LogrobotLM

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FANUC Alarm IBSS-009 — WARN … I/O Overmapping no.:…

Manufacturer wording — WARN %s I/O Overmapping no.:%d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC IBSS-009 (“WARN … I/O Overmapping no.:…”): The offset or byte number of slave configuration is invalid. First check: Please modify the offset or byte number of slave configuration setting.

Updated 2026-09-17 · LogrobotLM reference

Description

The offset or byte number of slave configuration is invalid.

Remedy

Please modify the offset or byte number of slave configuration setting.

Related codes

IBSS-007STOPL IBS Config change TimeoutIBSS-008STOP Slave Length code errorIBSS-010WARN Please power OFF/ON for MasterIBSS-011STOP Master system error

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 →