Dimplex EF2870 User manual

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 prop-
erty damage.

2
Always use a qualied 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.
Operation ...........................................................3
Exploded Parts Diagram - EF2870 .......................................5
Replacement Parts - EF2870 ...........................................5
Exploded Parts Diagram - EF2570 .......................................6
Replacement Parts - EF2570 ...........................................6
Wiring Diagram - EF2870 ..............................................7
Wiring Diagram - EF2570 ..............................................7
Flicker Motor Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Flame LED Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Cord Set Replacement ................................................8
Display Board Replacement............................................8
IR Sensor Replacement ...............................................8
Thermistor Replacement ..............................................9
Heater Assembly Replacement .........................................9
Switchboard Replacement .............................................9
Control Board Replacement............................................9
EF2570 COMPONENT PICTURES ......................................10
EF2870 COMPONENT PICTURES ......................................11
Troubleshooting Guide ...............................................12
TABLE OF CONTENTS

3
To disable:
Press and holding the button on the unit for 5 seconds
will disable the heater, indicated by the temperature dis-
play ashing.
To enable:
With the temperature displayed (it will be ashing), press
and hold the button on the unit for 5 seconds to reacti-
vate the heating controls.
D - Down Lighting On/Off
Turns the down lighting On and Off.
E - Sleep Timer
This icon will light up with a blue light when using the Timed
Shut-OFF function. A time will be displayed on the main dis-
play ranging from 10(minutes) to 6 (hours).
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 (Figure 2)
The replace is supplied with an IR multifunction remote.
Before the remote will operate the plastic insulating sheet
needs to be removed.
Battery Replacement
Battery Requirements: CR2025 button battery
①Locate and remove the battery bracket (Figure 2).
②The battery has two sides, one with a button feature,
and the other is at.
③Insert the battery with the button side down into the bat-
tery bracket, making sure the battery is rmly seated.
Battery must be recycled or disposed of properly.
Check with your Local Authority or Retailer for recy-
cling advice in your area.
OPERATION
Figure 1
WARNING: This electric rebox must be properly installed
before it is used.
The manual controls for the unit are located in the top right
hand corner. (Figure 1)
!NOTE: Press any button to activate the On-Screen
display before making any changes.
A - Standby
Turns the unit On and Off. When the unit is turned back
On, the system will recall its last heat setting used.
!NOTE: When the unit is turned OFF the embers of the
log set will not immediately go out. This is a designed fea-
ture to represent the embers of the re slowly fading out
!NOTE: Although the heater has been turned off the fan
may still run to prevent over heating.
B - Light Control
Adjusts the brightness of the ames and logs. Repeatedly
pressing the light control button will cycle through the ve
different levels of ame brightness.
When adjusting the brightness of the ames this icon will
light up with a blue light. The setting will be displayed on
the main display with L1 being the lowest setting and L5
being the highest.
!NOTE: When the unit is in L4 the logs will slowly fade
On and Off.
C - Thermostat
By pressing the , on the rebox, or the and , on the
remote, the 7 different temperature settings that the rebox
can be operated at will be cycled through.
60°C (99°F) → 30°C (86°F) → 28°C (82°F) → 26°C
(78°F) → 24°C (75°F) → 22°C (71°F) → “OF” (for use with-
out the heater)
Press and hold the down arrow for 5 seconds to switch
temperature readout from °C and °F.
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.
ABCDE
Figure 2

