Yaskawa FS100 Error 4308: VOLTAGE DROP (CONVERTER)

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

Alarm code4308

The converter is experiencing voltage drop due to power supply failure, connection issue, or internal module failure. The manual's first action is: “Check if the primary power supply voltage is dropping.”

Model
Yaskawa FS100
Display shows
VOLTAGE DROP (CONVERTER) (4308)
Type
Alarm code
Source
Manual p. 217

What 4308 means

VOLTAGE DROP (CONVERTER) p. 217

Common causes

What to do

  1. Check if the primary power supply voltage is dropping. p. 217
  2. (1)Reset the alarm (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe. p. 217

If 4308 is still not resolved

  • Reset the alarm. If the alarm occurs again, replace the controller. Save the CMOS.BIN before replacing the controller to be safe. p. 217
    “(1)Reset the alarm (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe.”
Open the manual at page 217 All FS100 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 4308; 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.