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ErrorLib — Industrial Fault Code Library

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CONTROL_CIRCUIT_ERROR

Control Circuit Error

Fanuc · Alpha i series AC Servo Motor

What does CONTROL_CIRCUIT_ERROR mean?

An error was detected in the control circuit. This is a general indication of a hardware or internal logic fault within the servo amplifier, potentially leading to a complete loss of control.

Common Causes

  • Internal hardware or logic fault within the servo amplifier control circuit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn the power off, then back on

  2. 2

    If this alarm recurs, replace the servo amplifier module

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 232)Search more codes in this manual