FANUC Alarm ARC-142 — MCC monitor abnormal(E:…)

Manufacturer wording — MCC monitor abnormal(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-142 (“MCC monitor abnormal(E:…)”): MCC is OFF even though the MCC request is ON. First check: Check the MCC and signal line for MCC.

Updated 2026-09-17 · LogrobotLM reference

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 →