FANUC Alarm CPMO-046 — ChnI != ChO + CIF
Manufacturer wording — ChnI != ChO + CIF (G: %d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC CPMO-046 (“ChnI != ChO + CIF”): Chn Input != Chn Output + CIF First check: Press RESET and try the operation again.
Updated 2026-09-17 · LogrobotLM reference
Description
Chn Input != Chn Output + CIF
Remedy
Press RESET and try the operation again. If the problem still persists, document the events that led to the error, and call your FANUC or FANUC Robotics technical represntative.
Related codes
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 →