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FANUC Alarm SPOT-121 — PAUSE Undefined Pressure (EP=*)-gun 1

FANUC SPOT-121 (“PAUSE Undefined Pressure (EP=*)-gun 1”): Undefined pressure (EP=*) A EP=* was encountered in the teach pendant program, but no previous pressure value has been used. First check: Be sure to include a direct equalization pressure value instead of using the *.

Updated 2026-08-29 · LogrobotLM reference

Description

Undefined pressure (EP=*) A EP=* was encountered in the teach pendant program, but no previous pressure value has been used.

Remedy · Remède

Be sure to include a direct equalization pressure value instead of using the *.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-121 mean?
FANUC SPOT-121 (“PAUSE Undefined Pressure (EP=*)-gun 1”): Undefined pressure (EP=*) A EP=* was encountered in the teach pendant program, but no previous pressure value has been used.
How do you troubleshoot FANUC alarm SPOT-121?
Be sure to include a direct equalization pressure value instead of using the *.

Related codes / Codes liés

SPOT-104PAUSE Backup close fault %s-gun 1SPOT-120PAUSE Bad Pressure (EP=%s)-gun 1SPOT-141PAUSE Backup not closed-gun 2SPOT-143PAUSE Water saver OK fault-gun 2

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 →