FANUC Alarm PRIO-197 — AB-RIO Slot %d Idle
FANUC PRIO-197 (“AB-RIO Slot %d Idle”): The I/O connection associated with this slot is not actively exchanging I/O. First check: Check the wiring, baud rate, and PLC configuration.
Updated 2026-08-29 · LogrobotLM reference
Description
The I/O connection associated with this slot is not actively exchanging I/O. Note that the alarm severity (STOP or WARN) is affected by the error severity setting on the AB-RIO configuration screen. The last state setting on this screen affects the state of the inputs.
Remedy · Remède
Check the wiring, baud rate, and PLC configuration.
Frequently asked · Questions fréquentes
- What does FANUC alarm PRIO-197 mean?
- FANUC PRIO-197 (“AB-RIO Slot %d Idle”): The I/O connection associated with this slot is not actively exchanging I/O. Note that the alarm severity (STOP or WARN) is affected by the error severity setting on the AB-RIO configuration screen. The last state setting on this screen affects the state of the inputs.
- How do you troubleshoot FANUC alarm PRIO-197?
- Check the wiring, baud rate, and PLC configuration.
Related codes / Codes liés
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →