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FANUC Alarm PNT2-934 — Door detect 2 sensor malfunction

Manufacturer wording — %sDoor detect 2 sensor malfunction
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-934 (“Door detect 2 sensor malfunction”): The door held sensor was damaged or is malfunctioning. First check: Check the sensor and fix it.

Updated 2026-09-17 · LogrobotLM reference

Description

The door held sensor was damaged or is malfunctioning.

Remedy

Check the sensor and fix it. If the job can still be continued activate ignore part signal to disable scanning operations.

Related codes

PNT2-932Door held input 2 lostPNT2-933Door detect 1 sensor malfunctionPNT2-937Door held input 1 lostPNT2-938Door held input 2 lost

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 →