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 PNT1-128 — adj out of limit at line …

Manufacturer wording — adj out of limit at line %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-128 (“adj out of limit at line …”): A limit error was detected during the Adjust Precheck process on the specified line number. First check: Check the alarm log to find the position in which the limit error will occur, then use CLR_ADJ to clear the adjustment value.

Updated 2026-09-17 · LogrobotLM reference

Description

A limit error was detected during the Adjust Precheck process on the specified line number.

Remedy

Check the alarm log to find the position in which the limit error will occur, then use CLR_ADJ to clear the adjustment value.

Related codes

PNT1-126Operation mode T1 SelectedPNT1-127Operation mode T2 SelectedPNT1-129I/O Hardware not installedPNT1-130Data Error (see FR:dterrors.ls)

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 →