. Weldon found that the calibration was previously updated in production, but was not considered to pose a broader concern at the time. On October 24, 2023, Weldon decided to conduct a safety recall to address the issue. November 15, 2023 – E-ONE received information from Weldon regarding recall number 23E-084. Inventory was inspected as well as vehicles in Production and none were found. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-006 Page 4 November 16, 2023 – Technical Support was contacted to discover if there were any issues on the vehicles in the field. No issues had been reported.
November 27, 2023 – E-ONE Electrical Engineering began performing tests to see if this could occur in our Electrical design. No conclusion.
November 30, 2023 – E-ONE began trying to determine the final population but ran into technical problems with the software.
January 5, 2024 – Final population determined.
January 6, 2024 – Submitted DIR to REV Group Management for approval. January 8, 2024 – Received approval from REV Group to file Recall. Description of Remedy :
Description of Remedy Program : Weldon will notify affected customers and update the firmware in the
Multiplex Input/Output Node as installed in affected vehicles that are within the identified version range. There is no charge to the Dealer or the Owner for this Recall. If you have already paid to have your E-ONE vehicle repaired for this condition, you may be eligible for reimbursement of the charges you paid for the repair or replacement of components. To learn more about what you need to do to obtain reimbursement call E-ONE Customer Service at 1-352-237-1122 and instructions will be provided. Please have your truck’s VIN available. If after having attempted to take advantage of this recall you believe you have not been able to have your E-ONE vehicle remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1- 888-327-4236 (TTY: 1-800-424-9153); or go to http:// www.safercar.gov. How Remedy Component Differs from Recalled Component : Firmware version number on the device determines the range of devices that shall be recalled. Version 1.00 – 1.02 to be recalled.
Component Name : 8 x 16 Input Output Node Component Description : Multiplex Input Output Node Component Part Number : 6030-2000-00 Identify How/When Recall Condition was Corrected in Production : Inventory was inspected as well as vehicles in Production using the Serial Numbers provided by Weldon and none were found. Recall Schedule :
Description of Recall Schedule : 1) Email dealers a copy of the recall approximately 1 week before
customers.
The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-006
Page 5
The information contained in this report was submitted pursuant to 49 CFR §573
2) Mail customers the recall Planned Dealer Notification Date : JAN 12, 2024 – JAN 24, 2024
Planned Owner Notification Date : JAN 24, 2024 – FEB 02, 2024
* NR – Not Reported

