Question about LG LSC121PMA Split System Air Conditioner

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Heat Pump Reset Button

I have to constantly hit the reset button on my heat pump. Once I hit the button it will run for 20 mins and then shut off again.

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If running in heat check indoor air filter if in cool wash out outside coil with garden hose make sure fan is not overheating and shutting down.

Posted on Jan 08, 2008

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Posted on Jan 02, 2017

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2006 Ford Expedition blowing Fuel Pump Relay fuse


Try resetting fuel pump. I do believe the reset button is on the forward passengers side of vehicle. The button is behind the plastic shield. Reset once or twice. This hopefully will fix your problem. Look in your manual for exact placement of fuel pump reset button

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Super hot here in the 110 area yesterday the pump just stopped running hit the high pressure reset ran about 15-20 min did it again once it cooled off in the evening no problems till today when it got...


Clean the out door coil, take a garden hose to it, and be thorough. A dirty coil can not reject the heat and will shut down. You should clean the indoor coil as well just watch that water stays out of the furnace.

Jul 08, 2011 | Heating & Cooling

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I have a 6 year old Rudd heat pump.The AC would run for a while and the compressor would shut down until I pushed the reset button.An AC contractor came out and looked at the unit and bypassed the reset...


The reset button that he is talking about is probally the high pressure manual reset. There are reasons that this can trip.
1. Dirty condensor. 2. Condensor fan motor not up to par. 3. A liquid line dryer that is partially blocked. 4. A metering device that is not feeding right. If he verified all these and it still tripped maybe a bad switch. Anyways, with it bypassed what ever problem that is causing it to trip is still there and will get worse and the compressor will burn up and he will come and put in a brand that he likes. Hope this helps.

Jun 01, 2011 | Heating & Cooling

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Where is the reset button on an Amana ASZ14 unit?


I don't think the Amana ASZ14 Heat Pump has a reset switch, but you can still reset it by resetting the power (when it's not running... turn your thermostat OFF first).

To reset the power, locate your circuit breaker box. There should be a double-breaker for the Heat Pump and another double-breaker for the Air Handler. Turn them both off for at least 2-3 minutes. Then flip them back on and turn your thermostat back ON.

You're thermostat may also have a RESET button that you can push. I have to reset mine every time I change the batteries in it.

Here are some more repair tips...

Heat Pump Troubleshooting & Repair:
http://www.hometips.com/repair-fix/heat-pump.html
Heat Pump Troubleshooting Repair

Amana ASZ14 web page:
http://www.amana-hac.com/products/heat-pumps/14-seer-asz14
ASZ14 Heat Pumps

Amana ASZ 14 SEER Technical Manual
(45-page PDF):
http://www.manualslib.com/manual/877256/Amana-Asz-14-Seer.html
Amana ASZ 14 SEER Technical Manual

Amana ASZ (and ASX) Service Instructions (66-page PDF):
http://www.acdirect.com/media/catalog/files/RS6200006.PDF

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My heat unit will not blow hot air unless we go outside and hit a button on the back bottom of the unit. Once we do that it will blow hot air for that cycle. when it is time for it to come on it is cold...


If it does not have a furnace or heating elements for heating, then it is a heat pump, which is rare for a central AC system, but makes sense of the fact that it blows warm air when you reset the pressure switch, which may indicates freon pressure charge problem if your AC system has a reverse valve and uses freon to for heating (heat Pump).

Do you get heating when outside unit runs? if you do, check freon pressure levels and top up to required pressures. The button you depress is a pressure reset switch ... that is if your AC system is a heat pump ... which, as pointed above, it is not common for central ACs.

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Ruud Achiever 10 heat pump - outside fan won't shut off


Definately get this checked out. Some thing has shorted just enough to let voltage "Feed back" and keep the fan running. Could be capacitor, wires rubbed through each other, etc. A reset is a safety that is used when there is an overcurrent or over pressure situation. No reset set for this situation.
There is always an outside chance that if you touch the unit while standing on wet ground, you may get shocked. I firmly believe that something is allowing power to the fan in a feedback condition so don't let this go as it may cause damage to other parts.

Good Luck and let me know how you make out on this.

May 11, 2009 | Ruud UBHC Air Conditioner

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Fan running constantly in the house


Check t-stat and make sure fan is set to "Auto", that might be why fan is running all the time, or it could be a fan relay that is stuck closed. It sounds like you A/C is over charged or you have a bad high pressure switch, this was a common problem with this manufacture especially in the heat mode.

Apr 24, 2009 | Ruud Central System Air Conditioner

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Fan is still running in house constantly


Check your wall thermostat to make sure the "fan" switch is in the "auto" position. If it is set at the "on" position, the indoor fan WILL run continuously. Not really enough info as to what type of split system you have. Gas? Electric? Heat pump? Oil? Wood? Newspapers? See what I mean? Is it variable speed? Do you have a "special" thermostat for certain operations? Does your system incorperate inverter technology?

Apr 24, 2009 | Ruud Central System Air Conditioner

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Ruud 12 seer heat pump not heating


It sounds like the unit is tripping off from high pressure. Check you filter and indoor coil. You may have low air flow inside that is causing the refrigerant pressure to be to high.

Mar 22, 2009 | Ruud Central System Air Conditioner

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