H
Resistor Module Abnormal Discharge (2) (ECM)
Fanuc · αi Series AC Servo Motor and Spindle
What does H mean?
The Capacitor Modules are not discharging due to a malfunction of the discharge circuit. This points to a failure within the Resistor Module's components or control.
Repair Steps
- 1
Inspect the Resistor Module for internal component failure or signs of overheating.
- 2
Verify the functionality of the discharge circuit's control logic.
- 3
Check resistance values of the Resistor Module components, if accessible.
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series AC Servo Motor and Spindle