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IMPORTANT SAFETY RECALL
This notice applies to your vehicle VIN: X
UNIT: 1xxxxx
NHTSA Recall No. 24V-006
January 24, 2024
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
E-ONE has decided that a defect, which relates to motor vehicle safety, exists in certain models of the following emergency vehicles:
2021-2023 E-ONE ARFF, 2020-2024 E-ONE Commercial, 2020 & 2022-2023 Cyclone 2, 2021-2023 E-ONE Cyclone N, 2023 E-ONE Cyclone E, 2022 E-ONE Typhoon, 2020-2023 E-ONE Typhoon N
WHY DOES MY VEHICLE NEED REPAIRS?
The Multiplex Input/Output Node may not protect the electrical circuits from an overload which increases the risk of heat related damage or fire. No warnings will precede this event.
In the event of a short circuit or wiring failure, if the electrical circuit(s) become overloaded, there is an increased risk of heat related damage or fire.
The affected item is the Weldon Multiplex Input/Output Node
WHAT WILL YOUR DEALER DO?
Your Dealer will contact Weldon or Weldon will contact you directly to arrange the reprogramming of the Multiplex Input/Output Node, free of charge. The repair is estimated to take approximately 5 minutes per Node to complete. Note some vehicles may have more than one Node. However, due to scheduling, your dealer may require your vehicle for longer. Your dealer should be able to provide a more accurate repair estimate.
Weldon will notify affected customers and update the firmware in the Multiplex Input/Output Node as installed in affected vehicles that are within the identified version range. There is no charge to the Dealer or the Owner for this Recall.
WHAT SHOULD YOU DO?
If you receive this notification, please contact your E-ONE Dealer or E-ONE at 1-352-237-1122 to schedule an appointment to have the repairs performed.
Please contact your local authorized dealer and schedule an appointment for your free repair as soon as possible. To find your nearest dealer, visit https://www.e-one.com.
INCLUDED WITH THIS LETTER IS AN OWNER RESPONSE CARD THAT MUST BE FILLED OUT AND RETURNED TO E-ONE IN ORDER TO BE REIMBURSED. Please have your Truck VIN available. After your repair has been completed, please fill in the appropriate information on the enclosed Owner Response Postcard, sign it, and mail it to:
E-ONE, 1601 SW 37th Ave, Ocala, FL, 34474.
If you prefer to contact E-ONE directly, feel free to contact our Customer Service at 1-352-237-1122. Please have your Truck VIN available.
WHAT IF YOU NO LONGER OWN THIS: 2021-2023 E-ONE ARFF, 2020-2024 E-ONE Commercial, 2020 & 2022-2023 Cyclone 2, 2021-2023 E-ONE Cyclone N, 2023 E-ONE Cyclone E, 2022 E-ONE Typhoon, 2020-2023 E-ONE Typhoon N?
If you no longer the current owner of the vehicle, please indicate this on the Owner Response Postcard and return the card to E-ONE, 1601 SW 37th Ave, Ocala, FL, 34474.
WHO SHOULD YOU CONTACT IF YOU HAVE FURTHER QUESTIONS OR CONCERNS?
If you have any questions or concerns about this Recall, please contact E-ONE Customer Service at 1-352-237-1122. Please have your Truck VIN available.
If your dealer fails or is unable to remedy this defect without charge, or within a reasonable amount of time, you may submit a written complaint to:
Administrator
National Highway Traffic Safety Administration
1200 New Jersey AVE SE
Washington, DC 20590
You may also call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov.
WHAT IF YOU ARE A LESSOR?
Federal law requires that you forward a copy of this Safety Recall Notice to the lessee within 10 days.
WHAT IF YOU HAVE ALREADY PAID FOR THIS REPAIR?
If you have already paid to have your 2021-2023 E-ONE ARFF, 2020-2024 E-ONE Commercial, 2020 & 2022-2023 Cyclone 2, 2021-2023 E-ONE Cyclone N, 2023 E-ONE Cyclone E, 2022 E-ONE Typhoon, 2020-2023 E-ONE Typhoon N repaired for this condition, you may be eligible for reimbursement of the charges you paid for the repair or replacement of components. To learn more about what you need to do to obtain reimbursement call E-ONE Customer Service at 1-352-237-1122 and instructions will be provided. Please have your Truck VIN available.
If after having attempted to take advantage of this recall you believe you have not been able to have your 2021-2023 E-ONE ARFF, 2020-2024 E-ONE Commercial, 2020 & 2022-2023 Cyclone 2, 2021-2023 E-ONE Cyclone N, 2023 E-ONE Cyclone E, 2022 E-ONE Typhoon, 2020-2023 E-ONE Typhoon N remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1- 888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov.
WHAT IF YOU NO LONGER OWN THE VEHICLE?
If you no longer own the vehicle, complete the attached Owner Response Postcard and mail it to the following address or contact Customer Service at 1-352-237-1122:
E-ONE, Inc
1601 SE 37th Avenue
Ocala, FL 34474
We apologize for any inconvenience this Safety Recall may cause, your safety is our first concern.
Sincerely,
E-ONE, Inc.
E-ONE NOTIFICATION PROGRAM 24V-006
Owner Response Postcard
VIN: X
UNIT: 1xxxxx

This vehicle was inspected and repaired according to instructions.

This vehicle was inspected and determined to not need repair.

This vehicle was sold to: ____________________________________ (Name)
____________________________________ (Address)
____________________________________ (City, State/ZIP)

This vehicle was stolen.

This vehicle was destroyed.
__________________________________________
Owner’s (or Former Owner’s) Signature
__________________________________________
Date Signed
Insert Customer Name
Insert Customer Address
Insert City, ST Zip

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