FANUC Alarm PNT2-119 — Pulse coder communication error
FANUC PNT2-119 (“Pulse coder communication error”): The axis control pcb sent the request signal, but did not receive serial data from the pulse coder. First check: Refer to the troubleshooting section in the Electrical Connection and Maintenance Manual.
Updated 2026-09-17 · LogrobotLM reference
Description
The axis control pcb sent the request signal, but did not receive serial data from the pulse coder.
Remedy
Refer to the troubleshooting section in the Electrical Connection and Maintenance Manual.
Related codes
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 →