Furnace not coming on

[hbeckwit]

I changed the t-stat thinking that had failed because when I set the t-stat to call for heat, the fan in the a/c unit came on. After getting the digital t-stat installed along with a new control box, the condition still exists. I know that the furnace blower has to come on before the burner will ignite so could it be the time delay switch and where is it located to check for voltage?

 

[danemayer]

Hi hbeckwit,

You may simply have the fan set to High or Low, rather than to AUTO. If you have the Dometic Single Zone Digital LCD thermostat, cycle the mode from HEAT to FAN and use the +/- buttons to change the FAN setting to AUTO.

 

[TXTiger]

I just picked up my Cyclone yesterday from the dealer for a few repairs. One of the issues was the furnace. Dan is absolutely correct. There was nothing wrong with my unit I just had it set to Hi. You need to try what Dan says, cycle to Fan mode, use the +/- buttons to change the mode to Auto and then try the Furnace again.