LogrobotLM

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FANUC Alarm WNDW-026 — WARN Read for same keys/kbd active

FANUC WNDW-026 (“WARN Read for same keys/kbd active”): A READ_KB call was executed where the keyboard for the specified file currently has another READ_KB call or READ statement that accepts some of the same classes of keys and the terminate mask included First check: This may be a normal result if the user intended READ_KB requests to fail if the Keyboard is in use.

Updated 2026-09-17 · LogrobotLM reference

Description

A READ_KB call was executed where the keyboard for the specified file currently has another READ_KB call or READ statement that accepts some of the same classes of keys and the terminate mask included the kbd_busy bit

Remedy

This may be a normal result if the user intended READ_KB requests to fail if the Keyboard is in use. Otherwise, modify the terminate mask, modify the accept mask of this or the conlicting read, or use a PUSH_KEY_RD call to suspend conficting reads

Related codes

WNDW-024WARN Attempt to read with no kbWNDW-025WARN Echo window for read not actWNDW-027WARN Too many pushes activeWNDW-028WARN Mis-match on push/pop seq

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