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FANUC Alarm SRVO-294 — SERVO EXT.FAN(PSM) alarm

Manufacturer wording — SERVO EXT.FAN(PSM) alarm(G:%d A:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SRVO-294 (“SERVO EXT.FAN(PSM) alarm”): SVM communication error occurs Cable between PSM and SVM is disconnected SVM is abnormal. First check: Change cable between PSM and SVM Change SVM.

Updated 2026-09-17 · LogrobotLM reference

Description

SVM communication error occurs Cable between PSM and SVM is disconnected SVM is abnormal. Or PSM is abnormal

Remedy

Change cable between PSM and SVM Change SVM. Or change PSM

Related codes

SRVO-292SERVO EXT.FAN alarmSRVO-293SERVO DClink(PSM) HCALSRVO-295SERVO SVM COM alarmSRVO-296SERVO PSM DISCHG alm

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 →