Page 1
Service Manual
Model Number:
DFR2551L
DFR2551G
UL Part Number
6908922259
6908922559
IMPORTANT SAFETY INFORMATION: Always read this manual rst before attempting to service this
replace. For your safety, always comply with all warnings and safety instructions contained in this
manual to prevent personal injury or property damage.
REV PCN DATE
Dimplex North America Limited
1367 Industrial Road Cambridge ON Canada N3H 4W3
1-888-346-7539 www.dimplex.com
In keeping with our policy of continuous product development, we reserve the right to make changes without notice.
© 2016 Dimplex North America Limited
00 - 6-JAN-16
7400910100R00
Page 2
TABLE OF CONTENTS
Operation ...........................................................3
Maintenance .........................................................4
Exploded Parts Diagram ...............................................5
Replacement Parts ...................................................5
Wiring Diagram ......................................................6
Switchboard Replacement .............................................7
Relay Board Replacement .............................................7
AC/DC Adapter Replacement ...........................................8
Display/Control Board Replacement .....................................8
Heater Assembly Replacement .........................................9
Power Cord Replacement ..............................................9
Flicker Motor & Flicker Rod Replacement ................................9
Flame LED Light Assembly Replacement ................................10
Coloured Flame LED Light Assembly Replacement .......................10
Log Set Assembly Replacement .......................................10
Partially Reective Panel Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Thermistor Replacement .............................................11
Troubleshooting Guide ...............................................12
Always use a qualied technician or service agency to repair this replace.
!
NOTE: Procedures and techniques that are considered important enough to emphasize.
CAUTION: Procedures and techniques which, if not carefully followed, will result in damage to the
equipment.
WARNING: Procedures and techniques which, if not carefully followed, will expose the user to the
risk of re, serious injury, or death.
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Page 3
OPERATION
Figure 1
A C D E
Floating Display
WARNING: This electric rebox must be properly in-
stalled before it is used.
The unit can be controlled by either the manual controls
which are located on the upper right of the replace or the
remote (Figure 1 & 2).
The replace is supplied with an IR multifunction remote
control. This remote control has a range of approximately
16 ft (5 m). To operate correctly, the remote control must be
pointed towards the Floating DisplayTM.
!
NOTE: Before attempting any operation with the remote,
pull the plastic insulator strip out from between the remote
casing and battery cover.
A. Standby
Turns the unit On and Off.
→ Activated by pressing the Standby button on the remote
or the unit.
• The unit will turn on with the same functions that it was
set to when it was turned Off and the intake temperature
will be indicated on the On Screen Display.
!
NOTE: When any button is pressed the intake tem-
perature will be displayed on the On Screen Display for 5
seconds.
B. Flame Effects
Turns the ame effect On and Off.
→ Activated by pressing the button on the remote.
C. Heat ON/OFF
Cycles the unit sequentially through the 3 settings: Low
Heat, High Heat and Off.
→ Activated by pressing the button on the unit or the
remote.
• Indicated by the (low heat) or the (high heat) icon
and the intake temperature being displayed on the On
Screen Display, for 5 seconds before turning off.
!
NOTE: After the heater is switched off, there is a 60
second fan delay, where the fan will continue running before turning off.
!
NOTE: The unit can be operated in Heat Only Mode.
When the unit is only running with the heater, the (low
TM
F
heat) or the (high heat) icon and the intake temperature
will continuously be displayed on the On Screen Display.
!
NOTE: The heater may emit a slight, harmless odor
when rst used. This odor is a normal condition caused by
initial heating of internal heater.
D & E. Thermostat Controls
Adjusts the temperature set point to your individual requirements. Once the desired set temperature is reached the
heater will turn off. The heater will cycle on and off to maintain the desired set temperature. The default temperature
setting is 72°F (22°C).
→ Adjusted by pressing the
and the to increase the set point on the remote.
• The On Screen Display will indicate the temperature set
point as it is adjusted.
!
NOTE: Holding the button down, then press on
the unit, will change the temperature from °C to °F, or vice
versa.
to decrease the set point
Disable Heat
If desired, depending on the season, the heater on the unit
can be disabled. The unit will operate in the same fashion,
with remainder of the controls.
Pressing the and buttons on the unit at the same
time and holding for 2 seconds will disable and enable the
heater.
!
NOTE: When the heater has been disabled and either
the or the is pressed the On Screen Display will
indicate “--”.
F. Color Themes
Different presets of ambient lighting color combinations
contained in the unit.
→ Changed by repeatedly pressing the corresponding but-
ton on the remote or the unit.
• Cycles through the different preset ambient lighting settings of the unit, this includes different combinations of
colours of the ame and media lighting (if applicable).
!
NOTE: The last theme (media versions) or the second
to last theme (log set versions) of the cycle is a prism
where the unit cycles through a variety of colours. Pressing
the button stops the cycling and holds the unit on the
preferred color, indicated by a solid circle. When the unit
is on prism, and is cycling through the colours, a rotating
circle will be displayed.
G.
Changes the brightness of the lights in the unit.
→ Adjusted by repeatedly pressing the corresponding but-
• Indicated by the second digit on the Floating Display™
Brightness
ton on the remote.
changing to show: “H” (high), and “L” (low).
3
Page 4
H. Sleep Timer
The Sleep Timer can be set to automatically shut off the
replace after a preset time (from 30 minutes to 8 hours).
→ To set the timer press the timer button on either the
remote or the unit, repeatedly, until the desired time is
displayed.
• The On Screen Display will display the different times as
it is adjusted. Once the timer has begun, pressing the
button will display the time remaining before the unit
turns Off.
!
NOTE: The Sleep Timer can be cancelled at any time
by pressing the button repeatedly until the sleep timer
displays nothing.
Resetting the Temperature Cutoff Switch
Should the heater overheat, an automatic cut out will turn
the heater off and it will not come back on without being
reset. It can be reset by unplugging the unit and waiting 5
minutes before plugging the unit back in.
CAUTION: If you need to continuously reset the heater,
unplug the unit and call technical support at 1-888-346-
7539.
Remote Control Battery Replacement
To replace the battery:
1. On the back of the remote control, slide battery cover
open on the remote control.
2. Correctly install one 3 Volt (CR2032 [longer life] or
CR2025) battery in the battery holder.
3. Close the battery cover.
Battery must be recycled or disposed of properly.
Check with your Local Authority or Retailer for recycling advice in your area
MAINTENANCE
WARNING: Disconnect power before attempting any
maintenance or cleaning to reduce the risk of re, electric
shock or damage to persons.
Glass Cleaning
The glass is cleaned in the factory during the assembly
operation. During shipment, installation, handling, etc., the
front glass panel may collect dust particles; these can be
removed by dusting lightly with a clean dry cloth.
To remove ngerprints or other marks, the front glass panel
can be cleaned with a damp cloth. The front glass panel
should be completely dried with a lint free cloth to prevent
water spots. To prevent scratching, do not use abrasive
cleaners or spray liquids on the glass surface.
Fireplace Cleaning
Use warm water only to clean painted surfaces of the
Compact Fireplace. Do not use abrasive cleaners.
To prolong the life of your unit and optimize the
performance of your heater, vacuum or dust the outlet of
the heater, and under and behind your rebox, on a regular
basis.
Servicing
Except for the cleaning described above, an authorized service representative should perform any other servicing.
