Reference Source

UL5 · GA800 · Alarm

For UL5 · GA800 · Alarm, brand is Yaskawa; model / series is GA800; fault code is UL5; fault name is Mechanical Weakening Detection 2; type is Alarm, verified against its source on 2026-09-01.

Brand
Yaskawa
Model / series
GA800
Fault code
UL5 verified
Fault name
Mechanical Weakening Detection 2 verified
Type
Alarm verified
Cause
The drive detected undertorque as specified by the conditions for mechanical weakening detection set in L6-08 [Mechanical Fatigue Detect Select]. verified
Corrective action
Examine the machine for deterioration. verified
Sourceyaskawa.com
Verified
Review by
DatasetIndustrial VFD fault and alarm codes by brand

What the source says

UL5 (003E) Mechanical Weakening Detection 2 Flashing Alarm 134

yaskawa.com, retrieved 2026-09-01

Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

Cause

The drive detected undertorque as specified by the conditions for mechanical weakening detection set in L6-08 [Mechanical Fatigue Detect Select].

Corrective action

Examine the machine for deterioration.

— all from yaskawa.com, retrieved 2026-09-01

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.