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Ruud upne 036jaz

Fan outside comes on compressor come on start suction line start to sweat and then stop no cooling

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 182 Answers

SOURCE: Ruud Heat Pump

this may indicate you have low voltage but no high voltage.check fuses and breakers.

Posted on Aug 09, 2008

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  • 124 Answers

SOURCE: High Pressure cutoff

YOUR OUTDOOR FAN MOTOR SHOULD NEVER SHUT OFF IN THE AC MODE. IT IS SUPPOSED TO SHUT OFF IN THE HEAT MODE WHEN ITS IN DEFROST. IF THE UNIT IS RUNNING IN COOL AND THE OUTSIDE MOTOR QUITS ,THE COMPRESSOR WILL QUIT SOON AFTER. EITHER THE RUN CAPACITOR FOR THE FAN IS BAD OR THE FAN MOTOR ITSELF IS BAD, IF CAP IS GOOD THEN THE MOTOR IS At FAULT. THE OUTDOOR PRESSURE SWITCH CAN ALSO OPEN IF THE INDOOR FAN MOTOR FAILS IN HEAT OR THE FILTER IS PLUM NASTY in heat OR THE INDOOR COIL IS PLUGGED UP in heat.. THE PRESSURE SWITCH USUALLY TRIPS AT 400 TO 425 SO ITS WORKING CORRECTLY. YOU MAY BE CONFUSING THE ISSUE SAYING THAT THE AIR IS HOT AND COLD INSIDE. IT IS COLD WHEN AC IS RUNNING HOT WHEN HEAT PUMP IS RUNNING IN HEAT BUT ESSENTIALLY not cold or hot if compressor isn't running, but a lot of folks describe the lack of cold air as hot when the compressor isnt running. but it basically is warm or house air temp.you test the capacitor with a capacitor tester or take it to motor shop and let them test it. odds are its a 5 , 7.5 or a 10. it should test within 10 % of rated value . ask for a RESCUE brand replacement motor. they are great ,reversable etc.carefully oil and sand the motor shaft and note exactly where the blade was located in relation to the grill so you get it back just the same. usually they wire up black to a leg of 220 power. white to the other leg of 220 power. brown and brown with white stripe to the capacitor.you can also pull whole fan shroud assembly on some units and take whole thing to motor shop and let them test motor cap, replace and all you do is return to unit and connect two power leads,

Posted on Oct 26, 2008

  • 306 Answers

SOURCE: i have a ruud model

If you have the condenser fan coming on and the compressor is not coming on chances are you are right. But the compressor could be done for. You will have to ohm out the compressor to make sure. Capacitors are cheap so just turn off the breaker to unit and pull the dual capacitor out and replace. Be sure you write down where the wires go as the fan runs off the same capacitor hence the name dual capacitor.

Posted on Apr 12, 2009

  • 221 Answers

SOURCE: I have a ruud achiever 10 model UPKA-018JAZ with

This may be as simple switching the thermostat to electric, under the cover is a gas/electric dip switch. Hope that helps.

Posted on Jan 17, 2010

jumptrout51
  • 3361 Answers

SOURCE: Hi, i have a 11

The start/run capacitor for the fan motor must be checked.
Turn off the power to the outside unit and open the control panel.
Follow the brown wire from the fan back to the capacitor.
Look at the capacitor. If it is bukged out on top it is definitely bad.
Capacitors can be bad and not bulged on top.
It will have to be checked with a capacitor tester or replaced with a known good capacitor of the same MFD value.
If the capacitor is good and the fan does not run,the fan motor is bad and must be replaced.

Posted on Sep 20, 2010

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1 Answer

Unit not cooling inside below 72 degrees lines sweating


how hot is it outside??? 20 degree split is usually the norm ,,,,,outside 95 then inside will be 75,,,,,where is the line sweating ,,, it should sweat near outdoor unit

Jun 02, 2014 | Ruud Central System Air Conditioner

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i would replace its run capacitor first.

