LogrobotLM

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FANUC Alarm PAIN-204 — WARN Illegal manual cycle … received

Manufacturer wording — WARN Illegal manual cycle %s received
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PAIN-204 (“WARN Illegal manual cycle … received”): For integral color change systems only: An illegal color change cycle number was sent by the PLC. First check: Make sure the PLC is sending a legal color change cycle number.

Updated 2026-09-17 · LogrobotLM reference

Description

For integral color change systems only: An illegal color change cycle number was sent by the PLC. Cycle numbers 1-8, and 21, 22, and 23 are legal cycle numbers for PaintTool version 1.30 and older.

Remedy

Make sure the PLC is sending a legal color change cycle number.

Related codes

PAIN-202WARN Color select-input fuse blownPAIN-203WARN Color select-output fuse blownPAIN-205WARN Color cycle abortedPAIN-206WARN Illegal manual cycle start

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 →