Relay Board Replacement; Ac/Dc Adapter Replacement - Dimplex DWF3651 Service Manual

order from the instructions above.
!
NOTE: If any tie wraps were removed, replace and en-
sure that none of the wires are pinched during reassembly.
! NOTE: Be sure that the flanges on the end panel are
positioned on the interior of the outside panel of the fire-
place.

RELAY BOARD REPLACEMENT

Tools Required: Phillips head screwdriver
Flat Head Screwdriver
WARNING: If the fireplace was operating prior to ser-
vicing, allow at least 10 minutes for light bulbs and heating
elements to cool off to avoid accidental burning of skin.
WARNING: Disconnect power before attempting any
maintenance to reduce the risk of electric shock or damage
to persons.
1. On either side of the firebox, remove the retaining
screws and carefully remove the glass assembly from
the rest of the assembly. (Figure 3)
2. Carefully remove the acrylic media from the front tray.
3. If applicable, remove the fireplace assembly from the
wall by carefully lifting it upward, releasing it from the
flanges of the wall-mounting bracket. (Figure 4).
4. Carefully set the unit upright on a flat working surface.
! NOTE: If necessary, lay a protective barrier between
the unit and your work surface, (i.e. cloth, cardboard, thick
plastic) to avoid scratching your work surface.
5. On the right end, with the switchboard, remove the ten
screws around the outside of the end panel. (Figure 5)
6. Lay unit on its back and remove the remaining 9 screws
from the end panel.
7. Remove the end panel being careful not to add any
strain to the wires connecting to the switchboard.
8. Gently guide the partially reflective glass out the open
side of the firebox.
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to easily access the different wires.
9. Locate the display/control board and remove the two
screws that secure the assembly to the unit.
10. Locate the relay board and carefully transfer the wire
connections from the original board onto the new board.
!
NOTE: For easier access the lower front panel can be
removed by removing the 5 screws along the bottom of the
front panel, the 3 screws along the back of the unit (Figure
7) and the 5 screws on the left hand panel.
11. Reconnect the wires according to their original configu-
ration.
12. Re-assemble the remainder of the fireplace in reverse
order from the instructions above.
!
NOTE: If any tie wraps were removed, replace and en-
sure that none of the wires are pinched during reassembly.
! NOTE: Be sure that the flanges on the end panel are
positioned on the interior of the outside panel of the fire-
Figure 7
Heater Screws
place.

AC/DC ADAPTER REPLACEMENT

Tools Required: Phillips head screwdriver
Flat Head Screwdriver
1. On either side of the firebox, remove the retaining
screws and carefully remove the glass assembly from
the rest of the assembly. (Figure 3)
2. Carefully remove the acrylic media from the front tray.
3. If applicable, remove the fireplace assembly from the
wall by carefully lifting it upward, releasing it from the
flanges of the wall-mounting bracket. (Figure 4).
4. Carefully set the unit upright on a flat working surface.
! NOTE: If necessary, lay a protective barrier between
the unit and your work surface, (i.e. cloth, cardboard, thick
plastic) to avoid scratching your work surface.
5. On the right end, with the switchboard, remove the ten
screws around the outside of the end panel. (Figure 5)
6. Lay unit on its back and remove the remaining 9 screws
from the end panel.
7. Remove the end panel being careful not to add any
strain to the wires connecting to the switchboard.
8. Gently guide the partially reflective glass out the open
side of the firebox.
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to easily access the different wires.
9. Locate the display/control board and remove the two
screws that secure the assembly to the unit.
10. Locate the relay board and carefully transfer the wire
connections from the original board onto the new board.
!
NOTE: For easier access the lower front panel can be
removed by removing the 5 screws along the bottom of the
front panel, the 3 screws along the back of the unit (Figure
7) and the 5 screws on the left hand panel.
11. Reconnect the wires according to their original configu-
ration.
12. Re-assemble the remainder of the fireplace in reverse
Front Panel Screws
9