LogrobotLM

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FANUC Alarm PNT1-901 — Wrong valve state in EMPTY CAN event%s

FANUC PNT1-901 (“Wrong valve state in EMPTY CAN event%s”): The wrong valve state was programmed in the color change cycle. First check: To correct the problem, ensure that the pDump valve OR pPE + pTRIG valves are in the step before the Empty Can event.

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 the Empty Can event in the color change cycle.

Remedy · Remède

To correct the problem, ensure that the pDump valve OR pPE + pTRIG valves are in the step before the Empty Can event.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT1-901 mean?
FANUC PNT1-901 (“Wrong valve state in EMPTY CAN event%s”): The wrong valve state was programmed in the color change cycle. The valve interlocking requirements have not been satified for the Empty Can event in the color change cycle.
How do you troubleshoot FANUC alarm PNT1-901?
To correct the problem, ensure that the pDump valve OR pPE + pTRIG valves are in the step before the Empty Can event.

Related codes / Codes liés

PNT1-899%sAir in Canister detectedPNT1-900%sLow Trigger TorquePNT1-902Wrong valve state in FAST FILL event%sPNT1-903Wrong valve state in CAN FULL event%s

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 →