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 ISD-028 — Disp pressure diff too high (ISD…)

Manufacturer wording — Disp pressure diff too high (ISD%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ISD-028 (“Disp pressure diff too high (ISD…)”): This error is displayed when the system detects an excessive pressure difference between the two dispensing materials. First check: Check the following:

Updated 2026-09-17 · LogrobotLM reference

Description

This error is displayed when the system detects an excessive pressure difference between the two dispensing materials.

Remedy

Check the following:

Related codes

ISD-026WARN Dual ISD number mismatchISD-027WARN Use SealConfig/NumCFG to correctISD-029Disp pressure diff too low (ISD…)ISD-030Disp pressure diff too high warn(ISD…)

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 →