Figure 2
A
B C
D
F
E
G
H
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Page 5
EXPLODED PARTS DIAGRAM
2
16
19
14
15
4
13
12
3
5
18
6
1
REPLACEMENT PARTS
1. Flicker Motor .....................2000500100RP
2. Ceramic Heater Assembly (with Cutout) 2203690100RP
3. Thermistor .......................3001560100RP
4. Cord Set ........................4100090204RP
5. Flicker Rod ......................5902620300RP
6. Partially Reective Panel. . . . . . . . . . . .5902580200RP
7. Front Glass ......................5902640100RP
8. Felt Feet Pads (set of 4) ............8600140101RP
9. Plastic Foot Set ...................8800090101RP
10. Log Set Assembly .................0440590500RP
11. Acrylic Media . . . . . . . . . . . . . . . . . . . . .1400150100RP
7
12. Display/Control Board - Logset version 3001430100RP
- Media version 3001430300RP
13. Switchboard. . . . . . . . . . . . . . . . . . . . . . 3001520100RP
14. Relay Board. . . . . . . . . . . . . . . . . . . . . . 3001440100RP
15. AC/DC Adapter ...................2100250100RP
16. Remote Control ...................6700520200RP
17. Media LED Light Assembly . . . . . . . . . .3001570300RP
18. Colored Flame LED Light Assembly - Media
19. Flame LED Light Assembly . . . . . . . . . . 3001390100RP
20. L-Bracket . . . . . . . . . . . . . . . . . . . . . . . . 1013780100RP
3001500100RP
Logset
3001500200RP
5
Page 6
WIRING DIAGRAM
ELEMENT
M
BLOWER
MOTOR
L
N
CUTOUT
+T°
SWITCHBOARD
RELAY BOARD
M
FLICKER
MOTOR
MEDIA BED RGB LED STRIP
LOGSET ASSEMBLY
MEDIA BED LED ASSEMBLY
LOGSET LED ASSEMBLY
THERMISTOR
LED LIGHT ASSEMBLY
120V / 12V
~
AC / DC
AC/DC
ADAPTER
DISPLAY-CONTROL BOARD
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Page 7
SWITCHBOARD REPLACEMENT
Tools Required: Phillips Head Screwdriver
Needle Nose Pliers
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the three screws along the back of the unit,
the two on either side along the top edge and the one
at the top of the glass retaining bracket on both sides.
(Figure 3)
5. Lay the Compact Fireplace on its back.
6. Gently open the top panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 4)
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to fully open the top panel.
7. Locate the switchboard and disconnect the wire.
8. Release the switchboard from the top panel by using
needle nose pliers to depress the tab on the mounting
standoffs and gently lift the board off.
9. Properly orient and install the switchboard and connect
the wiring.
!
NOTE: If any tie wraps were removed, replace and en-
sure that none of the wires are pinched during reassembly.
10. Reassemble in the reverse order as above.
Figure 3
Top Panel Screws
RELAY BOARD REPLACEMENT
Tools Required: Phillips Head Screwdriver
Flat Head Screwdriver
Needle Nose Pliers
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the three screws along the back of the unit and
the two on either side along the top edge. (Figure 3)
5. Remove the six screws on the top surface, to release
the top panel. (Figure 3)
6. Lay the Compact Fireplace on its back.
7. Gently open the top panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 4)
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to fully open the top panel.
8. Locate the relay board and disconnect the wiring con-
nections noting their original locations.
!
NOTE: A at head screwdriver can be used to gently
pry between the end of the connector and the switch to
release the wires.
9. Release the relay board from the top panel by using
needle nose pliers to depress the tab on the mounting
standoffs and gently lift the board off.
10. Properly orient and insert the new board and connect
all of the wiring.
Figure 4
Heater
Assembly
Power Cord
Relay
Board
Switchboard
Power
Supply
Display/Control Board
Securing Screws
7
Page 8
!
NOTE: If any tie wraps were removed, replace and en-
sure that none of the wires are pinched during reassembly.
11. Reassemble in the reverse order as above.
AC/DC ADAPTER REPLACEMENT
Tools Required: Phillips Head Screwdriver
Flat Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove
the two on either side along the top edge. (Figure 3)
5. Remove the six screws on the top surface, to release
the top panel. (Figure 3)
6. Lay the Compact Fireplace on its back.
7. Gently open the top panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 4)
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to fully open the top panel.
8. Locate the adapter and disconnect the wiring connec-
tions noting their original locations.
9. There is one connection located on the display/control
board that requires the board to be removed. This
can be done by removing the three screws on the right
hand side of the unit, reaching between the partially
reective panel and the back of the unit, to remove the
display/control board to remove the connection and
replace it with the new one.
10. Reinstall the display/control board.
11. Remove the adapter from the top panel by removing
the four screws securing it to the top panel.
12. Properly orient and insert the new adapter and connect
all of the wiring.
!
