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Ge 220 AC window unit model AEW18DMG1, compressor starts then kicks off in about 90 seconds with code "EP" on disply. Whis is code "EP" ?

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Posted on Jan 02, 2017

  • 142 Answers

SOURCE: AC does not cool. Compressor kicks on and off (Humms when trying to start, electrical smell)

There are a couple possibilities:

1. If this is the first time you've started them for the season, one of the compressors might be seized up from sitting over the winter. In which case, new compressor required.

2. If you've just had the compressor serviced including recharging the system, it's possible that the system is simply overcharged. This will stop the compressor from working and giving you the same symptoms as above. If this is the case, you should have the service people come back with some guages and recover some of the refrigerant and the compressor should be fine.

3. If the unit has been sitting and there is a slow leak then there is not enough pressure in the system to allow it to run. The compressor will shut down if there is not enough pressure, but since you say there is a smell, i really doubt this is the case.

Most likely it's #1 or #2 above. If you haven't had it serviced recently, then yeah, it sounds like you're in need of a new compressor.

Good luck.

Posted on Apr 16, 2008

  • 54 Answers

SOURCE: 2 problems.. AC Comp cuts out. And Fan will not stop.

Unit#2 -Sounds like the contacts on the master switch are welded closed or the switch is broken, Replacing the switch should fix this unit.
#1 is a little more difficult to diagnose. The compressor is being taken off line by a circuit that protects the compressor from damage either; 1- liquid refrigerant getting back to the compressor which can be caused by something as simple as a clogged return air filter or evaporator coil on a heat pump or 2- overload situation caused by a bad condenser motor or a clogged condenser coil. The first thing you need to do is clean both coils and replace the filter,. Then check to be sure your getting good airflow across both coils. I think it's most likely an airflow issue I hope this resolves the problem GL!

Posted on Jun 12, 2008

  • 2 Answers

SOURCE: Compresser will not kick in and there a electrical smell

Sounds like your start capacitor may have gone bad. If you remove the shroud, there should be an access panel for the electronics. In there, you'll see one (or two) cylindrical parts with wires coming out the top. If one of them shows signs of something coming out of it, it's probably your start capacitor and it needs to be replaced.

You can view the installation/service manual for DuoTherms here at Bryant RV.com (it's a 3MB PDF file, so download with care). Look on page 28 for info on the capacitors.

Posted on Oct 13, 2008

  • 659 Answers

SOURCE: Duo Therm compressor tries to start and kicks out

I don't think these little units have a start capacitor but what I would do is check that the on/off switch wires to make sure they aren't loose. Also check the wires to the compressor for loose wires as well. It is possible that these are the first signs that the compressor is about to fail. They also can act up some when they haven't been used for awhile and then you try and start them up. Try running the unit for a few hours without asking it to cycle. It might just be a sticky valve.

Posted on Apr 13, 2009

  • 1 Answer

SOURCE: outside ac compressor not kicking on when ac turned on

Most of the time the capasitors are bad but it could be that the commpressor is bad or if it is a heatpump the low pressure switch could have it locked out or the contactor could be bad also

Posted on May 02, 2009

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1 Answer

My ge AEW18DMG1 window unit shows an error code EP. What does it mean?


GE EP code is main compressor sensor.
Check damage to the temperature sensor
Sensor Cable left side yellow.

My airco got visited by a rat and damaged the wiring.
Cut it rejoined and code 32 changed into temperature.
You need the sensor. Just joining the cables will issue 99 and it will cut off and change into 32
You need a working sensor.

Jun 01, 2012 | GE Air Conditioner Main PCB - WJ26X10241

1 Answer

I have an GE air conditioner with ''EP error code, and compressor stops.


GE EP code is main compressor sensor.
Check damage to the temperature sensor
Sensor Cable left side yellow.

My airco got visited by a rat and damaged the wiring.
Cut it rejoined and code 32 changed into temperature.
You need the sensor. Just joining the cables will issue 99 and it will cut off and change into 32
You need a working sensor.

Jul 01, 2010 | GE Heating & Cooling

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My ge ac model APE07AHM1 is not blowing cold air. What could be the problem?


This is an old question, but I am having the same problem with APE07AHM1 that I bought second hand. I'd like to recharge it.

The answer by binev_78 seems to be for outdoor AC compressor units but this is a portable stand alone unit, no outdoor unit.

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Kenmore AC Model 25370156000 keeps shutting off and on by itself


If you have just installed this unit in your window for the season, you may want to wait a day or so, for everything in the unit to settle, and try again. You make have shaken it up a bit too much. If not.....sounds to me like it is kicking out on high head pressure. This happens when refrigerant gets too low, or there is air in the refrigerant system. There is nothing you can do to solve this problem, except take it to a repair shop. If I am correct what happens is you turn the unit on, and the fan and compressor start simultaneously, then after a few seconds (maybe up to a minute) the compressor kicks off, and the air gets warm, then the compressor kicks on for a few seconds, and we repeat. This is actually a safety mechanism for the compressor motor so it does not run without refrigerant. (That would destroy the pump.)

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AC/Heatpump units cycle numerous times blowing ambient air.


If the compressor never kicks in, I would check the start capacitor, thermostat and the compressor windings. Most times the start capacitor is defective. Some window air conditioners the fan will run while the compressor stop through the thermostat switch. If the thermostat switch is bad every thing runs except the compressor. Let me know, Thanks, Sea Breeze

Feb 07, 2009 | Dometic Rooftop RV Air Conditioner

2 Answers

Ac compressor not working


This unit is a 220 volt ac unit. 12-2 wiring is usually for 120 violt circuits?
  • Amps: 22.2 / 20.0
  • Watts (Heat): 4900 / 4000
  • Watts (Cool): 1650 / 1625
  • Amps (Cool): 7.7 / 8.3
  • Voltage Rating: 230V / 208V 60Hz
  • Power Cord Length: 5' (6')
  • Horsepower (Cool): 2.49
  • Plug Type: LCDI 6-30P

  • http://www.frigidaire.com/Home-Comfort/Air-Conditioning/Window-Mounted-AC/FFRH1822R2

    hope this helps?

    Jun 05, 2017 | Frigidaire Heating & Cooling

    2 Answers

    AC does not cool. Compressor kicks on and off (Humms when trying to start, electrical smell)


    There are a couple possibilities:

    1. If this is the first time you've started them for the season, one of the compressors might be seized up from sitting over the winter. In which case, new compressor required.

    2. If you've just had the compressor serviced including recharging the system, it's possible that the system is simply overcharged. This will stop the compressor from working and giving you the same symptoms as above. If this is the case, you should have the service people come back with some guages and recover some of the refrigerant and the compressor should be fine.

    3. If the unit has been sitting and there is a slow leak then there is not enough pressure in the system to allow it to run. The compressor will shut down if there is not enough pressure, but since you say there is a smell, i really doubt this is the case.

    Most likely it's #1 or #2 above. If you haven't had it serviced recently, then yeah, it sounds like you're in need of a new compressor.

    Good luck.

    Apr 16, 2008 | Dometic Rooftop RV Air Conditioner

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