I have a rheem criterion II gas furance the blower motor comes on and wont shut off even if i shut off the thermostat and the heater wont wont even try to ignite at all. the led of the board blinks as follows one green stays on the other green blinks 3 times and shuts off a couple of seconds then blinks 3 times again over and over and the red led doesnt come on att all. any help would be appreciated.
Locate the service label that describes the various fault codes and post a description of the one you are observing. You might find it on the inside of the service panel, or on the control board housing itself.
Linear Mode