NOTE: If any tie wraps were removed, replace and en-
sure that none of the wires are pinched during reassembly.
13. Reassemble in the reverse order as above.
the three screws along the back of the unit and
DISPLAY/CONTROL BOARD REPLACEMENT
Tools Required: Phillips Head Screwdriver
Flat Head Screwdriver
Needle Nose Pliers
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the
the two on either side along the top edge. (Figure 3)
5. Remove the six screws on the top surface, to release
the top panel. (Figure 3)
6. Lay the Compact Fireplace on its back.
7. Gently open the top panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 4)
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to fully open the top panel.
8. Locate the display/control board behind the partially re-
ective panel and remove the three screws that attach
it to the unit.
9. Carefully lift the assembly to the top of the unit and
disconnect the wiring connections noting their original
locations.
10. Release the display/control board from the support
panel by using needle nose pliers to depress the tab on
the mounting standoffs and gently lift the board off.
11. Properly orient and insert the new board and connect
all of the wiring.
!
NOTE: If any tie wraps were removed, replace and en-
sure that none of the wires are pinched during reassembly.
12. Reassemble in the reverse order as above.
three screws along the back of the unit and
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Page 9
HEATER ASSEMBLY REPLACEMENT
Tools Required: Phillips Head Screwdriver
Flat Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the three screws along the back of the unit and
the two on either side along the top edge. (Figure 3)
5. Remove the six screws on the top surface, to release
the top panel. (Figure 3)
6. Lay the Compact Fireplace on its back.
7. Gently open the top panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 4)
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to fully open the top panel.
8. Locate the heater assembly and disconnect the wiring
connections noting their original locations.
!
NOTE: A at head screwdriver can be used to gently
pry between the end of the connector and the switch to
release the wires.
9. Remove the 4 screws that secure the top panel to the
heater assembly
10. Properly orient and install the new assembly and con-
nect all of the wiring.
WARNING: Ensure wires do not come in contact with
moving parts by securing wires in wiring tie wraps.
11. Reassemble in the reverse order as above.
POWER CORD REPLACEMENT
Tools Required: Phillips Head Screwdriver
Needle Nose Pliers
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the three screws along the back of the unit,
the two on either side along the top edge and the one
at the top of the glass retaining bracket on both sides.
(Figure 3)
5. Lay the Compact Fireplace on its back.
6. Gently open the top panel, laying it on the work surface so that all of the components can easily be seen.
(Figure 4)
!
NOTE: The wires are grouped together with tie wraps,
which may need to cut to fully open the top panel.
7. Locate the power cord and disconnect the wiring connections noting their original locations.
8. With needle nose pliers, grasp the power cord strain
relief grommet from inside the back of the bottom panel
and push while twisting to remove.
9. Install the new power cord.
!
NOTE: If any tie wraps were removed, replace and en-
sure that none of the wires are pinched during reassembly.
10. Reassemble in the reverse order as above.
FLICKER MOTOR & FLICKER ROD REPLACEMENT
Tools Required: Phillips Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the two screws along the back of the unit, the
two on either side along the bottom edge. (Figure 5)
5. Lay the Compact Fireplace on its back.
6. Gently open the bottom panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 6)
7. Locate the icker motor and icker rod.
8. Locate and disconnect the 2 wires from the wire con-
nectors.
9. Remove the 2 motor mounting screws.
10. Separate the motor from the icker connector and
remove.
11. Slide the icker rod out of the snap-in bushing and
remove.
12. Reassemble in the reverse order as above.
9
Page 10
FLAME LED LIGHT ASSEMBLY REPLACEMENT
Tools Required: Phillips Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the two screws along the back of the unit and
the two on either side along the bottom edge. (Figure 5)
5. Lay the Compact Fireplace on its back.
6. Gently open the bottom panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 6)
Figure 5
Bottom Panel
Figure 6
7. Locate and remove the LED lights along the back.
8. Disconnect the electrical connector, located on the right
side under the media bed / log set, and reconnect with
the new light assembly.
