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FANUC Alarm ISD-055STOP Servo Enab o/p not assigned (IPS%d)

FANUC ISD-055 (“STOP Servo Enab o/p not assigned (IPS%d)”): A digital output that is used to provide power to the servo valve for the specified axis number has not been assigned. First check: 1. Perform a Controlled start and display the IPS Config screen.

Updated 2026-08-29 · LogrobotLM reference

Description

A digital output that is used to provide power to the servo valve for the specified axis number has not been assigned.

Remedy · Remède

1. Perform a Controlled start and display the IPS Config screen. 2. Set up the servo enable digital output port number and type . 3. Perform a Cold Start.

Frequently asked · Questions fréquentes

What does FANUC alarm ISD-055 mean?
FANUC ISD-055 (“STOP Servo Enab o/p not assigned (IPS%d)”): A digital output that is used to provide power to the servo valve for the specified axis number has not been assigned.
How do you troubleshoot FANUC alarm ISD-055?
1. Perform a Controlled start and display the IPS Config screen. 2. Set up the servo enable digital output port number and type . 3. Perform a Cold Start.

Related codes / Codes liés

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 →