FANUC Alarm WNDW-020 — WARN Bad buffer length on read
FANUC WNDW-020 (“WARN Bad buffer length on read”): The buffer_size parameter in a INI_DYN_DISI INI_DYN_DISR, INI_DYN_DISS or READ_KB call is invalid First check: Specify a value in the range 10-128 for INI_DYN_DISx calls; for READ_KB calls, specify a range of 1-128, unless the accept mask is zero, when a buffer_size value of zero is permitted.
Updated 2026-08-29 · LogrobotLM reference
Description
The buffer_size parameter in a INI_DYN_DISI INI_DYN_DISR, INI_DYN_DISS or READ_KB call is invalid
Remedy · Remède
Specify a value in the range 10-128 for INI_DYN_DISx calls; for READ_KB calls, specify a range of 1-128, unless the accept mask is zero, when a buffer_size value of zero is permitted.
Frequently asked · Questions fréquentes
- What does FANUC alarm WNDW-020 mean?
- FANUC WNDW-020 (“WARN Bad buffer length on read”): The buffer_size parameter in a INI_DYN_DISI INI_DYN_DISR, INI_DYN_DISS or READ_KB call is invalid
- How do you troubleshoot FANUC alarm WNDW-020?
- Specify a value in the range 10-128 for INI_DYN_DISx calls; for READ_KB calls, specify a range of 1-128, unless the accept mask is zero, when a buffer_size value of zero is permitted.
Related codes / Codes liés
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