Alarm code1684
The controller detected an instant power failure affecting torque and servo voltage. The manual's first action is: “Check if the primary power supply voltage is dropping.”
- Model
- Yaskawa FS100
- Display shows
- INSTANT POWER FAILURE (TRQ)(SV) (1684)
- Type
- Alarm code
- Source
- Manual p. 151
What 1684 means
INSTANT POWER FAILURE (TRQ)(SV) p. 151
Common causes
What to do
- Check if the primary power supply voltage is dropping. p. 151
- Check if the instant power failure has occurred. p. 151
If 1684 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Yaskawa service.
This page summarises what the manufacturer’s manual says about 1684; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Yaskawa. Found a mistake? Report an error.
