[scott0804]

The Evap Fan is not running. The Condensor Fan is running and the Compressor seems to be running.

For a GE [FONT='Times New Roman','serif']GTS18ICMARWW, I would like to know if there is a simple way to test the fan... I am not sure of what voltage to apply to it.[/font]
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[FONT='Times New Roman','serif']Also I read somewhere that you should replace the motherboard when replacing the Evap. Fan. Does this unit have a controller board? I did not see one in your diagrams or on your parts lists. [/font]
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[FONT='Times New Roman','serif']Please Help[/font]

[denman]

Here is the evaporator motor
Part number: AP3855311

Click on the picture for other views and then on them to enlarge the view.
Looks like the unit is 120 volts.

[scott0804]

This is how the question should read...

The Evap Fan is not running. The Condenser Fan is running and the Compressor seems to be running. For a GE GTS18ICMARWW, I would like to know if there is a simple way to test the fan... I am not sure of what voltage to apply to it Also I read somewhere that you should replace the motherboard when replacing the Evap. Fan. Does this unit have a controller board? I did not see one in your diagrams or on your parts lists. Please Help

I actually talked to someone locally that seemed to pretty much have things figured out and nailed it. There is a simple way to test the fan. Just check for continuity (closed Electrical Circuit) between leads on the fan motor connector leads. if it acts like an open circuit and you dont get the "beep" from your circuit tester, then the motor is probably shot.

I replaced the motor and the new one works. I did not find a controller board to replace on this GE Refrig. so hopefully I will not have an early failure with this motor.

[denman]

Also I read somewhere that you should replace the motherboard when replacing the Evap. Fan. Does this unit have a controller board? I did not see one in your diagrams or on your parts lists.
No it does not use a control board. Control board units use a DC motor where this is a 120 volt AC motor.

Just check for continuity (closed Electrical Circuit) between leads on the fan motor connector leads. if it acts like an open circuit and you dont get the "beep" from your circuit tester, then the motor is probably shot.
If the motor's winding is open the motor is toast.
But motors can fail in other ways so this is not a definitive test.

Your repair seems OK to me.