LogrobotLM

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FANUC Alarm PAIN-237 — WARN Linear Potentiometer Unstable

FANUC PAIN-237 (“WARN Linear Potentiometer Unstable”): During Auto Calibration, the feedback from the linear potentiometer revealed large fluctuations in canister position over a short period of time. First check: N/A

Updated 2026-09-17 · LogrobotLM reference

Description

During Auto Calibration, the feedback from the linear potentiometer revealed large fluctuations in canister position over a short period of time. Ifthe linear potentiometer has been improperly installed or the magnet has been misaligned, it may be the of this alarm.: Change the applicator and repair the malfunctioning linearpotentiometer. Retry calibration with a different applicator.

Remedy

N/A

Related codes

PAIN-235WARN Improper valve state detectedPAIN-236WARN TP disabled - Calib. abortedPAIN-238WARN Table not adapted, max err exceededPAIN-239WARN TPR Mismatch PGOT Required

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 →