4
play ashing.
To enable:
With the temperature displayed (it will be ashing), press
and hold the button on the unit for 5 seconds to reacti-
vate the heating controls.
D - Sleep Timer
This icon will light up with a blue light when using the Timed
Shut-OFF function. A time will be displayed on the main dis-
play ranging from 10 (minutes) to 6 (hours).
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 (Figure 4)
The replace is supplied with an IR multifunction remote.
Before the remote will operate the plastic insulating sheet
needs to be removed.
Battery Replacement
Battery Requirements: CR2025 button battery
①Locate and remove the battery bracket (Figure 4).
②The battery has two sides, one with a button feature,
and the other is at.
③Insert the battery with the button side down into the bat-
tery bracket, making sure the battery is rmly seated.
Battery must be recycled or disposed of properly.
Check with your Local Authority or Retailer for recy-
cling advice in your area.
ABCD
WARNING: This electric rebox must be properly installed
before it is used.
The manual controls for the unit are located in the top right
hand corner. (Figure 3)
!NOTE: Press any button to activate the On-Screen
display before making any changes.
A - Standby
Turns the unit On and Off. When the unit is turned back On,
the system will recall its last heat setting used.
!NOTE: When the unit is turned OFF the media lighting
will not immediately go out. This is a designed feature to
represent the embers of the re slowly fading out.
!NOTE: Although the heater has been turned off the fan
may still run to prevent over heating.
B - Light Control
Adjusts the lighting of the media. Repeatedly pressing the
light control button will cycle through the ve different colors
of ame.
When adjusting the color of the media lighting this icon will
light up with a blue light. The setting will be displayed on
the main display with the ames in the corresponding color:
L1 - Blue, L2 - Pink, L3 - White, L4 - Autocycle, and L5 -
Orange.
C - Thermostat
By pressing the , on the rebox, or the and , on the
remote, the 7 different temperature settings that the rebox
can be operated at will be cycled through.
60°C (99°F) → 30°C (86°F) → 28°C (82°F) → 26°C
(78°F) → 24°C (75°F) → 22°C (71°F) → “OF” (for use with-
out the heater)
Press and hold the down arrow for 5 seconds to switch
temperature readout from °C and °F.
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.
To disable:
Press and holding the button on the unit for 5 seconds
will disable the heater, indicated by the temperature dis-
Figure 3
Figure 4

5
EXPLODED PARTS DIAGRAM - EF2870
6
1
2
3
4
14
8
7
13
11
5
1. Flicker Motor . . . . . . . . . . . . . . . . . . . .
2. Flicker Rod .....................
3. Heater Assembly (with cutout) .....
4. Control Board ...................
5. Switchboard ....................
6. Display Board ...................
7. Thermistor......................
8. Flame LED's ....................
REPLACEMENT PARTS -
9. Ember LED's . . . . . . . . . . . . . . . . . . . .
10. Down Lights ....................
11. Cord Set ........................
12.
Front Glass Assembly . . . . . . . . . . . . .
(comes with screws to attach to unit)
13. Remote Control..................
14. IR Sensor ......................
15.
Logset Assembly. . . . . . . . . . . . . . . . .
9

6
EXPLODED PARTS DIAGRAM -
REPLACEMENT PARTS -
1. Flicker Motor . . . . . . . . . . . . . . . . . . . .
2. Flicker Rod .....................
3. Heater Assembly (with cutout) ......
4. Control Board ...................
5. Switchboard ....................
6. Display Board ...................
7. Thermistor......................
8. Flame LED's ....................
9. Ember LED's . . . . . . . . . . . . . . . . . . . .
10. Cord Set .......................
11. Front Glass . . . . . . . . . . . . . . . . . . . . .
(comes with screws to attach to unit)
12. Remote Control..................
13. IR Sensor ......................
14.Crystals . . . . . . . . . . . . . . . . . . . . . . . .
15.
River Stones . . . . . . . . . . . . . . . . . . . .
6
1
2
3
4
13
8
7
12
5
9
10

7
WIRING DIAGRAM -
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THERMIST
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DISPLAY
REMOTE
MOTOR
HEATING ELEMENTS

