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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

BGIALM

Power Mate read/write alarm signal

Fanuc · i Series CNC Hardware

What does BGIALM mean?

This signal indicates an issue with data reading or writing operations within the Fanuc Power Mate system integrated with the Fanuc i Series CNC. Such issues can lead to data corruption, incorrect operation, or failure to store critical data.

Common Causes

  • Memory corruption or hardware malfunction within the Fanuc Power Mate unit.
  • Incorrect parameter settings or software configuration related to data storage or access.
  • Intermittent or unstable power supply to the Power Mate module.
  • Communication errors or cable issues between the Power Mate and the main CNC unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the stability and correct voltage levels of the power supply to the Power Mate unit.

  2. 2

    Check all communication cables and connections between the Power Mate and the Fanuc i Series CNC for looseness, damage, or interference.

  3. 3

    Backup any existing Power Mate parameters (if possible) and attempt to reinitialize or restore relevant memory areas according to the Fanuc maintenance procedure.

  4. 4

    Review Power Mate related parameters and settings for any discrepancies or incorrect values as per the machine builder's documentation.

  5. 5

    Perform detailed diagnostic checks on the Power Mate unit as guided by the specific Fanuc Power Mate maintenance manual to identify internal hardware issues.

Browse all codes in this manual (6)
Verified technical data. Last updated: April 2026

Related Faults

ABTQSVServo axis abnormal load detected signalABTSP1First spindle abnormal load detected signalABTSP2Second spindle abnormal load detected signal
Source: Fanuc i Series CNC Hardware
Open Manual (Page 601)Search more codes in this manual