Drive Motor B Inverter Phase W Over Temperature

Common symptoms

What you'll notice

• Check and clean the cooling system for the motor inverter.
• Inspect and replace any damaged or faulty wiring in the motor inverter phase.
• Verify and replace any worn or malfunctioning temperature sensors in the motor inverter.
• Consider replacing the motor inverter if all other solutions have been attempted and the issue persists.

Common causes

Most likely first

1. Insufficient cooling of the drive motor B inverter phase W
2. Malfunctioning cooling system for the drive motor B inverter phase W
3. Overworking or excessive load on the drive motor B inverter phase W
4. Faulty or damaged drive motor B inverter phase W
5. Electrical or wiring issues related to the drive motor B inverter phase W

How to diagnose & fix

Work through it in order

1. Overheating of the motor or inverter
2. Increased resistance or difficulty in accelerating
3. Inconsistent or fluctuating power output
4. Unusual noise or vibrations coming from the motor or inverter
5. Sudden loss of power