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FANUC Alarm PNT2-420 — Error reading gun-on time for job

Manufacturer wording — %sError reading gun-on time for job
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-420 (“Error reading gun-on time for job”): Some process(es) within a job might have something wrong with the header. First check: Go to the DETAIL page for every process in the job.

Updated 2026-09-17 · LogrobotLM reference

Description

Some process(es) within a job might have something wrong with the header.

Remedy

Go to the DETAIL page for every process in the job. This should correct the problem.

Related codes

PNT2-407Applicator enable is ONPNT2-412Error reading gun-on time for jobPNT2-428Applicator test outputs are ONPNT2-429Applicator test outputs are OFF

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 →