www.desatech.com
120927-37C
10
CLEANINg AND MAINTENANCE
Continued
REPLACING SETTINGS CONTROL
BOARD
1. Follow steps 1 and 2 under
Replacing
Heater/Blower,
page 9.
2. Disconnect wires from main control
board.
3. Remove screws from front of top panel to
remove settings control board.
4. Place new settings control board into posi-
tion making sure each control is aligned
with slot in panel. Install using screws
from step 3. DO NOT overtighten. This
will damage control board.
5. Connect wires to main control board (see
Wiring Diagram,
page 12).
6. Replace top panel and screws.
Backlight LED Strip
Standoffs
Figure 14 - Replacing Backlight LED Strip
REPLACING TRANSFORMER
1. Follow steps 1 and 2 under
Replacing
Heater/Blower,
page 9.
2. Disconnect transformer wires from control
board.
3. Remove screws from outside of firebox
surround to remove transformer (see
Figure 12).
4. Remove and discard transformer.
5. Place new transformer against inside
of firebox surround and replace screws
removed in step 3.
6. Reconnect transformer wires to control
board (see
Wiring Diagram,
page 12).
7. Replace top panel and screws.
Figure 12 - Removing Transformer
Transformer
Screws
REPLACING MAIN CONTROL BOARD
1. Follow steps 1 and 2 under
Replacing
Heater/Blower,
page 9.
2. Disconnect wires to main control board.
3. Squeeze top of standoffs to remove main
control board and discard.
Figure 13- Control Board
Main Control
Board
Standoffs
Transformer
4. Gently push new control board onto
standoffs to install.
5. Reconnect wires to main control board
(see
Wiring Diagram,
page 12).
6. Replace top panel and screws.
REPLACING BACKLIGHT LED STRIP
1. Follow steps 1 and 2 under
Replacing
Heater/Blower,
page 9.
2. Disconnect wires from main control
board.
3. Squeeze top of standoffs to remove back
-
light LED strip and discard.
4. Place new backlight LED strip onto stand-
offs and push gently.
5. Connect wires to main control board (see
Wiring Diagram,
page 12).
6. Replace top panel and screws.
