LogrobotLM

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FANUC Alarm VARS-037 — WARN Position register is locked

FANUC VARS-037 (“WARN Position register is locked”): Position register is locked by program operation First check: Wait until program is finished

Updated 2026-09-17 · LogrobotLM reference

Description

Position register is locked by program operation

Remedy

Wait until program is finished

Related codes

VARS-034WARN Variable cannot be accessedVARS-036WARN CMOS memory is corruptVARS-038WARN Cannot change CMOS/DRAM typeVARS-039WARN Data set created

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 →