The dispay panel is not lit. The control interface doesn’t work. This happened out of the blue after about 2.5 years of normal operation. I have verified that 120V is getting into the Control Board. Using a volt-meter, I have found several voltages around the control board, but am not sure which part is not working correctly. I’m not sure if the User Interface board is the problem or the main control board. I am looking for some technical advice or possibly the schematics for the control board if available.
Thanks,
Andy