Question about LG Refrigerators
We have a problem with our LG GR-642AP fridge. The fridge seems to cut off and the display says "H". The freezer is still working fine but the fridge is still not cooling as it should be. The fan inside the fridge is works for about 18 sec & turns off.Tried turning it off until all traces of ice has gone from the freezer. After turning it on, the display just turns on & off as usual. Any help is greatly appreciated.
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Posted on Jan 02, 2017
Sounds like your Defrost heater is burned up. It is located in the back of the freezer compartment behind the lower cover. Look at the base of the condensor. Two screws hold the heater and two wire connectors. The heater is in a glass tube. Measure continuity from one end to the other, you should see a few ohms. if it is open, your heater is definitely burned. I got a good deal on a replacement heater on Ebay. I think it was $17 including shipping. The heater being bad will cause major frost buildup in the back of the freezer and stop the Ice maker from working and damage food. Be sure to thorougly dry the freezer compartment prior to putting it back in operation. If too much moisture is present, the new heater will evaporate the moisture into the Ice dispensoer motor and solenoid that swtiches from crushed to solid ice. Hope this helps. it has nothing to do with your problem, but please Check out my website www.playstationclinic.com
Posted on Sep 25, 2007
Turns out a CF ER is a Compressor Fan problem.
Had a look and the fan was not turning, although it spins freely. Apparently it's a 3 phase 12v fan. I was able to get a resistance measurement across it but didn't know what to expect.
This also explains why it seemed a bit quieter and why the water is a bit warmer sometimes. The valve for the water dispenser is right beside the fan and it's getting pretty hot in there at the moment.
Posted on Dec 09, 2008
i have the same fridge there are 2 screws down the bottom one is behind a round plastik cap you have to pop out the the top has 3 screws that is it not that hard then it pops off unplug power cable plug and clean to your hearts content. mine wasnt pumping water out the inside hose popped off easy fix it took me 3 years to get around to fixing it today
Posted on Feb 19, 2009
This is a bad design flaw, the fridhe is cooled by fan forced air from the freazer. Two ducts vent into and out of the fridge fron the freezer and ice can block them up (which you can find if you take off all the plastic at the top and back of the fridge).
Hence, when they block up, the frindge does not cool, hence the thermostat tells the fridge to keep running which makes the freezer colder and colder, making the blockage worse.
You need to not only fully defrost the freezer (which can be done quicker by removing the plastic panel in the back of the freezer and using a hairdryer) BUT also fully dry the fridge before turning it back on.
To stop it happening again, avoid puting unvovered liquids or hot items in the fridge. Also avoid leaving the fridge and freezer doors open for long especially in humid conditions. As I said, it's a bad design.
Posted on Feb 20, 2010
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