The evaporator fan started sounding like it was having trouble working then it eventually stopped. My initial thought is that the motor is bad, but since it is a $100 motor I thought I would ask if something else could cause this before buying a new one. The company I bought it from left no schematics, so I cant tra own the circuit.
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Re: Evaporator fan not working
If the motor is getting power and not running you will need to replace it. This is a fairly common failure in these models. We have the part in stock for under $45 your part # is AP3875639 enter the part# or your model # at www.appliancehelponline.com
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When the water solenoid valve leaks by initially, the water overflows into the freezer evaporator and I have seen an ice stalagmite up to 2 feet high form near the evaporator fan. The ice is probably inpinging on the evaporator fan blades. If not corrected, the fan motor will burn out and will need to be replaced. Take you model number to searspartsdirect.com and get an new water solenoid valve and install it.
You will need to look into the possible chance that your evaporator Fan motor has stopped, been damaged or the freezer is not defrosting properly. To allow it to continue running can damage the compressor. Click Here=> MFD2560HES Evaporator Components then 12002744 Evaporator Fan Motor and again the 67002493 Defrost Heater I have all the instructions and hands on if you would like my assistance I will be here to assist and repair you Maytag That ticking noise could have been your fan blade finally reaching the frost until the fan stopped. Let me know Here or or here on Fixya, Thanks, Sea Breeze
Replace the motherboard (part # WR55X10942) but be careful to check that the evaporator fan (inside the freezer) turns on when you power up the refrig again. A bad evaporator fan motor can take out the motherboard. If compressor starts with new board but not evap fan, unplug immeadiatelly and replace the evap fan motor to save new board.
There is one compressor, condenser and evaporator in all refrigerators. The part that makes the cold inside the unit is the evaporator. It's in the freezer, behind a barrier on the back wall. It's a "coil" with many small fins. There is a fan that blows air over the evaporator which makes the air cold. This air comes from the freezer and stays in the freezer. The cold food section (the refrigerator) has a control that opens a hole for air to pass from the freezer to the fridge. This being said...you can rule out the "temperature control" for the fridge.
The sound you hear could be the compressor relay, the evaporator fan or maybe something else. It could be bad, it could be not too bad. (Like a fan blade a bit unbalanced with dust)
OK,,, back to the evaporator. There is a little heater next to the coil that turns on every 8 hours or so to defrost the coil. That's called the "defrost cycle". Makes sense, no? If the defrost timer (common problem) or defrost control board (common problem) go bad, your evaporator coil freezes up, and that's not good for anything in your refrigerator. But it can often keep the freezer section cold. You can easily disassemble the evaporator cover in the back of the freezer and take a look. If it looks like a block of ice, you probably have a defrost issue. An even, thin coat of frost is OK, but lots of ice is a no no.
Thanks for your question, I hope I can help some. My answer is long winded but full of good info.
The noise could be as the GE guy said refrigerant (gas) noise. If it is refrigerant noise it happens as the liquid refrigerant comes out of the tiny capillary tube and enters the evaporator (cooling) coil in the freezer. Along with the liquid coming through the capillary tube there often are gas pockets. The flow of the liquid and gas pockets into the evaporator coil cause strange sounds. If the noise you are hearing is this refrigerant noise, you should only hear the noise while the compressor is running and then only for a short time (1 to 2 minutes) after the compressor shuts off.
If the noise continues after that I do not think it is a refrigerant noise.
There are times when the compressor will not be running but the fan in the freezer will be running on this model. This is normal and working properly but if the noise is present when the freezer fan is running and the noise stops when the freezer fan stops, the likely cause will be the main board located in a square panel on the rear of the refrigerator above the compressor compartment. I know that sounds crazy but the main board can cause the freezer fan motor to make some really strange noises. Eventually the board will probably fail.
One other test would be for you to listen for the compressor to turn off, then if the noise is present after the compressor turns off, you would next unplug the refrigerator from the receptacle. If the noise continues with the refrigerator unplugged it must be refrigerant noise. If it stops, I am betting on a bad main board.
I tried to locate for you information on a material that Whirlpool and Frigidaire as well as some others use as a noise deaden-er that they wrap around where the capillary tube enters the evaporator. I was not successful in locating anything. I am sorry I could not find it. supertechks
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