Question about LG LSC091PMA Split System Air Conditioner

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Thermal shutdown I have had three servicemen work on my A/C. They say it just gets too hot and shuts off. That it is supposed to do that. Do you have any suggestions

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Its getting hot for a reason and its not suppose to do that. Sounds like they are saying the compressor is getting thermally hot and shutting down? hAVE YOU CLEAN THE CONDESNOR COIL ON THE OUTSIDE? yOU CAN TAKE A HAIR BRUSH AND GO UP AND DOWN ON THE COIL TO CLEAN IT AND USE A WATER HOSE TO WASH OUT THE DIRT. tHEN ON YOUR AIRHANDLER IN THE HOUSE CHECK YOUR EVAPARTOR COIL AND SEE IF IT DIRTY AND CLEAN IT WITH THE BRUSH AND GO UP AND DOWN ON THE COIL AND CLEAN IT YOU CAN USE A SQURT BOTTLE OF WATER TO CLEAN IT. nEXT CHECK YOUR BLOWER FAN THE SQUIRREL CAGE TO MAKE SURE ITS CLEAN. AND IF NOT CLEAN IT. iF THIS DOES NOT CURE IT THEN IT IS A PRESSURE PROBLEM WTH THE FREON.

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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How can I fix thermal shutdown of Acer b1-730?


Could be the CPU needs new thermal paste and reseating.this is usually a fail safe designed to protect the computer when the CPU is getting too hot.also check the cooling fan ......blocked vents as this may also cause overheating issues thus not cooling the internals which will activate thermal shutdown.

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Most of the time its just bad (thermo disk) thermal shutdown as you call it. If you dont have any hot water at all just unplug the two wires on that disck and stick them together,this bypass that disk. then have somebody turn on the hot water while you watch the heater for any problems. Let me back up just a little.
Before you do that you must know if its tripping while the water is flowing through the heater if it is then its a weak disk. If it trips a few seconds after the water is shut off then for some reason(usually a bad circuit board) the element is not shutting off and over heating the disk. That means the disk is doing its intended job. Do not bypass the disk ifit trips after the hot water is shut off at a faucet.

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Random shutdowns


It is either running hot or you have a virus or infection.

Sounds like it might be running hot. If it is running hot it shuts off to keep from damaging the motherboard.

If it is running hot it will boot up to windows and let you do things as long as it is cool, but when it gets hot it will shut off and not boot up again until it cools off. That's a sign that it is running hot.

Three things that will cause it to run hot.
1) Dust. Dust in the vents, inside the computer, clogging the fans and dust around the cpu and heatsink.
2) A fan that has stopped working.
3) The Thermal Paste around the CPU and Heatsink has dried up or is too thin to keep the unit cool.

To fix either of the three would require taking the laptop apart. However you could buy a can of compressed air and blow out the vents, but this just pushes the dust inside the computer, but it might work.

If it is not running hot then you have a virus or infection that is shutting it down. Download and install MalwareBytes and run a Quick Scan.
Go to www.google.com and in the search box type:"Download cnet Malwarebytes" (without the quotes). Download andinstall malwarebytes from the sites download.cnet/malwarebytes. When the site opens up click on the Green Download button on the left. Do not click the Red Download button, that's junk. When it finishes installing the Gui Interface will open up with an offer to Accept a Trial Version or Decline. CLICK DECLINE you want the totally free version. Run a QUICK SCAN. As it scans, if it finds infections the number will be in red. When it finishes scanning, click SHOW RESULTS. A notepad text document will open up showing you the results. You can close the text document and go back to the Gui Interface where you will click REMOVE SELECTED RESULTS. The objects will already be selected for you. When it finishes removing the objects click ok and it will sometimes reboot your machine.

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Yamaha rxv1600 speakers keep cutting in and out when i turn the volume loud


The most likely cause is the audio output semiconductors gets to hot, or bad solder connections, but if you run the volume at half to three quarters the amp will start to clip drawing more power from amplifier the outputs will go into thermal runner way causing a shutdown.

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1 Answer

Have a Technics SAAX720 that shuts off fifteen minutes turning on power. Gets very hot quickly


Heat = power or FAULT, in your case I assume you have checked the vents are clear.
If its getting too hot the thermal shutdown will operate to protect the unit and the area around it. These things have the ability to cause fires as they have big power supplies inside, thats one of the reasons why they have thermal protection. Also exposure to heat damages equipment over time.

Maybe try this take it out give it lots of airspace, make sure the connections are all good and try it on low level, if it shuts down again you need to take it for repair. These items are very complicated and require specialist attention.


Hope this helps
Thanks for using FixYa


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1 Answer

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The socket for fan power on the motherboard is usually white and has three metal pins. If your fan connector does not match this socket I would suggest buying a fan that does have the proper connector. A lot of fans are attached to the heat sink with four screws so it is not a difficult thing to replace. This should be done ASAP before the processor burns up.

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Hp laptop random shutdown - overheat?


Your CPU is likely overheating. Very likely the thermal conducting material between the CPU chip and the heatsink may have shrunk and now impeades the thermal transfer.
You may need to remove the heatsink and put new thermal paste and perhaps copper shim to restore the thermal contact to the heatsink.

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My toshiba tecra s2 shuts down abruptly. possibly a thermal shutdown as i find the base and the air outlet unusually hot


Most likely...computers are designed to shutdown if the processor gets too hot to prevent damage to the processor and/or motherboard.

Thanks and please take a moment to rate as fixya. Thank you.

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1 Answer

CPU fan stops, computer shuts down


You must have the CPU fan plugged into the CPU fan power connector or the system can not monitor the fans speed. Your PC will shut down & give you that message. (The fan must be connected to the correct power plug).
If when you did replace the CPU's fan & had to remove the heat sink, which is where the fan screws into & did not clean the old thermal grease off the CPU & heatsink & replace with new thermal grease than your CPU will still overheat. If you add thermal grease over top of old thermal grease your CPU will over heat.
This is all a balancing act. If any one is not correct your system will shut down. (This is better than killing the CPU).
To remove old thermal grease use a clean cloth damped with house hold alcohol & use the same on the bottom of the heatsink. Please allow plenty of time for the alcohol to dry.

Good Luck! Take your time.
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1 Answer

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What you have not indicated is whether it shuts down or restarts. If the laptop restarts then it is possible that the processor is a celeron and there is a problem of a overheating. If you are sure about all software issues be alright, I suppose you get a new fan. At times after a fan has gone weak, regardless of the contacts it has with the processor, it will still not cool; but it also be good to check the processor temperature if its goes over 60 degrees. good luck.

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