I have a hotpoint refridgerator, the evaporator fan in the freezer is whinning and surging, I was told that is the mother board on the back of the unit that is causing the problem, if this is try how can that cause the noise, is it because the motor is not getting enough electricity. Thanks
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hi thanks for the question its either the fan blade hitting ice or a bad fan motor remove the floor 4 screws lift from back to expose the evaporator you will see either ice hitting fan blade if this is the case thaw the ice dry the foam and re assemble thanks the appliance doc
Evaporator fan motor is located in the freezer compartment behind the back wall. To access it you must remove the shelves and the back wall which is held in place by screws. Then you can remove the old fan motor and install a new one in the reverse order that you used to remove the old motor.
I believe you will trace this noise back to the evaporator fan motor inside the freezer making the noise. If you agree that the noise is coming from the evaporator fan motor inside the freezer it is not the motor that is responsible. Your model has a Main Mother Board on the outside rear wall of the freezer down low (about 10 screws hold square cover on over board). The Main Board is causing your noisy evaporator fan motor. Use caution when handling any electronic circuit board. Follow antistatic cautions. Static electricity in your body can damage these valuable circuit boards.
sutty, you have a 2 speed DC evaporator motor in this model. There should be at least 60 seconds between any fan speed changes. On the back side of the refrigerator you have a main board. Unplug J2 connector on the board. Check for 13VDC between pins j2-3 and j2-8, then check for 8 to 13VDC between j2-3 and j2-4. If the voltage is correct I would suspect the evaporator motor. If the voltage is incorrect, then the problem is in the main board. Pins read from left to right 1 through 8. Catriver.