FANUC Alarm HOST-134 — WARN BCC or CRC error
FANUC HOST-134 (“WARN BCC or CRC error”): The Host Comm system is receiving checksum errors on all messages. First check: Ensure that the external device is using the same protocol.
Updated 2026-08-29 · LogrobotLM reference
Description
The Host Comm system is receiving checksum errors on all messages.
Remedy · Remède
Ensure that the external device is using the same protocol.
Frequently asked · Questions fréquentes
- What does FANUC alarm HOST-134 mean?
- FANUC HOST-134 (“WARN BCC or CRC error”): The Host Comm system is receiving checksum errors on all messages.
- How do you troubleshoot FANUC alarm HOST-134?
- Ensure that the external device is using the same protocol.
Related codes / Codes liés
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 →