Replacing the Control Board

To avoid electrical shock or property damage, disconnect power before installing or servicing equipment. A qualified technician must perform the service procedures.

Remove electrical power to unit.
Using crosshead screwdriver, remove the side panel closest to the controls.
Pull connectors from board.
Using a 5/16" socket, remove the nuts securing the control board and remove control board.
Using a small crosshead screwdriver, remove the screw securing the probe receptacle to the bracket.
Install new board in reverse order.
Replace side panels and restore power to unit.