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FANUC Alarm PNT2-903 — Wrong valve state in CAN FULL event…

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

FANUC PNT2-903 (“Wrong valve state in CAN FULL event…”): The wrong valve state was programmed in the color change cycle. First check: Ensure that the pCI valve is enabled in the step before the Can Full event to correct the problem.

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 the Can Full event in the color change cycle.

Remedy

Ensure that the pCI valve is enabled in the step before the Can Full event to correct the problem.

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 →