8415

Category: Alarm

Cause

1. Abnormal 24V control power supply
2. Incorrect 24V control power wiring, such as poor connections
3. Excessive 24V control power load
4. Abnormal internal drive circuitry

Corrective action

1. Check the 24V control power wiring and ensure secure connections
2. Check the 24V control power load and ensure the 24V control power supply capacity meets load consumption under all operating conditions
3. Replace the 24V control power supply
4. Replace the drive