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FANUC Alarm PNT2-937 — Door held input 1 lost

Manufacturer wording — %sDoor held input 1 lost
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-937 (“Door held input 1 lost”): The door held input was lost during part held scanning. First check: Check the input as soon as possible.

Updated 2026-09-17 · LogrobotLM reference

Description

The door held input was lost during part held scanning.

Remedy

Check the input as soon as possible. If the job can still be continued activate ignore part signal to disable scanning operations.

Related codes

PNT2-933Door detect 1 sensor malfunctionPNT2-934Door detect 2 sensor malfunctionPNT2-938Door held input 2 lostPNT2-939Door detect 1 sensor malfunction

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 →