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FANUC Alarm WNDW-022 — WARN Zero term char mask in read

FANUC WNDW-022 (“WARN Zero term char mask in read”): The terminate character mask in a keyboard read is zero. First check: Use a non-zero value for the terminate character mask

Updated 2026-08-29 · LogrobotLM reference

Description

The terminate character mask in a keyboard read is zero.

Remedy · Remède

Use a non-zero value for the terminate character mask

Frequently asked · Questions fréquentes

What does FANUC alarm WNDW-022 mean?
FANUC WNDW-022 (“WARN Zero term char mask in read”): The terminate character mask in a keyboard read is zero.
How do you troubleshoot FANUC alarm WNDW-022?
Use a non-zero value for the terminate character mask

Related codes / Codes liés

WNDW-020WARN Bad buffer length on readWNDW-021WARN Invalid timeout valueWNDW-023WARN Initial data too longWNDW-024WARN Attempt to read with no kb

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 →