If the water is running across the evaporator coil but not freezing then you will need to check to see if the compressor is running. If the compressor is not running then check to make sure that there is 120 vac to the start device. If there is 120 vac then the start device would be the problem and need to be replaced. Whirlpool WP2217224 Ice Machine Start Relay (Emb) | Genuine OEM Part