9. Properly orient and install the new LED lights and connect all of the wiring.
10. Reassemble in the reverse order as above.
COLORED FLAME LED LIGHT
ASSEMBLY REPLACEMENT
Tools Required: Phillips Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the two screws along the back of the unit and
the two on either side along the bottom edge. (Figure 5)
5. Lay the Compact Fireplace on its back.
6. Gently open the bottom panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 6)
7. Locate and release the colored ame LED lights in the
bottom panel by using needle nose pliers to depress
the tab on the mounting standoffs and gently lift the
boards off.
8. Disconnect the assembly by removing the plug in the
end of the assembly, that was located at the back by
the icker motor, and installing the connector into the
new board.
9. Properly orient and install the new LED lights and con-
nect all of the wiring.
10. Reassemble in the reverse order as above.
LOG SET ASSEMBLY REPLACEMENT
Tools Required: Phillips Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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
Flicker
Rod
Flame LED Light
Assembly
Colored Flame LED
Light Assembly
10 www.dimplex.com
Flicker
Motor
Thermistor
to persons.
1. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
Page 11
brackets to the mantel.
4. Remove the front glass and set aside in a safe place.
5. Pull the front edge of the plastic Ember Bed or plastic
grate up and forward until the rear tab releases from
the ledge located at the bottom of the Partially Reective Panel. (Figure 7)
!
IMPORTANT: Only handle the Log Set by the Ember
Bed.
!
NOTE: Log Set ts tightly into rebox, some force may
be necessary to remove.
6. Reassemble in the reverse order as above.
PARTIALLY REFLECTIVE PANEL REPLACEMENT
Tools Required: Phillips Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the two screws along the back of the unit and
the two on either side along the bottom edge. (Figure 5)
5. Lay the Compact Fireplace on its back.
6. Gently open the bottom panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 6)
7. Remove the two screws on each side that secure the
partially reective support bracket to the rebox.
8. Remove the partially reective support bracket.
9. Remove the partially reective panel by sliding it out of
the side channels towards the bottom.
10. Install the new partially reective panel.
11. Reassemble in the reverse order as above.
THERMISTOR REPLACEMENT
Tools Required: Phillips Head Screwdriver
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights, heating elements and top
panel 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. Unplug the unit from power outlet.
2. Remove the front glass and set aside in a safe place.
3. Remove the rebox from the back of the mantel by
removing the retaining screws which secure the rebox
brackets to the mantel.
4. Remove the two screws along the back of the unit and
the two on either side along the bottom edge. (Figure 5)
5. Lay the Compact Fireplace on its back.
6. Gently open the bottom panel, laying it on the work sur-
face so that all of the components can easily be seen.
(Figure 6)
7. Remove the two screws on each side that secure the
partially reective support bracket to the rebox.
8. Remove the partially reective support bracket.
9. Remove the partially reective panel by sliding it out of
the side channels towards the bottom.
10. Locate and release the thermistor from the back panel
by using needle nose pliers to depress the tab on the
mounting standoffs and gently lift the board off.
11. There is one connection located on the display/control
board that may require the board to be removed. This
can be done by removing the two screws on the right
hand side of the unit to remove the display/control
board to remove the connection and replace it with the
new one.
12. Install the new thermistor.
13. Reassemble in the reverse order as above.
Figure 7
Back
Ledge
Rear
Tab
Side Section
Log
Ember
Bed
Front
Edge
11
Page 12
TROUBLESHOOTING GUIDE
PROBLEM CAUSE SOLUTION
General
Circuit breaker trips or fuse
blows when unit is turned
on
Lights dim in room while the
unit is on
Power cord gets warm Normal Operation The power cord may get slightly warm to the
Appearance
Fireplace does not turn on
with manual controls
Fireplace does not turn on
with the Remote Control
Display is ashing Loose wiring Check wiring connections
Display has a “PF” showing Loose connection of the
Display has “= =” showing The ambient temperature around
Flame Frozen Loose wiring Check wiring connections
Flame is not visible Loose wiring Check wiring connections
Color is not visible in the
ame
Flame Shudder Defective Flicker Motor Replace Flicker Motor 2000500100RP
Light leaking around the log
set (if applicable)
Short in unit wiring. Trace wiring in unit.
