Anonymous Posted on Sep 29, 2009

The red lick is blinking 3 times. The blower fan

The red lick is blinking 3 times. The blower fan will not kick on. Can't get furnace to kick on. Just cleaned everything. Been having problems with central air too. Been a build up of ice around the pipes and seems like we have to let it thaw before we can get the system running again.

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Anonymous

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Posted on Oct 07, 2009

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These are two unrelated problems. The flash code you are getting is an induced draft problem. The pressure switch is not proving airflow. Make sure that the inducer motor (the motor in the middle of the top door) is running when calling for heat. If so, make sure that the flue in not obstructed. Bird nests, rodents, ice, and snow can plug the flue to the point that not enough air is being moved to allow for ignition.

As for the "ice around the pipes" can be a couple of issues. Check to make sure that your filter has been replaced. If the indoor blower cannot move enough air, the coil will freeze. If that is not dirty, then you most likely have a refrigerant leak and need to have it recharged.

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My electric furnace constantly runs.. no cold or hot air blowing through the vents.. red LED light blinks 4 times saying limit switch open.. how do I fix the problem?

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The red lick is blinking 3 times. The blower fan