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FANUC Alarm PNT2-255 — RDU Full - Proc Champ disabled

FANUC PNT2-255 (“RDU Full - Proc Champ disabled”): The report file generated by Process Champion has filled the RDU device to its capacity. First check: For RJ3 controllers only.

Updated 2026-09-17 · LogrobotLM reference

Description

The report file generated by Process Champion has filled the RDU device to its capacity. This forces the system to disable Process Champion auto mode so that no further auto appending is performed on the file. The file has been copied to FR: and is deleted from RDU:.

Remedy

For RJ3 controllers only. Re-enable Process Champion auto mode by setting the 'Set Process Champion Mode' item, in the SETUP Production screen, to Auto. To prevent FR: from filling to capacity, remove the file from FR: to another device, ie PCMCIA card.

Related codes

PNT2-249Max output has feed < setpointPNT2-250Min output has feed > setpointPNT2-270Retract Hard Stop ErrorPNT2-271Extend Hard Stop Error

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