8
FLICKER MOTOR REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Locate the icker rod and gently move it horizontally to
the right, to disengage the end from the rubber grom-
met on the icker motor.
4. Locate the icker motor retaining bracket
5. Disconnect the two screws, from the outside of the unit,
that secure the mounting bracket to the side, to remove
the icker motor.
6. Remove the icker motor from the bracket and trace
the wires to the wire connectors or terminal block
(mounted on the bottom of the unit).
7. Disconnect the wiring connections noting their original
locations, from the terminal block, and replace with the
wires from the new motor.
8. Reassemble in the reverse order as above.
FLAME LED REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to
servicing allow at least 10 minutes for light bulbs and
heating elements to cool off to avoid accidental burning
of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Locate the icker rod and gently move it horizontally to
the right, to disengage the end from the rubber grom-
met on the icker motor.
4. Locate the ame LED strip.
5. Remove the 2 retaining screws.
6. Disconnect the wiring connection and install the new
LED board.
7. Reassemble in the reverse order as above.
CORD SET REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Locate and disconnect the power cord wiring connec-
tions, on the terminal block, noting their original loca-
tions.
4. With needle nose pliers grasp the power cord strain
relief grommet from inside the right rear of the panel
and push while twisting to remove.
5. Pull the power cord out through the hole in side of the
unit.
6. Insert the new power cord through the hole and con-
nect all of the wiring connections in their original loca-
tions.
7. Install the power cord strain relief grommet on the
replacement cord.
8. Reassemble in the reverse order as above.
DISPLAY BOARD REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Locate and remove the display board cover, secured
with two screws.
4. Remove the two screws securing the display board to
the unit.
5. Trace the wire back to the control board and discon-
nect.
6. Connect the new control board and reassemble.
WARNING: Ensure wires do not come in contact with
moving parts by securing wires in wiring tie wraps.
IR SENSOR REPLACEMENT
Tools required: Phillips head screwdriver
Needle Nose Pliers
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of

9
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Locate and disconnect the two tabs, by squeezing the
tabs securing the IR sensor to the unit, with needle
nose pliers.
4. Trace the wire back to the control board and discon-
nect.
5. Connect the new IR sensor and reassemble.
WARNING: Ensure wires do not come in contact with
moving parts by securing wires in wiring tie wraps.
THERMISTOR REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Remove the top panel by removing the two screws on
either end.
4. Locate and remove the thermistor from the unit, se-
cured by one screw.
5. Trace the wire back to the control board and discon-
nect.
6. Connect the new thermistor and reassemble.
WARNING: Ensure wires do not come in contact with
moving parts by securing wires in wiring tie wraps.
HEATER ASSEMBLY REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Remove the top panel by removing the two screws on
either end.
4. The heater assembly is attached to the unit with two
brackets (one at the front of the unit and the other at
the back) with two screws on each. Remove the heater
assembly from the unit.
5. Disconnect the wiring connections, at the control board,
and install the new heater assembly.
6. Reattach the wiring and reassemble.
WARNING: Ensure wires do not come in contact with
moving parts by securing wires in wiring tie wraps.
SWITCHBOARD REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Remove the top panel by removing the two screws on
either end.
4. Locate and remove the switch board from the unit,
secured by two screws.
5. Disconnect the wiring connection and install the new
switchboard.
6. Connect the new switchboard and reassemble.
WARNING: Ensure wires do not come in contact with
moving parts by securing wires in wiring tie wraps.
CONTROL BOARD REPLACEMENT
Tools required: Phillips head screwdriver
WARNING: If the replace was operating prior to ser-
vicing allow at least 10 minutes for the heating elements
to cool off to avoid accidental burning of skin.
WARNING: Disconnect circuit power before attempt-
ing any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
1. Remove the rebox out of the cabinet.
2. From the back of the unit remove the screws (16 on the
EF2870 and 12 on the EF2570) that secure the back
panel to the rebox.
3. Remove the top panel by removing the two screws on
either end.
4. Locate and remove the control board from the unit,
secured by four screws.
5. Disconnect the wiring connection, noting their original
locations, and install the new switchboard.
6. Connect the new switchboard and reassemble.
WARNING: Ensure wires do not come in contact with
moving parts by securing wires in wiring tie wraps.

