Reference Source

Er-09 · GA800 · Auto-Tuning Error

For Er-09 · GA800 · Auto-Tuning Error, brand is Yaskawa; model / series is GA800; fault code is Er-09; fault name is Acceleration Error; type is Auto-Tuning Error, verified against its source on 2026-09-01.

Brand
Yaskawa
Model / series
GA800
Fault code
Er-09 verified
Fault name
Acceleration Error verified
Type
Auto-Tuning Error verified
Cause
The motor did not accelerate for the specified acceleration time. verified
Corrective action
1. Increase the value set in C1-01 [Acceleration Time 1]. 2. Disconnect the machine from the motor and do Rotational Auto-Tuning again. verified
Sourceyaskawa.com
Verified
Review by
DatasetIndustrial VFD fault and alarm codes by brand

What the source says

Er-09 Acceleration Error Flashing Auto-Tuning Error 143

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 motor did not accelerate for the specified acceleration time.

Corrective action

1. Increase the value set in C1-01 [Acceleration Time 1]. 2. Disconnect the machine from the motor and do Rotational Auto-Tuning again.

— 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.