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What type of run capacitor do I need for a Ruud AC model UPNJ-031JAZ (outside unit)


Looks like it should be a 35/3 370VAC. If it is not legible on the old capacitor read the data plate on the fan motor and compressor. These should say "uf" or "mfd" rating. Good Luck!!

Apr 17, 2017 | Heating & Cooling

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RUUD uaka-036jaz not cooling, outside fan does not turn on but air handler (in attic) runs and circulates hot air - how to fix and/or reset?


Check your disconnect or breaker that is located close to the outside unit. Next you need to check the contactor in the outside unit. Set the thermostat to make the air come on then check the contactor. It should be pulled in closing the contacts. If it isn't the problem could be the contactor or thermostat. Next check the voltage on the load side with it pulled in. If that's good then check the capacitor. If it looks swollen, it's bad. You can also use a multimeter with the capacitor check function to do this. Let me know what you find.

Sep 27, 2010 | Ruud UBHC Air Conditioner

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I have a Ruud 2 ton split system and the system will not cool. The compressor and fan on the outside unit works and the fan blower on the air handler works too. The temp on the lines coming into the...


The small line coming in from the outside unit should be warm to hot and the larger line should be cool and sweating with water forming on it. I am taking for granted that the unit was working if so it sounds as if the unit is low on freon. your inside coil should be sweating a lot from top to bottom if it is only cool or sweating on the bottom but less to nothing up top you are low on freon. When very low the unit will stop working just like a broken valve in the compressor. If it is just a little low it will not cool properly and at night it might even freeze the inside coil up.

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1 Answer

2.5 RUUD AC not working, power must be getting to the unit.


Have them turn the outdoor unit off and wait a few minutes. When they turn it back on they should here
the fan and the compressor come on. They are to different sounds.

If they think that they have both come on, tell them to check the black insulated suction line. it should at least cold to the touch. If not it could be a freon issue.

If the line does get cold, have them checkthe filter in the house. If that is ok tell them to turn the power off
to the outside unit. Take a garden hose and wash
the outside coils on the outdoor unit,be carefull not to
smash the fins. Wash them at an angle from top to bottom.

Jul 05, 2010 | Ruud Central System Air Conditioner

1 Answer

Ruud unit will not cool below 81


If the suction line is sweating and your air coming out of the registers is around 50deg. and you have condensate dripping from the indoor unit, then the unit is undersized.

If you dont feel any hot air coming out the top of the
outdoor unit,then either the compressor is not operating or you are low on refrigerant

Jun 16, 2010 | Ruud UBHC Air Conditioner

1 Answer

MY AIR CONDITONER HAS JUST STARTED LEAKING WATER,SPLIT SYSTEM DOGS HAVE CHEWED FOAM AWAY FROM COOPER PIPES ON THE OUTSIDE UNIT


if the water is coming from the cooling coil on the furnace or blower package, that means the drain line is plugged. put a wet vacuum on the end of the drain line for a few seconds, that should **** out any residual sediment collected in the drain trap or drain line. if your concerned about the water collecting on the line that is missing the insulation, that is only sweat from the humid air contacting the cold pipe (suction line)and doesn't pose any problem as long as the exposed line is outside. it would be a good idea to reinsulate the line to prevent the sweat and the refrigerant temp from getting too warm . the low gas temp in the suction line is what keeps the compressor motor windings cool and prevents it from overheating and burning up. Don't let the dogs **** on the condenser (outdoor unit) the urine will corrode the fins and you'll start loosing capacity due to higher discharge pressures.

Feb 12, 2010 | Fujitsu Heating & Cooling

2 Answers

Cooling problems


Check the filters inside and the evap coil to make sure it isnt filthy. The evap coil can be cleaned with a credit card if its wet. The large line outside should sweat all the way to the compressor if its got enough freon. Will freeze when its cool outside or not sweat at all if its low. Good luck with it.

Jul 30, 2007 | Ruud UAKA030 Air Conditioner

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