Unit will turn on but doesn't feel like it is blowing cold air. Have the fan on cool and temp all the way down at 60 and just blowing warm air. Wondering where i might start. Can't tell if compressor is running or not. doesn't sound like it is kicking in.
I had same problem, try turning unit off for 5 minutes, also remove batteries from remote.. remote sensing ftl.. then turn unit back on, set unit to cold mode, fan high, increase temperature from 60 to 68.. or until compressor comes on... my compressor finally came on at 68 but wont work at 60.. hope and pray it runs till morning with the landlord can come replace it.
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Make sure the setting on the remote is correct . Sun symbol for heating. Make sure the filters are clean. On heating, the indoor unit will 1/2 open the flap but the fan shouldn't start. The outdoor unit should start and if working properly, will be blowing cold air. The indoor unit will open the flap fully and the indoor fan will start once it gets hot then you should feel warm air. If the outdoor unit is blowing warmish air, I would say the reversing valve coil has failed or one of the indoor temp or pipe sensors are faulty. If a sensor fails, a "CH" error should appear on the display.
THE OUTSIDE FAN MOTOR MIGHT NOT BE WORKING CAUSING THE COMPRESSOR TO GET HOT AND TRIP THE INTERNAL OVERLOAD IN THE COMPRESSOR - IF THE UNIT IS LOW IN FREON SAME RESULTS - WHEN UNIT IS FIRST TURNED ON DOES IT BLOW COLD AIR OR DOES THE AIR NOR FEEL COOL - JUST COOL AIR COULD BE LOW FREON - COLD THEN WARMS UP IS FAN PROBLEM
hello, touch the pipes entering the outdoor unit, one should be cold with condensation and the other one should be warm. If they feel room temp then the compressor is not running, if the the pipe feel warm then the unit is very low on refrigerant.
Check the fan,to make sure it is really turning fast on the high mode with ac on,not just fan.It sounds like the fan is slowing down,and not cooling the condenser,therefore cause the head pressure to rise,and producing warm air.The fan motor would have to be replaced to fix the problem if this is the case.
Is this a window unit? Sounds like the compressor may be cutting on and off. That would cause the alternating air temp you are feeling. Make sure the condenser fan is running. If it isn't running head pressure will build up on the compressor until it shuts down. Then the pressure will equalize and the compressor will kick on again. Also check your filters and the condenser coil to make sure it is clean. Let me know what you find.
Is the outside unit running? if so can you feel warmer than outside air blowing from outside fan? If not your system may have a leak and pressures low. You can also check the piping to and from the unit larger one should be cold small one should be warm
check outside unit large pipe should be cool or even very cold small pipe should be warm to touch that will eliminate some questions in order to solve problem also check circuit breaker for outdoor unit see if fan on outdooor unit is running and listen for compressor hum
set the t-stat low and let it run for 5 minutes , stick a thermometer in the return air closest to the unit as possible until you get a good reading , then stick the thermometer in the cold air supply again closest to the indoor unit as possible let sit until it stops going down in temp.
this is called your temp difference and it should be atleast a 14deg. F difference from in to out. if its lower you have a refrigerant problem, Let me know how it goes.