Throwing f2e1 error code keypad wont respond to requests reset power working normally quoted for new stainless door

"Installed parts, tested ok.; dspstn on spec-tagged invntry: 1 W11256462 DIODE UNIV"

"Found foreign object in drain pump. Cleared and retested, all okay."

Found unit ok at this time customer complaint of ice at bottom of evaporator. That checks ok. Water was slow but flowing. Recommend having house supply to refrigerator checked. Water flows adequately without filter in place.

"Unit getting no power, checked fuse and replaced still no power. Will order transformer, magnetron and diode as customer said before unit went out it would not heat up things. Called safety to document, SR#7736711501; ordrng 1 W11256462 (diode) and 1 W11391712 (Magnetron) and 1 W11545871 (Transformer)"