Question about Friedrich QStar SQ05J10B Air Conditioner

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Q-Star Compressor We have a 12 year old Q-Star. The compressor comes on for only a minute or two, leaving the room without effective cooling. It only cycles on about once an hour and not at all overnite. The temp control lever is almost all the way to the right.

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The compressor just seized, so I just bought a new much more efficient unit.

Posted on Jul 30, 2008

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Posted on Jan 02, 2017

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Hello,I defrosted my electrolux chest freezer and now problem is power is on but not freezing,alarm light keeps coming and keeps bleeping every 2 minutes and goes off and on


Is the compressor running? if it is running, but there is no cooling, it is time to buy a new freezer.
If the compressor is NOT running, I would suspect the compressor start relay.
How did you defrost it?

Jun 09, 2016 | Electrolux Frigidaire 14.8 cu. ft. Chest...

1 Answer

Why cools the ac only 1 hour full power and never reaches the set-point temperature ?


check that all the doors and windows are closed as ac units do not work well when trying to cool the world
is the ac unit too small for the room size
I suspect that because it is working the problem is outside the ac control
is the inside fan working and blowing out cold air

May 22, 2016 | Heating & Cooling

1 Answer

How much more efficent is this than my 40 yr old janitrol 125000 btu beast


not knowing what you are replacing it with, it is hard to give a reasonable answer ( old sealed units against split system converter ac units )
However if you work along these lines, you will come to a logical decision
First off the old machines had the compressor operation tied to the thermostat setting so the compressor ran full blast until the room cooled to the set temperature. Then it stopped and remain stopped until the room heated up. At this point the compressor restarted and that is the point the the most power is consumed
again it runs full blast until the room again cools and switches off
So you can see that you have a varying room temperature and high energy consumption on start up
Now compare that to inverter units
The compressor is running all the time ( no high energy start ups every 10 minutes or so) but the compressor becomes less efficient as the room cools down
Still running at full rpms but the controls reduce the compressing action--less power to run the compressor--so there is a reduction in power used
The temperature variation is reduced because as the room warms a bit the compressor pumps a bit more gas and doesn't start at full load as per the old unit
Next , the latest units have better temperature / humidity recognition controls so they can be set at night so a room maintains an ambient temperature /humidity so that as the night gets cooler and the air drier you don't wake up freezing
It will even get to the point where you wonder if the unit is working
Lastly you can run the unit at a much higher setting ( 27 Degrees c instead of 24 or less and have the same comfort level as at 24-25 degrees c)
lastly warranty is for 2 years at best and parts will be available for the next 10 years against parts for your old unit

Mar 21, 2016 | Heating & Cooling

1 Answer

Carrier 38CKC036 compressor will not cycle after initial run.


Does it have a low pressure switch. It sounds like it is a pressure switch issue

May 16, 2014 | Carrier 38CKC036 Air Conditioner

1 Answer

Aircon stops after few minutes without having the room cooled the correct temp.The compressor does not start .We have to wait for a long time after shutdown and restart for it to cool again. If not


Most possible reason in this case is defective compressor(it overheats),or not enough freon in the system. Solution 1.change compressor;2.Recharge the system with freon.

Apr 02, 2014 | Carrier Heating & Cooling

1 Answer

Heat pump compressor wont come on in heat mode, works fine in cool mode, we get heat occaisionally for about 2 min, then the compressor shuts off. it is a fridgedaire window unit.


Try setting the thermostat at a normal heat setting. By raising the temperature too high the unit thinks that the heat pump won't be effective and go into strip heat mode.

Nov 17, 2013 | Frigidaire Energy Star Room Air...

1 Answer

My 12 year old Whirlpool 167cm Free Standing Fridge Freezer has stopped working. There is still power to it, since the light comes on in the upper fridge compartment? Has the compressor gone? Coventry...


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Is the compressor motor running.If no check starter/overload relay.
Check to see if the condenser fan at the back underneath near the compressor is running. If no check fan.

Are the condenser coils near there warm or room temp. should be warm


How to check stuff>
http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php

Jan 10, 2010 | Refrigerators

1 Answer

Maytag M6Q10F2A window A/C unit about 4 years old


buy a new effecient A/C

I had the same problem but it was my bedroom one so I swapped out my living room A/C into my bedroom and put the new one in the living room.

Jul 17, 2008 | Maytag M7Q08F2ACOM Air Conditioner

2 Answers

Thermostat ?


The Air conditioner are good only the adjustment of thermostat are the problem, select the thermostat in lower #3 you observe the thermostat will off in such time temperature reach to #3 If you full adjustment the compressor will not off.
In fan selector the compressor will autamatic off because no connection attached fan only .

Jan 05, 2008 | Kenmore 73089 Air Conditioner

1 Answer

The compressor only works about 15 minutes


This unit could very well be over charged with gas and when the unit runs for about 15 mins. the pressure gets too high and cuts off on high pressure if your system does that so many times the compressor will get hot and shut off on internal over load, And will not come back on till it cools down. .... Or you may have a kink or restriction in your refrigerant lines somewhere... this would cause your compressor to also run hot and cut off on internal overload.

Oct 15, 2007 | Heating & Cooling

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