Yes, you can manually force most residential refrigerator automatic ice makers to cycle through their harvest and refill stages for testing purposes. For traditional modular ice makers, you can insert an insulated wire jumper across the test terminals inside the module head or manually rotate the plastic gear module clockwise by a few degrees. For modern electronic ice makers, you can press and hold the diagnostic test button located on the front face of the ice maker housing for three to five seconds. You can troubleshoot mechanical jams easily by observing the harvest arm. You can verify that your forced cycling procedure was successful when the motor activates, the harvest fingers sweep across the tray, and the water inlet valve opens to fill the mold with fresh water.
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