undercounter ice maker

please help

Icemaker, takes water, shuts water off, is pumped up to ice makeing sheet, excess water drains to water supply pan
Seems lioke grid is always hot and creates too much heat inside so no ice is made
what’s broke?

Here is the Service manual.

Here are the breakdown diagrams and Replacement parts for WHIRLPOOL KUIA15NRHS8 Ice Cube Maker | AppliancePartsPros.com

Gene.