Overloaded Electrical System May Cause Fire

Affected vehicles (7)

Component / system

Defect

E-One Incorporated (E-One) is recalling certain 2021-2023 ARFF, Cyclone N, 2020-2024 Commercial, 2020, 2022-2023 Cyclone 2, 2023 Cyclone E, 2022 Typhoon, and 2020-2023 Typhoon N vehicles. In the event of a short circuit or wiring failure, the firmware in the vehicle multiplex system may fail to shut off the output pin, resulting in overloaded electrical circuits.

Risk / consequence

Overloaded electrical circuits can overheat, increasing the risk of fire.

Remedy

The equipment manufacturer, Weldon, will update the firmware, free of charge. Owner notification letters were mailed January 24, 2024. Owners may contact E-One customer service at 1-352-237-1122.

Chronology of events

1. Nov 15, 2023

   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.

2. Nov 16, 2023

   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.

3. Nov 27, 2023

   November 27, 2023 – E-ONE Electrical Engineering began performing tests to see if this could occur in our Electrical design. No conclusion.

4. Nov 30, 2023

   November 30, 2023 – E-ONE began trying to determine the final population but ran into technical problems with the software.

5. Jan 5, 2024

   January 5, 2024 – Final population determined.

6. Jan 6, 2024

   January 6, 2024 – Submitted DIR to REV Group Management for approval.

7. Jan 8, 2024

   January 8, 2024 – Received approval from REV Group to file Recall.

Notification schedule

Dealer notification

JAN 12, 2024 - JAN 24, 2024

Owner notification

JAN 24, 2024 - FEB 02, 2024