Theory of Operation
Module Board
The Module Board is located at the bottom,
right-rear corner of the washer-dryer. If
diagnostic tests indicate that the module
board is defective, the entire module board
must be replaced.
The module board receives input from the
Control Panel/LED assembly and directly
controls the dispenser, drain pump, water inlet valves, door locking and unlocking, fan motor and heat-
ing element relay. The module board monitors the pressure switch, and door lock switches.
Main Motor
The main motor is located at the bottom,
rear of the washer and is an infi nite speed
0-90 VDC motor that operates at various
speeds and directions based on input volt-
ages from the module board.
Wash/Dry System
The Wash/Dry System consists of the Module Board, the Main Motor, the Pump Motor and the Dryer
Heating Element.
(Continued on the next page)
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