Circuit Board Replacement; Remote Control Receiver Or Led Driver Board; Flicker Rod Replacement - Dimplex DWF1203 Service Manual

CIRCUIT bOARD REPLACEMENT

REMOTE CONTROL RECEIVER or LED DRIVER
bOARD
Tools Required: Philips 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 glass media from the front tray.
3. Remove the fireplace assembly from the wall by care-
fully 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 switches, remove the seven
(7) screws around the outside of the end panel. (Figure
5)
6. Remove the three (3) front panel screws along the
center of the back of the unit. (Figure 7)
7. Lay unit on its back and remove the remaining nine (9)
screws from the end panel.
8. Remove the end panel being careful not to add any
strain to the wires connecting to the switches.
9. Gently guide the partially reflective glass out the open
side of the firebox.
10. On the other end of the firebox, opposite to the switch-
es, remove the six (6) screws across the end at the top.
11. Remove the three (3) screws along the top front panel
and remove the panel.
12. There are two (2) circuit boards to the right of the
heater assembly, mounted on the back panel of the
fireplace: the LED Driver Board is the medium sized
board located closest to the heater; and the Remote
Control Receiver is the large board located closest to
the switches on the right.
13. Transfer the wire connectors from the terminals on the
original board to the same location on the replacement
board.
!
NOTE: Use a flat head screwdriver to gently pry
between the end of the connector and the switch to release
the wires.
14. The boards are secured to the unit with plastic stand-
offs, these can be removed by using either: needle-
nose pliers and squeezing the tabs on each of the
standoffs; or using wire cutters and cutting the stand-
10
offs from: above – flush to the board; or below the
board - flush to the back panel. Pull the board off of the
tabs, and remove the board from its location, noting its
original orientation.
15. If the tabs were cut off, raise the top of the fireplace off
your work surface and using needle nose pliers push
the remainder of the original mounting tabs out of the
back panel and push the new mounting tabs (supplied
with the new board), into the same location from behind
the panel.
16. Gently push the new board onto these mounting tabs
according to the orientation of the original board.
17. Re-assemble the remainder of the fireplace in reverse
order from the instructions above.
CAUTION: Ensure that the remote control wire antenna
is placed so that it is not caught between any of the
screws or sheets of metal.
! NOTE: Be sure that the flanges on the end panel are
positioned on the interior of the outside panel of the fire-
place.

FLICkER ROD REPLACEMENT

Tools Required: Philips head screwdriver
Needle-nose pliers
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 glass media from the front tray.
3. Remove the fireplace assembly from the wall by care-
fully 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 switches, remove the seven
(7) screws around the outside of the end panel. (Figure
5)
6. Remove the three (3) front panel screws along the
center of the back of the unit. (Figure 7)
7. Lay unit on its back and remove the remaining nine (9)
screws from the end panel.
8. Remove the end panel being careful not to add any
strain to the wires connecting to the switches.
9. Gently guide the partially reflective glass out the open
side of the firebox.
10. Remove both sets of the three (3) end panel screws
and the five (5) front screws that hold the Media Tray in
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