Water Dispenser Doesn't Work

I have the Kitchenaid Superba refrigerator, side-by-side, model number KSCS25QFWH01. The water dispenser doesn’t work. The lever arm is OK.

Perusing the website I found a microswitch (AP 3138193) that may be the culprit, but the diagrams are not 100% clear. Is the subject switch involved with dispensing water? Does the water dispenser lever arm interface to this switch?

There is a DIY repair manual for Whirlpool products. Does this manual explain how to take apart the dispenser module ??

Thanks in advance.

Paul S