CONTROL_SUPPLY_LOW_24VDC
24VDC Control Supply Low Voltage
Fanuc · Alpha i series AC Servo Motor
What does CONTROL_SUPPLY_LOW_24VDC mean?
A low voltage condition was detected on the 24-VDC control supply. Insufficient control voltage can lead to unpredictable behavior or complete system shutdown, affecting connected control components.
Common Causes
- The 24-VDC control supply voltage is too low
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the 24-VDC control supply voltage
- 2
If the voltage is low, increase the voltage to an appropriate level
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc Alpha i series AC Servo Motor