Whirlpool Ice Maker Repair

[MyIceDontWork]

Hi there.

I am not getting ice in my Whirlpool in freezer ice maker. My Fridge/Freezer model is GC3PHE.

I've tried lots of things to troubleshoot. The optical sensor seems to work for the most part. Occasionally it will blink when it should have a connection while jumping the T-H. I also removed the sensor and jumped that so it would always be 'on' to troubleshoot the sensor.

I've tried jumping the connections based on diagrams and resetting.Individually i have gotten the motor to spin and watched the fins spin, the water to dispense, and the heating element to heat. The T-H jump does not seem to initiate the harvest cycle.

Everything individually seems to work - but i can't get them to work in synchronization. 

Any ideas on what I could try?

[Slav]

I don't have the tech sheet for this model, but here are some things to note:

The temperature in the freezer needs to be very close to 0°F for the ice maker to work properly.

Intermittent issues can be caused by worn out wires. Remove the kick-plate-grill on the bottom, and on your left side there should be wires and a water tube going to the ice maker. Even if the wires look OK, they may be broken inside due to the door openings and closings.

When jumping T and H you may need to activate the door/light switch as if it's closed. Unplug and re-plug the fridge before the T-H jump, and if  the ice maker is not cycling, check for 120VAC at the same T-H contacts. If you have 120VAC, the ice maker is bad. If no 120VAC, check if the main motherboard is sending the voltage.