Reference Source

EF · GA800 · Alarm

For EF · GA800 · Alarm, brand is Yaskawa; model / series is GA800; fault code is EF; fault name is FWD/REV Run Command Input Error; type is Alarm, verified against its source on 2026-09-01.

Brand
Yaskawa
Model / series
GA800
Fault code
EF verified
Fault name
FWD/REV Run Command Input Error verified
Type
Alarm verified
Cause
A forward command and a reverse command were input at the same time for longer than 0.5 s. verified
Corrective action
Examine the forward and reverse command sequence and correct the problem. verified
Sourceyaskawa.com
Verified
Review by
DatasetIndustrial VFD fault and alarm codes by brand

What the source says

EF (0007) FWD/REV Run Command Input Error Flashing Alarm 127

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

A forward command and a reverse command were input at the same time for longer than 0.5 s.

Corrective action

Examine the forward and reverse command sequence and correct the problem.

— 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.