LogrobotLM

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FANUC Alarm PRIO-187 — WARN CNET Invalid Num of Slots

FANUC PRIO-187 (“WARN CNET Invalid Num of Slots”): The number of slots for the device in the scan is invalid. First check: Verify the configuration in the scanner config tool and reload the configuration.

Updated 2026-09-17 · LogrobotLM reference

Description

The number of slots for the device in the scan is invalid.

Remedy

Verify the configuration in the scanner config tool and reload the configuration. Verify that the EDS files are valid.

Related codes

PRIO-185WARN CNET Config Er … …PRIO-186WARN CNET Invalid Header sizePRIO-188Sim. Skip output not definedPRIO-189WAIT will time out

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 →