Inverter Control Board - GE CDT865SxJ0 Series Technical Service Manual

Inverter Control Board

Introduction
The Inverter is used to allow both circulation and
drain motors to be operated at variable speeds for
The inverter board is torqued to the mounting plate
and should not be removed. A heat sink material is
used between the inverter and mounting plate, and
torque is critical for proper heat transfer. Should
an inverter need to be replaced, it will come as an
assembly, mounted to the mounting plate. The
inverter should not be removed from the mounting
plate.
Checking for fault codes and using the Service Mode
are both used to obtain main control errors and
inverter errors.
Safety
Diagnostics for variable speed wash and drain
motors include the inverter. Warning: Caution must
be used while removing or testing the inverter. There
is a 185 VDC potential on the inverter. Power must
be disconnected while accessing, and isolation
gloves are recommended while performing any
voltage checks on the inverter.
To Access the Inverter
1. Remove power to the dishwasher.
2. The dishwasher should be removed from its
installation and placed on its back. NOTE:
dishwasher is placed on either side.
3. Remove the
4. The cover can be removed for diagnostics
and connector access by removing the front
mounting screw.
5. Rotate the bottom of the cover to the center
of the dishwasher and carefully remove it by
moving it toward the tub.
Access details for circulation and drain motors are
found in the Circulation System and Drain System
in this service guide, respectively.
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