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Logic Board
The logic board is mounted to the display frame
attached to the inside center of the control panel.
It is necessary to remove the control panel and the
display frame to replace the logic board.
To remove the logic board:
Remove the control panel. (See
Control
Compartment Access
.)
Remove the 4 Phillips-head screws then
carefully lift the display frame from the control
panel.
1.
2.
Mode and Temperature Encoders
The mode and temperature encoders are mounted
to the control panel. For ease of access, it may be
necessary to remove the control panel to replace
mode and temperature encoders.
To remove the mode or temperature encoder:
If necessary, remove the control panel. (See
Control Compartment Access
.)
Pull the encoder knob straight out from the
control panel.
Using a small
fl
at-blade screwdriver, press in the
2 tabs (located on the inside of the grommet)
and slide the grommet off the encoder shaft.
Remove the 3 Phillips-head screws from the
back of the encoder.
1.
2.
3.
4.
Remove the PUSH TO ENTER knob by pulling it
straight out from the display frame.
Remove the 6 Phillips-head screws that attach
the logic board to the display frame.
Carefully lift the top of the logic board and
remove it from the bottom 2 tabs.
1.
2.
3.
Note:
Ensure the rubber insert is positioned properly
in the push-button recess and that all pads operate
freely before reinstalling the control panel.
Tab
Tab
Rubber Insert
Remove the 11-mm nut and washer that hold
the encoder to the control panel.
1.
Tab
Locator Pin
Washer
Nut
Note:
To ensure proper alignment, position encoder
locator pin in control panel slot before tightening nut.
