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FANUC Alarm PNT2-637 — Leak detect when zeroing meter

Manufacturer wording — %sLeak detect when zeroing meter
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-637 (“Leak detect when zeroing meter”): An attempt to set an applicator parameter output was made which was beyond its min/max value. First check: Verify the parameter min/max output setting.

Updated 2026-09-17 · LogrobotLM reference

Description

An attempt to set an applicator parameter output was made which was beyond its min/max value.

Remedy

Verify the parameter min/max output setting.

Related codes

PNT2-635Cal. table adapted out, downPNT2-636Max. flow is below midpt. outputPNT2-643Cal. table adapted out,output upPNT2-644Cal. table adapted in tolerance

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 →