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If this is a heat ump or electric heat check to see if heat strips are stuck on. Put amprobe on main wire to air handler when running. Very common problem. Rus
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Depending on the age of unit either filter blocked needs cleaning or freon low is fan blowing do you have outside of unit clear of obstacles these are all things to check also remember if it's 100 outside AC will only drop air temp 20 or so degrees
Hi, Yes... if you are just seeing the temp. rise intermittently then it is related to the defrosting of the coil... a necessary evil that needs to be done periodically...
As long as the temps. drop again and do not stay up long term... (over 40 minutes) I would not get alarmed...
No it means you 50 degree one is working better than perfect. Clean the one that is only getting down to 60 degrees but remember if a unit is dropping the air temp by 20 degrees its working fine. You ck this by cking the air at the intake where the filter is say temp is 80 degrees and then take a reading at a discharge vent where the cold air comes out if its 60 you have a 20 degree drop and that is considered good. If the unit was low on freon the unit will freeze up (ice will form on the inside coil).
Your air temp should be at least 20 degrees cooler than the indoor air temp. This is ideal. But it sound like your unit is low on freon. When units get low they will freeze up. They will also freeze up if air flow is restricted on the inside coil or the fan quits on the external unit.
condenser fan won't come on. solution check the capacitor if good ohm out the fan to see if it is bad. If bad replace fan motor with new one.
2. compressor will not come on. solution check the contactor to see if engaging this applies to problem 1 also. If engages check the capacitor on the herm side if it is bad replace. If good check compressor to see if the compressor is bad. Should it be bad replace compressor.
3. High head pressure not cooling properly dirty condenser coils. Clean coils. With hose and water.
4. Low head pressure frosting accruing on suction line. Check freon levels. Also check inside air filter for being dirty.
5. Condenser unit is failing to come on. solution check the power source check the contactor should the main power be bad check main breaker and replace any slow blow fuses that are bad. Should the contactor be bad check transformer to ensure 24 volts going to secondary side on contactor. Inspect the two wire going to outside unit condenser. replace any broken wire any bad transformer or bad contactor.
undersized is just that...you and I got taken to the cleaners.but i did put an adjustable vent in the cod air return vent duct next to the floor...it helped mine but i say some installers should.....well you know
I have the same problem. I have had the unit less than a month. Haier's policy is for me to pay $14.99 so they can send me another one. What a huge ripoff.
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