Question about Bosch KGU32124 Bottom Freezer Refrigerator

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Bosch KGU32160 fridge freezer

Unit maintains correct temp in both compartments but makes a loud noise when running (like a small motor bike running in the kitchen). Also it doesn't seem to cut out when correct temperatures are reached. Help.

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  • yianniskak Nov 06, 2008

    Mine makes a lot of noise too. I found out where it comes from. It comes from the fan inside the fridge which is mounted on only two screws. Could they not afford another screw for heavens sake? I am not buying an expensive fridge again. Not worth it

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The compressor behind the fridge should cycle on and off as the machine maintains temperature, but the evaporator fan inside the freezer will keep running, except when the fridge goes into defrost. If the noise is coming from the fan inside the freezer, there could be some ice on the frame of the fan and the blades are touching the ice. If the noise is coming from behind the fridge it could be the condensor fan motor. This fan is situated behind the fridge in front of or next to the compressor. It keeps the condensor cool by blowing air onto it. Check this fan. The blades could be touching the pipework or something.

Posted on Nov 03, 2007

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Posted on Jan 02, 2017

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hello. this is a common problem. The thermostat for a refrigerator/freezer is in the refrigerator part. Normally the refrigerator is kept at around 40 degrees. The compressor turns on as required to maintain this tempearture. The evaporator coils are concentrated in the freezer side, so that the freezer stays at around 0 degrees while the fridge side is held at 40.

If the ambient temp is around 25 degrees, the refrigerator compartment will get below the setpoint of 40 degrees, and gradually continue down towards 25 degrees. The compressor will not have to run at all to maintain this. In fact, the compressor is designed not to run, once the refrigerator compartment gets below the setpoint, for fear of freezing the contents of the fridge.

The lack of circulating refrigerant due to the non-running compressor means that the freezer compartment will gradually warm up to 25 degrees.

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Regards, Joe PS kindly rate my answer. Thank you.

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