What does FANUC alarm GUID-221 mean?

FANUC GUID-221 (“WARN TPE operation error.”): TPE operation error. Internal TPE program error.

FANUC Alarm GUID-221 — WARN TPE operation error.

FANUC GUID-221 (“WARN TPE operation error.”): TPE operation error. First check: Please reload the controller.

Updated 2026-08-29 · LogrobotLM reference

Description

TPE operation error. Internal TPE program error.

Remedy · Remède

Please reload the controller.

Frequently asked · Questions fréquentes

What does FANUC alarm GUID-221 mean?: FANUC GUID-221 (“WARN TPE operation error.”): TPE operation error. Internal TPE program error.
How do you troubleshoot FANUC alarm GUID-221?: Please reload the controller.

Related codes / Codes liés

GUID-219WARN No contact detected.GUID-220WARN Undefined program name.GUID-222WARN Circle Fitting error: %s .GUID-223WARN No DIN support.

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 →