Are you sure it's not the thermostat?

Check this: 1. thermostat heat on, fan auto

            2. thermostat heat on, fan on

            3. thermostat heat off, fan on

what did you get?

所有跟帖： 

• Very good point -rx300- ♂ (172 bytes) () 01/07/2011 postreply 19:44:26

• Thanks--I am trying now. -Morning3evening4- ♂ (319 bytes) () 01/07/2011 postreply 20:49:30

• you're not supposed to keep system on all the time -rx300- ♂ (926 bytes) () 01/07/2011 postreply 21:10:18

• It seems the thermstat works fine. -Morning3evening4- ♂ (719 bytes) () 01/07/2011 postreply 21:36:17

• By the way, even the furnace does not starts, -Morning3evening4- ♂ (413 bytes) () 01/07/2011 postreply 21:46:03

• is igniter ok -rx300- ♂ (1049 bytes) () 01/08/2011 postreply 07:50:43

• pull off the thermostat, twist these 3 wires -borisg- ♀ (112 bytes) () 01/08/2011 postreply 10:41:05