FANUC Alarm PNT2-099 — PC serial interface fault
FANUC PNT2-099 (“PC serial interface fault”): The PC interface serial link has failed. First check: Check the LED status on the PC interface board.
Updated 2026-08-29 · LogrobotLM reference
Description
The PC interface serial link has failed.
Remedy · Remède
Check the LED status on the PC interface board. Refer to the Maintenance for the possible cause.
Frequently asked · Questions fréquentes
- What does FANUC alarm PNT2-099 mean?
- FANUC PNT2-099 (“PC serial interface fault”): The PC interface serial link has failed.
- How do you troubleshoot FANUC alarm PNT2-099?
- Check the LED status on the PC interface board. Refer to the Maintenance for the possible cause.
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 →