FANUC Alarm PNT2-904 — Wrong valve state in PRESET motion%s
FANUC PNT2-904 (“Wrong valve state in PRESET motion%s”): The wrong valve state was programmed in the color change cycle. First check: Ensure that the pCI valve is enabled in the same step as the preset instruction if retracting the canister.
Updated 2026-08-29 · LogrobotLM reference
Description
The wrong valve state was programmed in the color change cycle. The valve interlocking requirements have not been satified for a preset motion instruction.
Remedy · Remède
Ensure that the pCI valve is enabled in the same step as the preset instruction if retracting the canister. Ensure that the pDump valve OR pPE + pTRIG valves are enabled in the same step as the preset instruction if extending the canister.
Frequently asked · Questions fréquentes
- What does FANUC alarm PNT2-904 mean?
- FANUC PNT2-904 (“Wrong valve state in PRESET motion%s”): The wrong valve state was programmed in the color change cycle. The valve interlocking requirements have not been satified for a preset motion instruction.
- How do you troubleshoot FANUC alarm PNT2-904?
- Ensure that the pCI valve is enabled in the same step as the preset instruction if retracting the canister. Ensure that the pDump valve OR pPE + pTRIG valves are enabled in the same step as the preset instruction if extending the canister.
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 →