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FANUC Alarm SYST-066 — PAUSE Teach Pendant communication error

FANUC SYST-066 (“PAUSE Teach Pendant communication error”): Communication with the advanced Teach Pendant was interrupted. First check: Too much communication may have d the interrupt.

Updated 2026-08-29 · LogrobotLM reference

Description

Communication with the advanced Teach Pendant was interrupted.

Remedy · Remède

Too much communication may have d the interrupt. Check the teach pendant cable.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-066 mean?
FANUC SYST-066 (“PAUSE Teach Pendant communication error”): Communication with the advanced Teach Pendant was interrupted.
How do you troubleshoot FANUC alarm SYST-066?
Too much communication may have d the interrupt. Check the teach pendant cable.

Related codes / Codes liés

SYST-064WARN Bad scan table dataSYST-065ABORT SFCALC overrunSYST-067SYSTEM Panel HSSB disconnectSYST-069WARN Program number out of range

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 →