Question about Whirlpool Heating & Cooling
Mike, when you stated it barely starts, to what are you referring? The compressor (condenser) section has an issue when starting or the indoor fan is hard to start?
If the fan does run, and the condenser unit outside is operating and you are getting lower than usual air flow (compared to previously), you may have a dirty filter, or you may have other obstructions at the evap coil inside the furnace or air handler. It could also be the unit is freezing up and ice on the evap coil is cutting down the air flow. Chances are if the coil is freezing over, you will have two issue that cause this:
Air flow issues (dirty coil, clogged air filter, or other obstructions across the evap coil, such as a plastic bag or pet hair, dust, ect.) which will also cause the coil to freeze over.
The other issue that would cause the low air flow is ice that is a result of low refrigerant.
If the system ran fine in the past, I will rule out it may be inproperly sized. Have you recently had a fan motor replaced on the indoor unit. If so, and they under sized the fan motor, then it could be the fan is not drawing, or blowing enough air across the evaporator coil and this will cause it to freeze over.
Look for ice on the suction line (piping) which is the bigger of the two lines coming from the outside unit (condensing unit). It is also the line that has the insulation covering it. If it has ice on it, then freezing is occuring on the evaporator. If so, then airflow issues, or refrigerant levels are usually the main culprits.
The two lines (suction and liquid) running between your indoor and outdoor unit should feel the following way to the touch of your hand:
Suction should be cold and possibly sweating if exposed (in places where no insulation is present).
Liquid line (smaller line) should be warm to the touch, but not too hot, or too cool. Should feel close to the outside ambient temperature if felt by hand.
Look these issues over and let me know.
Posted on Sep 04, 2010
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Posted on Jan 02, 2017
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I am not an expert but I have two of the remote controlled 8000 BTU units and one of the 12000 BTU units like this one.
I have found that the remote controlled Whirlpool units that used this type of electronics sometime had a problem with cold solder joints on the motor control board. This is the board that has the relays that control the fan speed and compressor. Check for cold solder joints on all connections that have large diameter wire. These connections apparently did not get hot enough to properly flow the solder on the large diameter wire.
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