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FANUC Alarm PNT2-535%sIPC Interlock check failed!

FANUC PNT2-535 (“%sIPC Interlock check failed!”): The IPC interlock check failed, the (pTRIG and pPE) or pDUMP valves must be opened to run the pump. First check: If this alarm is posted during a Color Change cycle, check the CC cycle to verify the above valves are programmed on.

Updated 2026-08-29 · LogrobotLM reference

Description

The IPC interlock check failed, the (pTRIG and pPE) or pDUMP valves must be opened to run the pump.

Remedy · Remède

If this alarm is posted during a Color Change cycle, check the CC cycle to verify the above valves are programmed on. If this alarm occurs during Manual Functions, make sure the above valves are on before trying to request the pump to run

Frequently asked · Questions fréquentes

What does FANUC alarm PNT2-535 mean?
FANUC PNT2-535 (“%sIPC Interlock check failed!”): The IPC interlock check failed, the (pTRIG and pPE) or pDUMP valves must be opened to run the pump.
How do you troubleshoot FANUC alarm PNT2-535?
If this alarm is posted during a Color Change cycle, check the CC cycle to verify the above valves are programmed on. If this alarm occurs during Manual Functions, make sure the above valves are on before trying to request the pump to run

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 →