FANUC Alarm PNT2-117 — Pulse coder battery low alarm
FANUC PNT2-117 (“Pulse coder battery low alarm”): The pulse coder batteries are low. First check: Refer to the troubleshooting section in the Electrical Connection and Maintenance Manual.
Updated 2026-09-17 · LogrobotLM reference
Description
The pulse coder batteries are low.
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 →