Rectifier over temperature error

Description

The temperature of the rectifier unit at drive unit position arg is too high.

Consequences

No operation is possible until the fault is corrected. The system will go to "Motor Off" state.

Possible causes

1. The rectifier failed to cool down.
2. Rectifier overloaded.

Recommended actions

1. Check cooling fans and ducts.
2. The surrounding temperature is too high.
3. Check the DC bus usage.
4. If the problem persists, replace the unit.