LogrobotLM

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FANUC Alarm APSH-035 — WARN Robot is in Bypass mode

FANUC APSH-035 (“WARN Robot is in Bypass mode”): The MODE input is low, forcing the robot into BYPASS mode. First check: Set the MODE switch to ON.

Updated 2026-08-29 · LogrobotLM reference

Description

The MODE input is low, forcing the robot into BYPASS mode. The robot will now ignore all PLC style initiation.

Remedy · Remède

Set the MODE switch to ON. The robot will then re-enter AUTOMATIC mode and again accept PLC signals.

Frequently asked · Questions fréquentes

What does FANUC alarm APSH-035 mean?
FANUC APSH-035 (“WARN Robot is in Bypass mode”): The MODE input is low, forcing the robot into BYPASS mode. The robot will now ignore all PLC style initiation.
How do you troubleshoot FANUC alarm APSH-035?
Set the MODE switch to ON. The robot will then re-enter AUTOMATIC mode and again accept PLC signals.

Related codes / Codes liés

APSH-033WARN PLC comm error - timeoutAPSH-034WARN No UOP output definedAPSH-036WARN User JOB has been pausedAPSH-037WARN No UOP input defined

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →