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FANUC Alarm SPOT-088 — PAUSE Serial comm error %s-gun 1

FANUC SPOT-088 (“PAUSE Serial comm error %s-gun 1”): A serial communications error was detected. First check: Ensure that all cables to the serial port are properly connected, and that the weld controller is powered on.

Updated 2026-08-29 · LogrobotLM reference

Description

A serial communications error was detected.

Remedy · Remède

Ensure that all cables to the serial port are properly connected, and that the weld controller is powered on. The error code that is appended to this error message is the status of attempted read/write operation.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-088 mean?
FANUC SPOT-088 (“PAUSE Serial comm error %s-gun 1”): A serial communications error was detected.
How do you troubleshoot FANUC alarm SPOT-088?
Ensure that all cables to the serial port are properly connected, and that the weld controller is powered on. The error code that is appended to this error message is the status of attempted read/write operation.

Related codes / Codes liés

SPOT-086PAUSE BACKUP OPEN timed out-gun 1SPOT-087PAUSE GUN OPEN timed out-gun 1SPOT-089PAUSE Serial polling timeout-gun 1SPOT-092PAUSE GUN OPEN DETECT input is on %s-gun 1

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 →