The fan on the inside of the cooler is running, but the fan on the back of the unit is not. The cooler is not cooling. Is this due to power supply failure or something else? Thank you
If the fan on the backside is not spinning it could be a bad fan-motor. When the fan runs the compressor should run as well. If the compressor is not running the fan should not be running either, so you should unplug it for about an hour, then plug it back in and see if the compressor unit starts up. If it doesn't, it is probably something wrong in the control circuit for the compressor. It could be the thermostat (check that it is set correctly). If the compressor starts up but the fan does not run, it is most likely a bad fan motor or bad wire leading to the fan motor.
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Fan is wired separately from the cooling unit. you may have a wire corrosion issue. take put the shelves, disassemble the back of the unit from the inside and observe the wiring to see if there are broken or corroded wires/connections. R/R if necessary.
I had the exact same problem. The condenser fan in the bottom should run all the time. The entire condenser unit (compressor, coils and fan) sit on a metal tray that may be rusted to the bottom of the unit so a few taps from a hammer from the back may be needed to slide it forward. Once you can get to the fan, check the wiring. On mine the spade plug had rusted away. Follow the wires from the fan to a small box on the side of the compressor. Make sure the fan wires are securely connected to the terminal block. There are two male spade connectors that provide constant 120v. They point up. Make sure there is power and the fan motor is connected.
the outside fan can be replaced with a 92 x 25 mm computer cooling fan. Inside fan is a 60 x 10 mm. Remove the cover on the inside by pulling straight up. Plug it in and check if the metal heat sink on the inside is getting cold. If it does, then the problem is one or both of the fans.
Do not assume the problem is related to the compressor or the sealed, hermetic system; these types of problems happen only rarely. Your unit may have dirty condenser coils, a door that doesn't seal tightly, or a defective temperature control.
1) Check the cold control. Be sure it is set to "cold." Normally, the temperature inside the unit should be about 37 degrees Fahrenheit.
2) Listen for the freezer fan inside the freezer. When the freezer fan is running, it means the defrost timer and the cold control in the unit are both set to cool.
3) Listen for the compressor fan, where the compressor is located (typically behind or beneath the refrigerator. When the freezer fan is operating, the compressor fan should also be working (most of the time).
4) If one of the fans is not working or the compressor is off, the unit will offer very little cooling or none at all.
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The system is most likley working fine.
The problem is moisture in side the unit. It needs to be dry inside or ice will build up on the cooling unit. make sure the lid is fully closed also.
Check the 2 fuses,one covered with black heat shrink, next see if internal fan is spinning, inside door, the 2 fans on the back should spin when first plugged in. also the 2 led's red and green should light up...if internal fan doesn't spin then check or replace, use batteries to get it to spin as a test...good luck,safety first...
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