EF1 · GA800 · Alarm
For EF1 · GA800 · Alarm, brand is Yaskawa; model / series is GA800; fault code is EF1; fault name is External Fault (Terminal S1); type is Alarm, verified against its source on 2026-09-01.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- EF1 verified
- Fault name
- External Fault (Terminal S1) verified
- Type
- Alarm verified
- Cause
- MFDI terminal S1 caused an external fault through an external device. verified
- Corrective action
- 1. Find the device that caused the external fault and remove the cause. 2. Clear the external fault input in the MFDI. verified
What the source says
EF1 (0039) External Fault (Terminal S1) 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
MFDI terminal S1 caused an external fault through an external device.
Corrective action
1. Find the device that caused the external fault and remove the cause. 2. Clear the external fault input in the MFDI.
— all from yaskawa.com, retrieved 2026-09-01
Source
- yaskawa.comhttps://www.yaskawa.com/delegate/getAttachment?documentId=TOEPYAIGA8001&cmd=documents&documentName=TOEPYAIGA8001.pdf