Hi @esme31912
Here's the [https://f01.justanswer.com/JaridO/4ec54d4e-f1f4-4a92-99b9-1b8221035d97_tech-sheet-W10740573-RevB.pdf|tech sheet] for the washer that may help.
Run the diagnostic tests as shown by ''Activating the service test mode''s on p.2 and if there is an error code use the chart shown in the ''Fault/Error Code Display Method'' on p.3 to interpret the status LEDs to find the error code number.
The error code meaning and description of what to check are on p6-p.7.
If there is a faulty part, here's a parts supplier's [https://www.partselect.com/Models/11020232710/#Sections|parts list] for the washer that is useful.
Find the required part in the parts list and then search online using the ''manufacturer's part number only'' (not the part supplier's part number) to find suppliers that suit you best.