Ptac153b50am not blowing hot air

You have a Freon leak because all the fittings, seals, coils rubber, compressor seals and entire AC system will need to be checked out by someone that can find the problem and resolve them or you will never get this fixed. A/C in cars get hot in the summer and cold in winter and all the seals dry out. The system needs to have all the air and moisture pulled out before any Freon in charged into repaires A/C unit or the system will not cool properly.That is the only way to resolve this Tammy, Thanks Sea Breeze

sure can, best bet too

If it has dual zone temp. control it is most likely the heater control panel.

your auxillary fan is not working. this fan is responsible for cooling the freon that is being circulated in your cooling system... check if there are any loose wires in front of the engine bay.

the auxillary fan is located right beside your radiator fan.

check to see if the fan is blowing across the condenser. there should be warm air blowing out the back. if there isn't, the fan may need to be replaced so the heat exchanger can cool down. may be running too hot. also check the condenser in the front to see if the air flow is blocked with dust. if so, change the filter if it has one. if there is cool air blowing, the compressor may not be turning on.

1.Temperature gets high if many programs work,specially programs which uses more graphic and processor. Disable/uninstal some un-important program you have installed.
2.Normally Fan processor should be cooling the processor, but sometimes we must check the heatsink, something might blocked the fan to run run faster if system overheat >>> tri clean the heatsink and fan up carefully. you might need an air blows to sucked/blows the dirt inside the heatsink.


[email protected]

You have the system leak tested

Then have it evacuated & leaks repaired
& recharged

It only cools at night because it is low on refrigerant
& during the day it is so hot in the condensor
that it boils off refrigerant before the expansion valve
& doesn't cool the evaporator

No -- you can not add & polute the atmoshpere

I would think there may be air in there also

Can not work on it yourself

if it feels like it's running hot check the coil to see if it needs to be cleaned,remove the bottom kick plate and look at the coil,the coil should be cleaned once every 6 to 12 months,also pull the fridge out,remove the back bottom panel,make sure the condenser fan is blowing and vac out any lint near the fan and compressor,also check the cover that you removed and clean that too.you might want to unplug the fridge while you clean back there so you don't hit the fan blade,wait 5 minutes before you plug it back in so the compressor can reset itself.there are gas lines that run through the frame of the machine,if the coil is jammed with dust and lint the machine runs hotter,this is how it cools off through the condenser coil and the fan blows the air around to help cool it down,if it runs hot then the freon will run hot and you could feel it on the frame and in the strip where the doors close together.you can buy a brush that you can push into the holes of the coil to pull the dust out or if you have a shop vac you can vac out as much as you can and then put it on blow and blow the dust out of the coil,just hit it with short bursts or the dust will blow everywhere.

is there a venting fan, that may be faulty not sending power to heat

Sounds like your Capacitor is bad, or you had a wire burn off compressor terminal or capacitor. Way you can check capacitor is take cover off and see if looks swollen. Make sure to turn off power before taking panel off.