Question about Amana Heating & Cooling
Hi, there are different reasons why a furnace fan will not run.
It may be as a result of a blockage due to built up of materials on the furnace fan. Switch of the furnace, take the cover off and check to see if there are any thing blocking it.
The thermostat may also be faulty, try fiddling with the thermostat dial unit you find a place that the fan will cut in at. You need to change the thermostat......
Lack of power can also be a problem, check to see if the thermostat of furnace is switched on, although this is an unlikely cause but could happen. check the wiring connection and if you cannot see any loose wire, call in a tech.
Loose wiring, if found that there are loose wiring around the furnace, call in an electrician to fix it up.
And finally, the fan itself may be faulty/bad and needs replacement. Only a electrician can determine this..
Posted on Jul 04, 2010
furnace/air handler fan running?
If it is not, then, check to see if the fan on the outside unit is running. If
the fan on the outside unit is not running either, check to make sure that the
breakers for the
furnace/air handler and the air
conditioner are on.
If the breaker is not tripped, then the problem may be your thermostat, the furnace/air handler control board, or the wires between the furnace/air handler and the thermostat.
If your unit has a condensate pump, check to make sure the reservoir is not full. If the reservoir is full, a limit switch will normally stop the air conditioner from running. You will need to repair or replace the pump.
If the breaker is tripped, you can reset it by shutting it off and then turning it back on. If it trips again, then check the wiring in the furnace/air handler for signs of damage and repair as necessary.
If the blower is running but the fan on the outside unit is not, then continue your air conditioner troubleshooting at the outside unit.
If the blower isn't running but the fan outside is, the problem could be the blower motor, its run capacitor, or the furnace/air handler control board.
If the blower on the furnace is running, check to see if you see any frost or ice around the units. You might also notice water around the furnace. Is there ice on the copper lines going outside? If yes, then shut the outside unit off for a couple of hours but let the blower on the furnace run. This will allow the ice to melt.
After two hours, you can continue your air conditioner troubleshooting. Turn the ac back on and let it run for about five minutes. Now feel the larger copper line at the outdoor unit. This should be cold and have condensation on it. If it is not cold or if frost is forming on the line, it is probably a Freon problem. You will need to call a repairman because of federal refrigerant usage regulations.
If there is no ice or frost, then continue troubleshooting at the outside unit. If the fan motor is not running, then shut the power off to the unit. Then check all wire connections for signs of damage such as burning and repair as necessary. You should also check the wire connections in the compressor terminal box and repair if necessary.
You can use our capacitor testing guide to check the unit's capacitors and replace as necessary.
Thanks. keep updated for any more query.you can rate this solution and show your appreciation.
Posted on Jul 04, 2010
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Posted on Jan 02, 2017
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