Service Bulletin Description:
Dead or intermittent operation of UI Console Keypad and/or the start/cancel button operate intermittently or fail to operate.
This Service Bulletin PDF download contains information for the following:
MDB4709AWW1 MDB4709AW* MDB6709AW* MDB7609AW* MDB7709AW* MDB7749AW* MDB7809AW* MDBH949AW* MDBH979AW* MDBH989AW* MDBTT53AW*
The PDF may also contain information that applies to additional models not listed.