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FANUC Alarm ARC-189 — External input1(E:…)

Manufacturer wording — External input1(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-189 (“External input1(E:…)”): An Exernal1 hold signal was input from an external source. First check: Turn off controller power, remove the cause for the error, reset the ESTOP, then turn on the controller again.

Updated 2026-09-17 · LogrobotLM reference

Description

An Exernal1 hold signal was input from an external source.

Remedy

Turn off controller power, remove the cause for the error, reset the ESTOP, then turn on the controller again.

Related codes

ARC-182Motor alarm(E:…)ARC-188External emergency input(E:…)ARC-190External input2(E:…)ARC-191Memory alarm(E:…)

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 →