© 2011 Viking Preferred Service
49
Service Diagnostics and Procedures
Motor Controller Board
Disassembly (cont.)
The motor controller and circulation motor
grounding wires are attached to the dishwasher
frame using a ¼” (,63 cm) hex head screw. Remove
the screw shown below. After removing the screw,
release the lower two locking tabs. You can now
remove the motor controller.
Dryer Motor and
Heater Assembly–450 model
In order to remove the dryer motor and heater, you
will need to first have the unit lying on its back with
the base pan removed. The heater assembly will
need to be removed before removing the blower
motor. Remove the cover by removing the screw
indicated.
With the cover removed, you will notice there is a
piece of aluminum tape that must be cut and
removed before the heater can be removed
(Indicated by the red dotted line below)
There are four screws in total that need to be
removed in order to remove the heater. The
following images will their locations.
Locking Tabs
Grounding Screw
Screw
WARNING
All ground connections MUST be connected when
removing and installing components that have
ground connections. Failure to do so may cause
electrical shock or death along with possible
damage to the dishwasher controls.
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