Question about Friedrich QuietMaster Deluxe RS12L10 Air Conditioner

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A/c my a/c comp. is not running , only the fan

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  • ytnoma Jul 26, 2008

    The thermostat switch was bad.

  • tama samoa Feb 06, 2009

    My problem is the circuit breaker opens when the compressor come on to cool. I have no way of checking the capacitor but, it looks fine, no deteriation or loose, burnt wires... Any suggestion? PS I need some ideas...


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Posted on Jul 22, 2008

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Muz series led flashes twice

58 volts is not enough to run a compressor either your meter / reading is wrong and there should be no voltage on compressor terminals when disconnected .

Nov 22, 2014 | Heating & Cooling

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Uaka 024JAZ condensing unit comes on, fan and compressor start up, fan remains on, compressor shuts off in appx 1 min , pressures appear to be headed to normal op range. I did not see a run cap for this...

This unit uses a dual run capacitor. There is no start capacitor involved.

The dual run capacitor is possible weak, also check all the electrical connections for tight fitting connections with can cause motor/compressor overheating.
To test a capacitor properly you need the proper test meter capable of reading uf readings(within 6% of the stated rating on the capacitor) "C" common to "F" fan and "C" to "Herm" terminal, the higher rating for compressor and the lower for the outdoor fan. [(example= 25/3uf 370v) 25uf=compressor, 3uf=fan motor.]

Oct 01, 2011 | Ruud UBHC Air Conditioner

1 Answer

Ive installed a new capacitor on my 3ton unit,now the breaker keeps flipping.I think i may have my capacitor wires cross! please help!!!!!!!

A cap for just the comp, one wire form the contactor to the cap and the other wire to the comp, there should be a wire diagram. if it is for the fan and comp it will be lable fan,com,comp. one wire3 from the contwctor to common, the fan wires one to common and on to the fan side. The last on for the comp

Jul 18, 2010 | Goodman CLQ36AR49 Air Conditioner

1 Answer

If the fan and compressor are both running and no cold air

are you sure the compressor is operating,can you hear it cycling over the noise of the fan???if its not its probably got one of 2 things wrong,rapid cycling or no comp operation: low refrigerant, no start condition: capacitor or contactor

Aug 02, 2009 | Haier HWR10XC3 Air Conditioner

2 Answers

A 5 ton condensor 12 year old drawing about 33.3 amps it's tripping 40 AMP RATED BREAKER. i't cooling kind of o.k. when it works blowing a temp of about 58 degrees with 95 ambient.

33 amps sounds high, try amping out the compressor by itself then compare to nameplate FLA for it. Make sure the condenser (outdoor) coil is clean, between the fins too, and make sure your fan is running ok while comp is on. Sounds like the bearings in the compressor are giving you problems, A high amp draw on the comp will tell you that. If the comp bearings are bad, you should check your charge, make sure your filter, indoor coil and fan blades are clean, those being dirty can cause a situation where liquid refrigerant gets into the comp, causing big problems.. If you do find the comp bad, I suggest you get a new one lined up before you are stuck in a hot house.
Good Luck

Jun 12, 2009 | Goodman PHKJ048-1 Air Conditioner

1 Answer

Fan on outside unit will run for a while and then will shut down but inside will stay running already cleaned coils on comp can motor on outside be going bad

look at wires if only two on contactor and one on capacitor then motor going bad hard or rough to turn not sure on this model but some units have a fan cycle switch that would bring on fan

Jun 10, 2009 | Ruud Central System Air Conditioner

1 Answer

Blows low volt fuse comp and cond fan wont run only supply fan runs

you check the fan motor and the compressor winding and terminal you have a short

Apr 27, 2009 | Heating & Cooling

1 Answer


verify that the contactor rely is closing. if not possible low or high pressure switch has tripped. some are push button resetable some not. does the outdoor fan run?

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