FANUC Alarm MARL-023 — PAUSE PosReg … could not be set
Manufacturer wording — PAUSE PosReg %s could not be set
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC MARL-023 (“PAUSE PosReg … could not be set”): Position Register operation failed First check: Check if the position value is defined and if it is valid.
Updated 2026-09-17 · LogrobotLM reference
Description
Position Register operation failed
Remedy
Check if the position value is defined and if it is valid. ABORT ALL and retry
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 →