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Owner's Manual
IMPORTANT SAFETY INFORMATION: Always read this manual first before attempting to service this fireplace. For your
safety, always comply with all warnings and safety instructions contained in this manual to prevent personal injury or prop-
erty damage.
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
Service Manual
Model
BLF3451
UL Part Number
6909590100
REV
PCN
DATE
00
-
6-JAN-16
7400890000R00
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Summary of Contents for Dimplex BLF3451
- Page 1 Dimplex North America Limited 6-JAN-16 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 7400890000R00...
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Page 2: Table Of Contents
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 fire, serious injury, or death. www.dimplex.com... -
Page 3: Operation
OPERATION to increase the set point on the unit or the remote. Figure 1 • The Floating Display will indicate the temperature set point as it is adjusted. C D E NOTE: Holding the and the buttons down for two seconds, on the unit, will change the temperature from °C to °F, or vice versa. -
Page 4: Maintenance
Fireplace Surface Cleaning Use only a damp cloth to clean painted surfaces of the fireplace. Do not use abrasive cleaners. Servicing Except for installation and cleaning described in this manu- al, an authorized service representative should perform any other servicing. www.dimplex.com... -
Page 5: Exploded Parts Diagram
EXPLODED PARTS DIAGRAM Replacement Parts List 1. Element......2200510300RP 12. Remote Control ....6700520200RP 2. -
Page 6: Wiring Diagram
WIRING DIAGRAM FLICKER MOTOR SWITCH BOARD LED STRIPS (RGB) - MEDIA BLOWER MOTOR NEUTRAL ELEMENT LED STRIPS (RGB) - FLAME FLAME LED STRIP (AMBER) THERMISTOR ELEMENT LINE DISPLAY / CONTROL BOARD AC/DC ADAPTER THERMAL CUTOUT RELAY BOARD www.dimplex.com... -
Page 7: Preparation For Service
PREPARATION FOR SERVICE Figure 3 NOTE: All components are replaceable from the front of the fireplace while the unit is mounted on the wall, with the exception of replacement of the power cord. Front tray NOTE: If the power cord needs replacing or if the unit needs to be removed from the wall for any other reason please begin service by following the “PREPARATION FOR SERVICE”... -
Page 8: Recessed Mount - Partial In-Wall
NOTE: If the surface you are using as a work area is a Bottom Support finished surface that is prone to scratches (i.e. hardwood Bracket flooring), it is recommended that a protective barrier be used underneath, (i.e. cloth, cardboard, thick plastic). 5. Proceed to the instructions within this manual relating www.dimplex.com... -
Page 9: Switchboard Replacement
There are 2 screws per side, going from the side pan- NOTE: If the surface you are using as a work area is a els out into the side of the wall stud that frames the finished surface that is prone to scratches (i.e. hardwood fireplace. -
Page 10: Relay Board Replacement
7. Reassemble in the reverse order as above. CAUTION: When re-installing, be sure the wires are guided and tucked into the proper openings along the right side so they are not pinched and allows enough space to reinstall the panel. www.dimplex.com... -
Page 11: Display / Control Board Replacement
DISPLAY / CONTROL BOARD FLICKER MOTOR REPLACEMENT REPLACEMENT WARNING: Disconnect power before attempting any maintenance or cleaning to reduce the risk of electric WARNING: Disconnect power before attempting any shock or damage to persons. maintenance or cleaning to reduce the risk of electric CAUTION: If unit was operating prior to servicing allow shock or damage to persons. -
Page 12: Flicker Motor/ Flicker Rod Replacement
CAUTION: When removing and replacing the flicker motor try to keep any slight bending of the flicker rod minimal so as to not damage it. If flicker rod is damaged, it should be replaced to ensure proper operation. Figure 13 Retaining Brackets www.dimplex.com... -
Page 13: High Temperature Cutout Replacement
HIGH TEMPERATURE CUTOUT 8. Remove the 2 screws, that secure the controls assem- bly (Figure 9), located at the top of the mirror on the REPLACEMENT right side of the unit. WARNING: Disconnect power before attempting any 9. Slide the controls assembly out toward the front of the maintenance or cleaning to reduce the risk of electric unit. -
Page 14: Blower/Fan Replacement
Partially Reflective Glass. (Figure 14) acrylic ember-bed pieces together. 3. Remove the Partially Reflective Glass. Carefully place NOTE: Try to ensure the pieces do not get pushed or the glass assembly aside in a safe location. wedged underneath the Partially Reflective Glass. They www.dimplex.com... - Page 15 may obstruct the ease of removing the Partially Reflective Glass from the fireplace. 2. Remove the Partially Reflective Glass retaining brack- ets by removing the 3 screws on each brackets; (3 brackets in total), located on the left and right side of the Partially Reflective Glass.
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Page 16: Troubleshooting Guide
Replace media LED light assembly or log 6 LED - 3001570100RP set is not working 4 LED - 3001570400RP Defective display/control board Replace the display/control board 3001640100RP Media bed lighting comes Defective display/control board Replace the display/control board 3001640100RP on by itself www.dimplex.com... - Page 17 PROBLEM CAUSE SOLUTION PART NUMBER Heater Heater is not turning on, but Improper operation Refer to Operation Section flame effect is still function- Loose wiring Trace wiring in unit Defective display/control board Replace the display/control board 3001640100RP Defective Heating Element Replace Heating Element 2200510300RP Heater is turning off after a...
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