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FANUC Alarm PNT2-116 — Pulse coder alarm

FANUC PNT2-116 (“Pulse coder alarm”): A pulse coder alarm has occurred. First check: Refer to troubleshooting section in the Electrical Connection and Maintenance Manual.

Updated 2026-09-17 · LogrobotLM reference

Description

A pulse coder alarm has occurred. Go to the ALARMS screen on the teach pendant to record the type of pulse coder alarm.

Remedy

Refer to 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 →