LogrobotLM

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FANUC Alarm HOST-168 — WARN EXMG: Invalid Channel

FANUC HOST-168 (“WARN EXMG: Invalid Channel”): Invalid Channel specified. First check: Make sure the channel specified is online or specify the correct channel

Updated 2026-09-17 · LogrobotLM reference

Description

Invalid Channel specified. Channel may not be online.

Remedy

Make sure the channel specified is online or specify the correct channel

Related codes

HOST-166WARN EXMG: Write PendingHOST-167WARN EXMG: Connection ErrorHOST-169WARN EXMG: Invalid PathHOST-170WARN EXMG: Invalid Name

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 →