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Ice on lines from compressor ac not cooling - Heating & Cooling

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  • mocharob Aug 03, 2008

    Ice is building up on copper tubes



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Low freon there is a leak in your system

Posted on Jul 10, 2008

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1 Answer

AC compressor clicks on and off while running?


the compressor will cycle on/off when the cabin temperature is reached
the larger pipe will be cold to touch as it is the suction line for the compressor
if you have a problem with the ac ,it will not work the compressor at all and the lines will not get cold
When in doubt take it to an accredited ac specialist shop and have the system check out.

Aug 11, 2015 | 2000 Cadillac Escalade

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Rheem AC raka-030jas. not cooling house. New filter, power to entire system, new batteries in thermostat, condenser coils cleaned, no ice on lines, indoor blower is working, outdoor condenser and fan


Its possible that you have too much Freon and also if the fan in the condenser is coming on you need to make sure the compressor is running too. Some of them are quiet. Grab the line and see if you can feel refrigerant running through them to see if the compressor is running.

Aug 28, 2014 | Heating & Cooling

1 Answer

Air conditioner not cooling properly


there is a thermostat connected to the evaporator under the dash which controls the ac compressor when the cabin temperature reaches the setting . This thermostat can be affected by dirty cooling fins on the evaporator which causes icing of the evaporator and upsets the settings as it will switch off prematurely because of the ice leaving the cabin temperature hot.. I suggest that you have an accredited ac shop look at the problem as it may also be a blocked TX valve in the evaporator.

May 03, 2014 | 2002 Buick LeSabre

1 Answer

Location of ac high pressure cutout switch on a 97 Plymouth voyager. Could it be a different problem? Had to replaced the PCM and a couple sensors because of a short in the wiring cluster. Now the ac...


HIGH PRESSURE CUTOFF SWITCH LOCATED ON AC COMPRESSOR DISCHARGE LINE LEADING TO THE CONDENSOR.THE HIGH PRESSURE CUTOFF SWITCH WILL CUT OFF THE AC COMPRESSOR IF SYSTEM PRESSURE RISES TO HIGH CAUSED BY RESTRICTION IN THE REFRIGERANT CIRCUIT OR OVERHEATED CONDENSOR.MAKE SURE COOLING FAN IS RUNNING WHEN THE AC SWITCH IS ON.THE COOLING FAN KEEP CONDENSOR COOL, IF COOLING FAN DONT RUN.YOUR AC WILL STOP BLOWING COLD AIR.HAVE THE REFRIGERANT SYSTEM CHECK OUT.MAKE SURE YOUR LOW SIDE PRESSURE IS 10 - 37 PSI. THE HIGH SIDE PRESSURE SHOULD BE 112 - 210 PSI. CHECK THE AC COMPRESSOR CLUTCH FUSE AND RELAY.

Jul 29, 2011 | Plymouth Voyager Cars & Trucks

1 Answer

I think my goodman refrigerated air system may iced up. How do I know and how do I thaw it so I can cool my house


Hello, usually the suction line will begin to ice up ( the pipe with insulation on it) if there is a airflow problem or a low refrigerant charge, to thaw it out just turn off the ac and set the thermostat to fan. Now the unit will need to be serviced because if it keeps running this way the compressor can get severly damaged.

Jun 28, 2011 | Goodman CLQ30AR32 Air Conditioner

1 Answer

Temperature in house want go down. Don't know if it's the therostat or ac unit


Most likely the A/C unit if the house doesnt feel cool. Look on your refrigeration lines and check it for icing up anywhere on the line if you have that shut the unit down immediately. That means your possibly low on freon, dirty filter. If there is no ice on the line check the condenser (outside unit) and see if the air is hot which it should be if its not your compressor might not be kicking on. hope this helps

May 10, 2011 | Heating & Cooling

1 Answer

When ac compressor engauges you can notice strain on engine . Shortly after that a line came off condenser with a loud bang.The line that broke goes from compressor to condensor. Now compressor is noisy....


The head pressure got too high on the ac system,when you have the ac compressor replaced,and it`s components,make sure the condenser is flushed out good,and that the cooling fans are working with the ac,they need to come on with the ac,if this was at all helpful,please rate,thank you.

Jul 26, 2010 | 2001 Ford Taurus

1 Answer

Refrigerator running but not cooling


Check list:
fan motors all functioning
Cooling coils free and clean
Compressor cool to the touch
(compressor blazing hot bad relay)
Backside of freezer section frosting up
(bad defrost heater,thermostat,or timer)
Small line from compress is HOT
(cool high pressure line means low charge)
Suction line frosting up (overcharged)
Generic ice box Training manual



May 17, 2010 | Kenmore Refrigerators

1 Answer

My window Ac unit wont cool, I had problems with the cooling element icing over but now the ac wont kick on the fan still blows, and Iv only had this unit for two weeks.


You are low on freon. There is a pressure switch that will not allow the compressor to kick on in order to protect the compressor. The freezing up of the unit is an indication of a leak or air flow blockage.

Jul 07, 2009 | Heating & Cooling

1 Answer

The fan is coming on but the compressor is not.Even after the unit has been off all night (long enough to cool down or ice to melt) the compressor does not come on.


All window unit compressor have a thermal breaker mounted on it. It is to protect it from overload. On a hot summer compressor work harder to keep us cool. Sometimes this thermal breaker fails for good. Unplug the ac. Open it, on the compressor there is a bulging thing sometimes cover with rubber. Thats the thermal breaker. Check its continuity. If you don't have an ohmeter, just byspass the two terminal of the thermal breaker with wire. Plug it in, but be carefull, turn on your ac. The compressor should come on.

Jun 27, 2009 | Fedders AED24E7F Wall/Window Air...

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