Yaskawa FS100 Error 1684: INSTANT POWER FAILURE (TRQ)(SV)

Yaskawa FS100 · taken from the manufacturer’s manual, pages cited

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

  1. Check if the primary power supply voltage is dropping. p. 151
  2. 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.