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ErrorLib — Industrial Fault Code Library

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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. 1

    Check the 24-VDC control supply voltage

  2. 2

    If the voltage is low, increase the voltage to an appropriate level

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

000Power-Down Required Parameter011Zero Feedrate Specified013Maximum Feedrate Zero
Source: Fanuc Alpha i series AC Servo Motor
Open Manual (Page 231)Search more codes in this manual