Question about Ruud UAKA042 Air Conditioner

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My Ruud outside condensing unit fan does not run. no cooling

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  • 59 Answers

Bad Fan Motor or Cap. Or no Power

Posted on Dec 19, 2010

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Posted on Jan 02, 2017

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  • 116 Answers

SOURCE: The outside unit on our Ruud heat pump won't turn

first look for red button neer the copper line set if has one push it second inspect thermostat wires for weed eater damage check disconnect for fuses check breaker at main panel pull disconect and remove cover check stat wire connections look at the capacitor if swelled up on top bad if all look ok put disconect in using insulated object manually push in contactor if unit comes on check for 24 volt ac on yellow stat wire to common if none stat wire could be loose at indoor unit or stat bad hope this helps you

Posted on Jun 06, 2009

farfield
  • 462 Answers

SOURCE: ruud UAKB-018JAZ outside condensing unit will not run

Trace the wires (small cable) going to the out door unit. This is your 24v control circuit. when it enters the outdoor unit it ties to wires routing through the inside of the unit trace these down. For AC units 1 usually goes directly to the "contactor" (the item you push in and the unit runs?) the other wire can also go to the other side of this same item. But I suspect it goes through other tings before it finally gets there.
Some items are the high and low pressure switches and a delay timer.
A red button sticking out where you can reset it is the high pressure switch and if it clicks and lets it come on you may have a dirty outdoor coil or a fan motor outdoor that is not operating all time.
A low pressure switch has no reset normally on AC or HP.
A delay timer will have 2 3 or 4 wires depending on the type of timer. 1 of these wires goes to the contactor (usually) and one of them feed this wire. remove the wire going to the contactor. now 1 at a time take the other timer wires and touch them to the wire just removed. if the times is bad the contactor will click when you touch one of them with the removed wire.

If its a heat pump you will have to make the contactor try to come on around the board. and this you will need some knowledge on which and what feeds your contactor. Here Id suggest a technician. If I had a way to see your setup and wiring I could talk you through this but its too hard to type and would take way too long.

Posted on Jun 27, 2009

  • 235 Answers

SOURCE: 1990 model RUUD AC unit. Fan runs, no cooling

Is the outside unit running? Fan and compressor?

Posted on Jun 30, 2009

panilling9
  • 284 Answers

SOURCE: I have a RUUD Achiever 11 and the outside fan does

depends on the condition of the unit and if the condenser fan motor is the only problem?
whoever told you that you need a condenser he or she needs to tell you why and point out the issues with what you have seems to me.
to answer your question it would be yes to the fan motor vs.condenser

Posted on Jul 05, 2009

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Ruud ubha-21j00nuaa


Can you see the condition of the coil itself? If it is blocked this could be a cause for the frozen coils. Also, check the condition of the blades on the indoor fan. Dirt and dust accumulation on the blades reduces airflow.

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you have condenser issue. check at outside unit for 240 volts to contactor and 24 volts to contactor coil.

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The furnace is running but there is no cool air. I change my filters every month and I flushed out the water lines last month.


flushing out water lines do you mean condensate line coming off the furnace that drain to the outside. is the condensing unit outside running when u have it in cooling mode. by condensing unit I mean the unit outside that has lines that run to the inside. does that turn on when u have it in cooling. the unit outside have two components that should turn on the outdoor condenser fan and a compressor.

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Ruud unit the fan will not turn on for the "cool" setting, but will turn on for the "heat" setting, any ideas of potential issues?


Hello, does the outside condensing unit start when the thermostat is set to cool? if so, the relay on the integrated control board is bad and the board must be replaced. If the outside unit does not start then most likely the thermostat is bad.

Mar 21, 2011 | Ruud Heating & Cooling

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I have a RUUD Achiever 11 and the outside fan does not come on, and house won't cool. Was told I need a condenser unit. Perhaps I'm overly skeptical, but wouldn't replacing the fan be an easier (and less...


depends on the condition of the unit and if the condenser fan motor is the only problem?
whoever told you that you need a condenser he or she needs to tell you why and point out the issues with what you have seems to me.
to answer your question it would be yes to the fan motor vs.condenser

Jul 05, 2009 | Ruud UBHC Air Conditioner

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1990 model RUUD AC unit. Fan runs, no cooling


Is the outside unit running? Fan and compressor?

Jun 29, 2009 | Heating & Cooling

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Ruud achiever 10 seer air conditioner


It sounds like your condenser fan motor may be locked up or the capacitor that helps give the condenser fan motor a kick to get it started may be defective. Try turning your system on and using a long screwdriver try to push the fan blade on the condenser fan motor to see if it will run normally if you give it the starting boost it needs.If it does run at full speed and doesn't over heat or start and then slow down then you probably only need to replace a simple 10-12$ capacitor. If it barely turns, makes an odd humming sound or overheats etc. then you will have to replace the condenser fan motor. This is assuming that the outdoor condenser has the 220v supplied and the 24v supplied to the compressor relay, that the compressor relay is engaged and suppling 220v to the condenser fan motor.

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