If the heat pump turns on when you want cool air but not for heat this is likely the cause.
Heat pump outdoor unit not working.
A bad capacitor can t properly power your ac s fan meaning the fan can t spin.
First clean away leaves and debris from your heat pump or intake and exhaust vents.
Capacitors may also go bad for several other reasons.
I have noticed sometimes i am in cooling mode not all the time the outdoor unit will come on and run but the indoor blower will not.
As the name suggests the reversing valve allows the heat pump to work as both a heater and an air conditioner by reversing the direction of the refrigerant.
Outdoor unit won t come on outdoor unit not running.
However if the entire unit is covered with snow and ice this is an indication of a problem.
Heat pump troubleshooting tips for summer icing.
Before checking your outdoor compressor unit turn off your emergency heat and return your thermostat back down to the normal heat function and proceed with your heat pump troubleshooting outside.
If this doesn t work contact your trane comfort specialist.
It will also need to be replaced by a technician.
During winter it is common to find the outside unit of the heat pump covered in in light ice and frost and this does not affect the working of the pump.
Heat pump outdoor unit runs but indoor blow does not i guess a lot of people would not notice something like this but i sleep close to the indoor unit and can hear the outdoor heat pump unit kick on.
The sweltering outdoor heat coupled with the internal heat produced within the ac unit itself can sometimes overwhelm a capacitor causing it to fail.
To warm your cold inside air the heat pump s outdoor unit uses liquid refrigerant to absorb heat from the outside air.
Is your outdoor unit working properly.
Heat pump not heating.
Think of it like trying to pour a thimble of hot water on a glacier.
Heat pump check 3.
If the air handler or indoor blower assembly does not start in response to a call for cooling the no start problem is probably at the indoor thermostat or at the blower assembly itself.
Why is there low or no air flow from my heat pump.
The outdoor unit could be obstructed clear away debris like grass clippings sticks leaves and weeds.
Then note any changes in airflow.
If the indoor air handler blower runs but the outdoor compressor condenser unit never starts then the problem is more likely there.
And there are many things that can prevent the outdoor unit from starting some of which can be quite serious.