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FANUC Alarm PNT2-904 — Wrong valve state in PRESET motion…

Manufacturer wording — Wrong valve state in PRESET motion%s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-904 (“Wrong valve state in PRESET motion…”): 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 2026-09-17 · 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

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

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. How this reference is built →