Washing machine stops and displays F4 E4 code

Washer Repair
1

Brand:whirlpool
Model Number:WFW8620HW2
Main Symptom:Errorr codes
What happens & when:machine stops halfway through the cycle with F4 E4 code

Error Code (if any):F4 E4
Parts or tests already tried:Replaced main control board
Photos / video link:

2

The error code F4 E4 is an invalid error code for this unit. This is an erroneous error code and would be a control issue.

3

Replaced the control unit. Same code.