Improper circuit current rating Additional appliances may exceed the current
rating of the circuit breaker or fuse. Plug unit
into another outlet or install unit on a dedicated 15 amp circuit.
Unit is drawing close to circuit
current rating
Defective power cord Replace power cord if cord gets hot to the
Improper operation Refer to Operation Section
No incoming voltage from the
electrical wall socket
Loose wiring Check wiring connections
Defective switchboard Replace the switchboard 3001520100RP
Defective display/control board Replace the display/control board
Defective relay board Replace the relay board 3001440100RP
Defective AC/DC adapter Replace the AC/DC adapter 2100250100RP
Improper operation Refer to Operation Section
The batteries in the remote control are dead.
Defective display/control board Replace the display/control board
Defective AC/DC adapter Replace the AC/DC adapter 2100250100RP
Defective display/control board Replace the display/control board
thermistor
Defective thermistor Replace the thermistor 3001560100RP
the unit is too low (≤ 32°F/0°C)
Defective Flicker Motor Replace Flicker Motor 2000500100RP
Flame LED light assembly is not
working
Defective display/control board Replace the display/control board
Loose wiring Check wiring connections
Color ame LED light assembly is
not working
Log set not positioned properly Check log set for proper t
Move the unit to another outlet or install unit
on a dedicated 15 amp circuit
touch when the heater is on
touch.
Check Fuse/Breaker Panel
Install new battery into the remote control.
Check wiring connection
Allow the heater to run for 10-15 minutes to
allow the motor to heat up the enclosure and
begin to operate normally.
Replace Flame LED light assembly
Replace the color ame LED light assembly
PART NUMBER
4100090204RP
Log 3001430100RP
Glass 3001430300RP
Log 3001430100RP
Glass 3001430300RP
Log 3001430100RP
Glass 3001430300RP
3001390100RP
Log 3001430100RP
Glass 3001430300RP
Log 3001500100RP
Glass 3001500200RP
12 www.dimplex.com
Page 13
PROBLEM CAUSE SOLUTION
Heater
Heater is not turning off Improper operation Refer to Operation Section
Defective switchboard Replace switchboard 3001520100RP
Defective thermistor Replace thermistor 3001560100RP
Defective relay board Replace the relay board 3001440100RP
Defective display/control board Replace the display/control board
Heater is not turning on, but
ame effect is still functioning
Heater is turning off after a
couple of minutes of operation
Heater emits an odor Normal Operation Normal operation is when the heater emits
Heating element is glowing
red
Heater fan runs continuously
Noise
Excessive noise with the
heater on
Grinding or excessive noise
with the heater off
Improper operation Refer to Operation Section
The ambient temperature around
the unit is too low (≤ 32°F/0°C)
Loose wiring Trace wiring in unit
Defective switchboard Replace switchboard 3001520100RP
Defective heater assembly Replace heater assembly 2203690100RP
Defective display/control board Replace the display/control board
Build up of dirt/dust in Heater
Assembly
Defective heater assembly Replace heater assembly 2203690100RP
Defective heater assembly Replace heater assembly 2203690100RP
Normal Operation Small glowing sections of the element are
Defective heater assembly If larger glowing sections are causing the
Defective Heater On/Off Switch Replace Heater On/Off Switch
Dirty Heater Assembly Ensure that exterior intake louvers and re-
Defective heater assembly Replace heater assembly 2203690100RP
Flicker rod hitting or rubbing
against internal components
Defective Flicker Motor Replace Flicker Motor 2000500100RP
Allow the heater to run for 10-15 minutes to
allow the motor to heat up the enclosure and
begin to operate normally.
Ensure that exterior intake louvers and rebox cavity are free of dirt/dust.
an odor for a brief period after the heater is
initially turned on. The heater is burning off
any dust accumulated during manufacturing
or operation.
considered normal.
heater to trip the thermal cutout, unplug unit,
discontinue use and replace heater assembly.
box cavity are free of dirt/dust.
Ensure rod is straight and mounted properly
in the bracket, spinning freely away from
other components. Replace if necessary.
Log 3001430100RP
Glass 3001430300RP
Log 3001430100RP
Glass 3001430300RP
2203690100RP
13
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