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FANUC Alarm PNT1-891 — 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 PNT1-891 (“Wrong valve state in CAN FULL event-…”): The wrong valve state was programmed in the color change cycle. First check: To correct the problem, ensure that the pCI valve is enabled in the step before the Can Full event.

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 satisfied for the Can Full event in the color change cycle.

Remedy

To correct the problem, ensure that the pCI valve is enabled in the step before the Can Full event.

Related codes

PNT1-889Wrong valve state in EMPTY CAN event-…PNT1-890Wrong valve state in FAST FILL event-…PNT1-892Wrong valve state in PRESET motion-…PNT1-893Canister Dir - retracting: …

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