FAQ

Why doesn’t numerals displayed in the display board vary?

Possible faults sources:

 

Check whether the 3-channel display signals DISST, DISDS and DISCP fed by mainboard are normal or not; if not, the mainboard malfunctions, and check whether the integrated package 4060 of driver circuit is damaged or not

 

Recommended solutions

 

Maintain or replace the mainboard or display board