Yaskawa FS100 Error 255: Software operation error occurred

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

Alarm code255

A software operation error has occurred. The manual's first action is: “(1)Reset the alarm, and then try again. (2)If the alarm occurs again, save the CMOS BIN in maintenance mode, and then contact your Yaskawa representative about occurrence status (operating procedure).”

Model
Yaskawa FS100
Display shows
Software operation error occurred (255)
Type
Alarm code
Source
Manual p. 270

What 255 means

Software operation error occurred p. 270

Common causes

  • Software operation error occurred p. 270

What to do

  1. (1)Reset the alarm, and then try again. (2)If the alarm occurs again, save the CMOS BIN in maintenance mode, and then contact your Yaskawa representative about occurrence status (operating procedure). p. 270

If 255 is still not resolved

  • If the alarm occurs again, save the CMOS.BIN in maintenance mode, and then contact your Yaskawa representative about occurrence status (operating procedure). p. 270
    “If the alarm occurs again, save the CMOS.BIN in maintenance mode, and then contact your Yaskawa representative about occurrence status (operating procedure).”

This page summarises what the manufacturer’s manual says about 255; 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.