The VMUX input pin may fail due to a flyback voltage spike from an unsuppressed solenoid coil installed on...
Rosenbauer technical service bulletin TSB-042121 for 2019-2021 Rosenbauer Aerial.
- Bulletin number
- TSB-042121
- Component
- Engine and engine cooling
- Summary
- The VMUX input pin may fail due to a flyback voltage spike from an unsuppressed solenoid coil installed on a hydraulic manifold for the aerial. The solenoid coil will need to be swapped out for a suppressed version to prevent this from happening.
Vehicles covered
- Rosenbauer Aerial 2019-2021 201920202021
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