LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm PNT2-428 — Applicator test outputs are ON

Manufacturer wording — %sApplicator test outputs are ON
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-428 (“Applicator test outputs are ON”): Applicator test outputs are ON. First check: None.

Updated 2026-09-17 · LogrobotLM reference

Description

Applicator test outputs are ON. This is initiated by the PLC.

Remedy

None.

Related codes

PNT2-412Error reading gun-on time for jobPNT2-420Error reading gun-on time for jobPNT2-429Applicator test outputs are OFFPNT2-434Applicator test outputs are ON

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 →