Question about Heating & Cooling
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Posted on Jan 02, 2017
these codes are on the inside panel of the front cover of the furnace. lift off and look inside.there should be a code explain chart on the panel by the light. this panel will need to be replace correctly for the furnace to work as there is a door switch.
Posted on Feb 01, 2011
Ok, you either have a inducer fan issue or a pressure switch issue or a plugged vent pipe. The inducer turns on to establish a draft for the exhaust. If it is not working you will get this error code. If the pressure switch does not sense pressure caused by the inducer, it will give this code. If either the intake pipe or exhaust pipe is blocked (even y just a little) it will give you the same error code. If the condensate hose or receptical is plugged, again it will give you this error code. Good Luck!
Posted on Oct 21, 2008
SOURCE: coleman furnace wont fire
Check inside the door panel next to the wiring schematic, you should find the diagnostic codes. Look up 7 blinks. This should narrow down the problem. ( It sounds like a bad hot surface ignitor).
Posted on Apr 10, 2009
There may be more than 1 limit switch. Look at the wiring diagram and follow it to all switches. Or jump out the complete circuit.
Posted on Jan 21, 2010
In the path of the flame on the last burner that starts, there will be a small rod. That rod is the flame sensor. Take a scrub pad and polish it. Also check the electrical connection that goes back to the circuit board. Disconnect any ground wire from the circuit board to furnace cabinet, sand it and replace it.
Posted on Mar 14, 2010
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