What does FANUC alarm SYST-158 mean?

FANUC SYST-158 (“PAUSE Robot cannot move in T2 mode”): The mode selector is in T2. Robot cannot move in T2 mode.

FANUC Alarm SYST-158 — PAUSE Robot cannot move in T2 mode

FANUC SYST-158 (“PAUSE Robot cannot move in T2 mode”): The mode selector is in T2. First check: Change the mode switch to T1 or AUTO mode.

Updated 2026-08-29 · LogrobotLM reference

Description

The mode selector is in T2. Robot cannot move in T2 mode.

Remedy · Remède

Change the mode switch to T1 or AUTO mode.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-158 mean?: FANUC SYST-158 (“PAUSE Robot cannot move in T2 mode”): The mode selector is in T2. Robot cannot move in T2 mode.
How do you troubleshoot FANUC alarm SYST-158?: Change the mode switch to T1 or AUTO mode.

Related codes / Codes liés

SYST-156SYSTEM Unknown hard ware SYST-157SYSTEM CE/RIA software does not exist SYST-159WARN GO %d for Error Output not configured SYST-160WARN Value outputted to GO %d out of limit

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 →