Evaporator Fan in ice maker won't turn on
Hey all will try to make this bullet point succinct.
- Ice maker had stopped working about a 8 months ago I took it apart and discovered that moisture had built up and frozen on the fan blades disallowing it from spinning. A quick thaw and slapped back together and everything worked fine.
- Last week the ice maker stopped working again did the same steps but the fan wasn't blocked or anything so I thawed and put it back together but no luck this time.
- Did some testing and some research, the evaporator coil had some slight frost build up but nothing too alarming and could be due to the fan not running.
- I tested the current on the evaporator coil and the thermostat and both had current flowing to it. Then I checked the current on the fan and same thing. However the fan would never spin.
- The fan was capable and I wanted to eliminate it as an issue so I actually unplugged and plugged it into my PC's motherboard and boom it worked perfectly.
- I plugged it back into the fridge but it still won't spin, the door is shut and the coils are cold but nothing. I turned off the fridge and unplugged it for an hour to power cycle it and when I turned the fridge back on the fan spun for about 5 seconds then stopped.
- It seems like whatever signal the board is supposed to send to the fan it isn't. Is there anyway to fix this, new board? Soldering old board? Any ideas of other things that could be sending the board faulty information?
Any help or ideas is appreciated!
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Hi,
What is the model number of the refrigerator?
By evaporator coil do you mean the defrost heater?
How many wires are connected to the fan? If more than two then it may have a speed sensor which would send information back to the control board to indicate that it was operating. You would need to check where the 3rd? wire (assuming red and black are for power) from the fan connected to the board and first prove continuity from the fan connector to the board and then inspect the board from where the wire connects to etc
из jayeff
@jayeff
Model #: FFHB2740PS9A
And yes I meant the defrost heater got my words mixed up
The fan doesn't have a speed control, it only has 2 wires connecting to it. The connection is good to the board and the contacts for the fan are in place. Seems less of an electrical problem as the fan spins when the fridge is turned on, thinking there might be something wrong with the board? Must be either the board isn't sending the signal to turn the fan on or some piece that tells the board to turn the fan on is malfunctioning?
из Matt Gray
Hi Matt, Have you got your issue resolved. I have the same issue and trying to find the solution no luck - Thank you
из AbdulR