LogrobotLM

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FANUC Alarm ISD-059 — STOP Servo not ready: ext. e-stop(IPS%d)

FANUC ISD-059 (“STOP Servo not ready: ext. e-stop(IPS%d)”): The specified pneumatic servo is unable to reset be of an external condition such as an Emergency Stop. First check: Verify that when RESET is pressed, the digital output configured as servo enable comes on briefly .

Updated 2026-08-29 · LogrobotLM reference

Description

The specified pneumatic servo is unable to reset be of an external condition such as an Emergency Stop. This external condition is forcing the digital servo ready input to stay off.

Remedy · Remède

Verify that when RESET is pressed, the digital output configured as servo enable comes on briefly . Determine and rectify the external condition (e-stop, blown fuse) causing the problem and then press RESET again. Check whether the servo enable digital output turns on. Verify that the servo ready digital input and the servo enable digital output are properly set up and assigned. Increase the value of $IPS_SETUP.$SRDY_TMOUT (number of scans that the pneumatic servo system waits before checking the servo ready digital input, after RESET is pressed) if required.

Frequently asked · Questions fréquentes

What does FANUC alarm ISD-059 mean?
FANUC ISD-059 (“STOP Servo not ready: ext. e-stop(IPS%d)”): The specified pneumatic servo is unable to reset be of an external condition such as an Emergency Stop. This external condition is forcing the digital servo ready input to stay off.
How do you troubleshoot FANUC alarm ISD-059?
Verify that when RESET is pressed, the digital output configured as servo enable comes on briefly . Determine and rectify the external condition (e-stop, blown fuse) causing the problem and then press RESET again. Check whether the servo enable digital output turns on. Verify that the servo ready digital input and…

Related codes / Codes liés

ISD-057WARN Press. sw . inp not assigned (IPS%d)ISD-058WARN Low air supply pressure (IPS%d)ISD-060Meter hyd. inp not assigned (IPS%d)ISD-061Meter hydraulic not running (IPS%d)

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 →