Replacing.transformer; Replacing.main.control.board; Replacing.backlight.led.strip; Replacing.settings.control.board - MHSC WEF33 Homeowner's Installation And Operating Instructions Manual

• Replacing Transformer
1. Follow Steps 1 through 3 in 'Replacing Heater/Blower'.
. Disconnect transformer wires from control board.
3. Remove screws and nuts from firebox surround to remove
transformer. Figure 17
4. Remove and discard transformer.
5. Place new transformer against inside of firebox surround and
replace screws and nuts removed in Step 3.
6. Reconnect transformer wires to control board. Refer to Wiring
Diagram, Figure 15 or 16.
7. Replace glass with brackets, and top panel.
8. Replace trim.
• Replacing Main Control Board
1. Follow Steps 1 through 3 in 'Replacing Heater/Blower'.
. Disconnect wires to main control board.
3. Squeeze top of standoffs to remove main control board and discard.
4. Gently push new control board onto standoffs to install.
5. Reconnect wires to main control board. Refer to Wiring Diagram,
Figure 15 or 16.
6. Replace glass with brackets and top panel.
7. Replace trim.
• Replacing Backlight LED Strip
1. Follow Steps 1 and 3 in 'Replacing Heater/Blower'.
. Disconnect wires from main control board.
3. Squeeze top of standoffs to remove backlight LED strip and discard.
4. Place new backlight LED strip onto standoffs and push gently.
5. Connect wires to main control board. Refer to Wiring Diagram, Figure 15
or 16.
6. Replace glass with brackets and top panel.
• Replacing Settings Control Board
1. Follow Steps 1 through 3 in 'Replacing Heater/Blower'.
. Disconnect wires from main control board.
3. Remove screws from bracket to remove settings control board.
4. Place new settings control board into position 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. Reconnect wires to main control board. Refer to Wiring Diagram, Figure
15 or 16.
6. Replace glass with brackets and top panel.
7. Replace trim.
14
Figure 17
Transformer
FP400
Transformer
Figure 18
FP2400
remove transformer
FP2401
Figure 19
remove control board
Figure 20
FP2402
replace backlight LED
FP403
Nuts
Screws
Main Control
Board
Standoffs
FP401
Standoffs
Backlight
LED Strip
FP40
Screws
Settings
Control
Board
68D5301
FP2403