FANUC Alarm VARS-034 — WARN Variable cannot be accessed
FANUC VARS-034 (“WARN Variable cannot be accessed”): The CMOS variable that you attempted to delete was created This could also be be a KAREL program, Network or KCL was adding deleteing or doing a node operation when access was attempted First check: Delete the variable in the same start mode that the variable was created.
Updated 2026-08-29 · LogrobotLM reference
Description
The CMOS variable that you attempted to delete was created This could also be be a KAREL program, Network or KCL was adding deleteing or doing a node operation when access was attempted
Remedy · Remède
Delete the variable in the same start mode that the variable was created. For example if a CMOS variable was created at CONTROLLED start it must be deleted at CONTROLLED start. If if is be of some access conflict the attempt the operation again when no other variable accesses are in progress.
Frequently asked · Questions fréquentes
- What does FANUC alarm VARS-034 mean?
- FANUC VARS-034 (“WARN Variable cannot be accessed”): The CMOS variable that you attempted to delete was created This could also be be a KAREL program, Network or KCL was adding deleteing or doing a node operation when access was attempted
- How do you troubleshoot FANUC alarm VARS-034?
- Delete the variable in the same start mode that the variable was created. For example if a CMOS variable was created at CONTROLLED start it must be deleted at CONTROLLED start. If if is be of some access conflict the attempt the operation again when no other variable accesses are in progress.
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 →