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FANUC Alarm HOST-106 — WARN $PROTOENT entry not found

FANUC HOST-106 (“WARN $PROTOENT entry not found”): Protocol Entry structure ($PROTOENT) is invalid. First check: Return Protocol Entry structure to initial values from Setup and Operations manual.

Updated 2026-09-17 · LogrobotLM reference

Description

Protocol Entry structure ($PROTOENT) is invalid. It should be reset to default values.

Remedy

Return Protocol Entry structure to initial values from Setup and Operations manual.

Related codes

HOST-104WARN Disk timeoutHOST-105WARN Write protection violationHOST-107WARN $SERVENT entry not foundHOST-108WARN Internet address not found

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 →