You don't say what type of refrigerator you have. If it is a Norcold or Dometic dual mode (AC/LP) type, make sure you have 110V (Generator, Shore, or Inverter) power available. The Icemaker won't work without it. The Icemaker requires 110v power to operate so, if the refer is operating off LP, you won't get any ice unless you have the icemaker wired separately. The icemaker needs 110v to power the mold heater. The mold heater warms the ice mold slightly just before the frozen cubes are ejected. That prevents the cubes from sticking to the mold and jamming the eject motor.
If you have a residential refrigerator, none of this post is applicable to your situation!
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