10
COMPONENT PICTURES
Heater Assembly, Control board & IR Sensor
Flame LED Assembly
Front view of unit
Flicker Motor, Terminal Block, Flicker Rod
and Cord Set Connection
Display Board (with cover and without) Control Board

11
Front view of unit Heater Assembly and Control board
Flicker Motor, Terminal Block and Flicker Rod Flame LED Assembly
Display Board (with cover and without)
Control Board and Switch Board
EF2870 COMPONENT PICTURES
Thermistor

12
PROBLEM CAUSE SOLUTION PART NUMBER
General
Circuit breaker trips or fuse
blows when unit is turned
on
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 dedi-
cated 15 amp circuit.
Lights dim in room while the
unit is on
Unit is drawing close to circuit
current rating
Move the unit to another outlet or install unit
on a dedicated 15 amp circuit
Power cord gets warm Normal Operation The power cord may get slightly warm to the
touch when the heater is on
Defective power cord Replace power cord if cord gets hot to the
touch.
Appearance
Fireplace does not turn on
with manual controls
Improper operation Refer to Operation Section
No incoming voltage from the
electrical wall socket
Check Fuse/Breaker Panel
Loose wiring Check wiring connections
Defective switchboard Replace the switchboard
Defective control board Replace the control board
Fireplace does not turn on
with the Remote Control
Improper operation Refer to Operation Section
The batteries in the remote con-
trol are dead.
Install new battery into the remote control.
Defective remote control Replace the remote control
Defective IR sensor Replace IR sensor
Defective control board Replace the control board
Display is not working Loose wiring Check wiring connections
Defective display board Replace the display board
Defective control board Replace the control board
Display is showing “88” Unit requires resetting Turn all of the controls to Off and unplug the
unit from the wall for 5-10 minutes, then plug
back in
Display has a “EEE”
showing
Loose connection of the
thermistor
Check wiring connection
Defective thermistor Replace the thermistor
Flame Frozen Loose wiring Check wiring connections
Defective Flicker Motor Replace Flicker Motor
Flame is not visible Loose wiring Check wiring connections
LED ame assembly is not
working
Replace LED ame assembly
Defective control board Replace the control board
Flame Shudder Defective Flicker Motor Replace Flicker Motor
Media is not lighting up Loose wiring Check wiring connections
Ember LED light assembly is not
working
Replace ember LED light assembly
Light leaking around the log
set (if applicable)
Log set not positioned properly Check log set for proper t
TROUBLESHOOTING GUIDE

13
PROBLEM CAUSE SOLUTION
28” - 9601130800RP
Heater
Heater is not turning off Improper operation Refer to Operation Section
Defective switchboard Replace switchboard
Defective thermistor Replace thermistor
Defective control board Replace the control board
Heater is not turning on, but
ame effect is still function-
ing
Improper operation Refer to Operation Section
Unit requires resetting Turn all of the controls to Off and unplug the
unit from the wall for 5-10 minutes, then plug
back in
Loose wiring Trace wiring in unit
Defective switchboard Replace switchboard
Defective heater assembly Replace heater assembly
Defective control board Replace the control board
Heater is turning off after a
couple of minutes of opera-
tion
Build up of dirt/dust in Heater
Assembly
Ensure that exterior intake louvers and rebox
cavity are free of dirt/dust.
Defective heater assembly Replace heater assembly
Heater emits an odor Normal Operation Normal operation is when the heater emits
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.
Defective heater assembly Replace heater assembly
Heating element is glowing
red
Normal Operation Small glowing sections of the element are
considered normal.
Defective heater assembly If larger glowing sections are causing the
heater to trip the thermal cutout, unplug unit,
discontinue use and replace heater assembly.
Noise
Excessive noise with the
heater on
Dirty Heater Assembly Ensure that exterior intake louvers and rebox
cavity are free of dirt/dust.
Defective heater assembly Replace heater assembly
Grinding or excessive noise
with the heater off
Flicker rod hitting or rubbing
against internal components
Ensure rod is straight and mounted properly
in the bracket, spinning freely away from other
components. Replace if necessary.
Defective Flicker Motor Replace Flicker Motor