Question about Goodman GMS90703BXA Heater

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Goodman air handler

I am a service tech and trying to help out a friend. He said his a/c is not working. Found the unit is completely out of freon. The leak was on one of the distributor tubes that go from the back side of the metering device to the indoor coil. I replaced the indoor coil and weighed in the charge. My head pressure is now running 150psi and suction pressure is going into a vacumm. In the heat mode the high side goes to 250 psi and suction is around 45psi. I am thinking I have a blockage but cannot figure out where. I checked to insure the new metering device that came with the new coil was the same size. can you give me some more ideas on what to check next.

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  • 95 Answers

A thermo-laser reader will let you know if, and where you may have a resrtiction by giving abnormal, or various temp. readings. Make sure that your filter line drier is good as well. If the drier has not been replaced, i would suggest that first.

Posted on Aug 16, 2008

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Posted on Jan 02, 2017

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1 Answer

Why is suction and discharge lines of Goodman WMC24-1A split ac system freezing up.?


Low on freon, dirty evap, dirty filter or maybe restricted at the metering device

Jul 20, 2014 | Goodman Heating & Cooling

1 Answer

Low to zero pressure on low side test port


150 is low for high side pressure. may have to add more r-22 to system. if you had a blockage high side pressure should be higher. have you turned both service valves at condensor ccw completely?

Apr 20, 2014 | Goodman CKL42AR42 Air Conditioner

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HE heat pump won't talk with old air handler?


The fact is, the air handler supplies the voltage, blower, and electric heat. In order for the heat pump to work correctly, the wiring from the thermostat and heat pump need to be hooked up right to the air handler. The thermostat is what tells which component to come on. If the fan stops, but the condenser keeps going, you either have a faulty fan relay on the air handler, faulty thermostat or wiring, faulty wiring at the heat pump, or the contacts on the new unit are sticking, which is highly doubtful considering it is working now. I hope I have helped you understand this a little more. Good luck and don't let them push you around, get someone that knows what they are looking at.

Jul 18, 2012 | Goodman Heating & Cooling

1 Answer

Goodman/Amana air handler freezing up and not cooling home. What could be causing it?


Hi,
There are two things that cause freeze up's...

Low air flow...

Low freon...

First check the filters, the blower , and the air vents to make sure that the air handler unit can move enough air...not enough air across the coil, the coil gets too cold, ice forms....


The low freon problem will require professional assistance...
For the system to be low there needs to be a leak...the leak must be found and repaired or the fix will only be temporary...
To do this the system refrigerant must be recovered, the leak fixed and then the system vacuumed and recharged...

One other thing....outdoor air temperatures under say 65 F can also cause freezing.... but I am assuming that you are above that if you are running your A/C system.


AirConditioner Trouble - Review the Possibilities

heatman101

May 25, 2011 | Amana Heating & Cooling

1 Answer

Outside unit is running however it is not cooling.I cut off the circuit breaker wait 20 or so minutes and turn it back on and the unit works perfect for a while (no set amount of time ranges from hours to...


sounds like there is a Freon leak and has been since it was installed and is going off on because of low charge, you will need to call a competent A/C repairer, more then likely the leak will be in the air handler, should cost under a $100 to fix. Good Luck Tim

May 16, 2011 | Goodman CKL42AR42 Air Conditioner

2 Answers

Hello, my HVAC is constantly freezing, even after freon is added. I was told that I have a leak in the coils and need to chance the air handler - the outside unit is about 10 years old - air handler about...


Hi,
No you can not use a R-410 air handler with a R-22 condenser unit...the exspansion devices are different as the properties of the refrigerants are enough different that they are not interchangable...
Really your only choice is to replace the whole unit as it sounds like the exspansion valve or the orfice is partially clogged and it makes you constantly freeze up....
There are some things you could do to make it work at reduced capacity but it is way beyond what I could tell you through a computer...

heatman101

Sep 08, 2010 | Goodman CKL42AR42 Air Conditioner

1 Answer

2 weeks ago one of my units stopped working properly. It got warm during the night even though I heard the unit running. I shut it off and called for repair service. They changed the thermostat and it...


sounds like the coils inside the air handler/furnace are freezing up. likely cause is the freon charge is incorrect (probably undercharged). it may have been correct when the tech did the work but some may have leaked out. it is slightly possible too that the system is overcharged. you should have the system pressure verified, and then have it checked for leaks.

Jun 16, 2009 | Goodman CLJ36AR42 Air Conditioner

1 Answer

I have a Goodman A/C unit. When I turn on the therostat the outside fan does not turn though there is a mild buzz sound. The blower blows warm air inside of my house. What could the problem be?


Does the cpompressor come on if not the sound you here maybe the contactor. Check float switch inside. It is underneath the unit or in front of the air handler. Drain stopped up need to blow out drain. Check outside breakers. possible bad capacitor on unit. Need service tech. Rusty

Jun 13, 2009 | Goodman CKL42AR42 Air Conditioner

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