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FANUC Alarm SRVO-374 — MODE11 status abnormal

FANUC SRVO-374 (“MODE11 status abnormal”): A chain alarm was detected with the mode switch signal. First check: 1. Check the mode switch and its cable. Likely part: Panel board (Operator panel board).

Updated 2026-09-17 · LogrobotLM reference

Description

A chain alarm was detected with the mode switch signal.

Remedy

1. Check the mode switch and its cable. Replace them if a defect is found. 2. Replace the panel board.

Part to check / replace

FANUC SRVO-374 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

SRVO-372OPEMG1 status abnormalSRVO-373OPEMG2 status abnormalSRVO-375MODE12 status abnormalSRVO-376MODE21 status abnormal

Same hardware involved

SRVO-004Panel boardSRVO-021Panel boardSRVO-335Panel boardSRVO-348Panel board

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →