Question about Carrier Heating & Cooling
SOURCE: Rheem-Gas Furnace
It may be a little difficult to diagnose if you don't have a volt/ohm meter to check the switches with, but I will try to help what I can.
The first thing to check is the pressure hose from the vent fan to the pressure switch. Make sure there is no hole rubbed in it and make sure the connector on the fan shroud is clear. Stick a piece of wire in it to make sure a dirt dobber has not clogged it up. Blow in the hose and listen for the switch to click. If there are only 2 wires on the switch, use a piece of wire to jump across them and that will take the switch out of the system. This will tell you if the other parts are working properly.
Post back with what you find and I will try to help. I don't have a digram in front of me, just working from memory, so please be patient.
Posted on Nov 26, 2007
Remove all power from the furnace, it is likely the brain in the furnace is need of being reset, from the battery replacement, why did you change the battery, was there an indicator telling you to change it?
Many times just removing all the power to the furnace will do the trick with a reset, if not let me know and we will go from there, but it sounds like the main brain is confused or bad, more likely confused, so try the power removed first.
Than let me know email@example.com
Posted on Nov 22, 2008
Make sure a back draft in the flue is not happening. Wind can blow it out until the flue heats up. The flame sensor may not be close enough to the burner flame. It may be weak and need to be replaced or if its an optical one it may be dirty and not see the flame very well. Its not wasting much gas but it puts extra wear and tear on the gas controls, is noisy, and, as you said, blows cold drafty air. A gas control system that has issues of any kind is not real safe. It needs to get fixed.
Posted on Jan 08, 2009
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