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FANUC Alarm SPOT-191 — PAUSE Undefined Pressure (EP=*)-gun 2

FANUC SPOT-191 (“PAUSE Undefined Pressure (EP=*)-gun 2”): 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 2026-09-17 · LogrobotLM reference

Description

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

Remedy

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

Related codes

SPOT-174PAUSE Backup close fault …-gun 2SPOT-190PAUSE Bad Pressure (EP=…)-gun 2SPOT-211PAUSE Backup not closed …-both gunsSPOT-212PAUSE Iso contactor fault …-both guns

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 →