Question about Bryant Heating & Cooling
Blower fan does not run even when I set the thermostat to the emergency setting.
Posted by Anonymous on
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Posted on Jan 02, 2017
This could be an indication that there is an error code flashing on the control board and needs to be addressed. Most newer units like this indicate a problem by running the room air blower to alert the homeowner something is wrong. Really! Without shutting off the power to the unit, look for a small viewing port that looks into the cabinet. You should see a blinking light that will blink a number of times, pause then blink another number of times. Once you get this number, say 3-4, look at the wiring diagram pasted on one of the door panels for a diagnostic chart. It will give you a starting point where to look for the problem. If you have one. Or you could have a bad control board or shorted wire. Make sure the air filter is clean since you will be in front of the unit, you would not believe how many times I have to charge $100 to replace a filter the home owner could have done for less than $20.
Posted on Mar 11, 2010
SOURCE: Blower in Attic not running
inside unit has fan control relay , either on control board or can be separate ,except for the 24 volt transformer and the t-stat the units operate separately concentrate totally on the inside unit this is where the problem lies
Posted on Nov 08, 2008
The fans are set to delay for 60-90 seconds to remove all heat from the heat exchanger/heater elements.
If the fan runs any longer than 3-4 minutes after the Emergency Heat shuts off, you may have a bad sequencing relay in the air handler.
Posted on Jan 27, 2009
SOURCE: Heat pump cycling on and off.
It sounds as if you you have a low charge of refrigerant, r22. When the unit comes on outside, the outdoor coils become the lowside, there is a low pressure switch that is tripping out contactor protecting the compressor.
Posted on Mar 11, 2009
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