Service Bulletin Description:
After replacing the Appliance Control Unit (ACU) with a service part, the ACU LED flashes 3 times (repeatedly) and the User Interface either will not respond or responds with erratic behaviour.
This Service Bulletin PDF download contains information for the following:
WDTA50SAKZ0 WDT750SAKZ0 KDTM404KPS1 WDTA50SAKW0 WDT750SAKW0 MDB8959SKZ0WDTA50SAKV0 WDT750SAKV0 MDB8959SKW0WDTA50SAKT0 WDT750SAKB0 MDB8959SKK0WDTA50SAKB0 KDTM404KBS1 MDB8959SKB0
The PDF may also contain information that applies to additional models not listed.