Service Manual Model BLF34 UL Part Number 6909150100 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 property damage. Dimplex North America Limited 1367 Industrial Road Cambridge ON Canada N3H 4W3 1-888-346-7539 www.dimplex.
TABLE OF CONTENTS OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 EXPLODED PARTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 WIRING DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 MOD 0-A . . .
OPERATION the fireplace off and it will not come back on without being reset. It can be reset by switching the On/Off Switch to Off and waiting five minutes before switching the unit back on. Figure 1 CAUTION: If you need to continuously reset the heater, disconnect power and call Dimplex customer service at 1-888-DIMPLEX (1-888-346-7539). Remote Control C B A WARNING: This electric firebox must be properly in- stalled before it is used.
MAINTENANCE WARNING: Disconnect power before attempting any maintenance or cleaning to reduce the risk of fire, electric shock or damage to persons. ! NOTE: The fireplace should not be operated with an accumulation of dust or dirt on or in the unit, as this can cause a build up of heat and eventual damage. For this reason the heater must be inspected regularly, depending upon conditions and at least at yearly intervals.
EXPLODED PARTS DIAGRAM 3 1 8 5 10 12 13 9 11 7 6 2 4 14 Replacement Parts List 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Element. . . . . . . . . . . . . . . . . . . . . . . . Partially Reflective Glass . . . . . . . . . . . Blower . . . . . . . . . . . . . . . . . . . . . . . . . Front Glass . . . . . . . . . . . . . . . . . . . . . Power Cord . . . . . . . . . . . . . . . . . . . . . Flicker Motor MOD 0-A . . . . . . . . . . . . MOD B . . . . . . . . . . . . . . Flicker Assembly . . . . . . . . . . . . .
WIRING DIAGRAM MOD 0-A L1 120V~ 60Hz RL3 M LED CONTROL BOARD M LED LIGHTS RL2 RL1 N N N N MOD B 6 www.dimplex.
PREPARATION FOR SERVICE ! 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. ! 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” instructions, then move on to the section “INSTRUCTIONS FOR REMOVING FROM WALL”.
Figure 5 32.4 in. (823 mm) 30.0 in. (761 mm) 7.0 in. (179 mm) 6.8 in. (172 mm) 3.8 in. (95 mm) 34.1 in. (867 mm) 19.4 in. (494 mm) 5. Proceed to the instructions within this manual relating to the repair being performed - see Table of Contents for page number. 6. Once repair is complete, reassemble in the reverse order as above. Recessed Mount - Partial In-wall (Figure 7) Tools Required: Philips head screwdriver CAUTION: Follow “Preparation for Service” instructions before proceeding. 1.
ing the screws to prevent the unit from falling. 3. Remove the fireplace out of the opening by slightly lifting and pulling forward. 4. Carefully lay the unit down on a solid flat surface with the front of the unit facing up. ! NOTE: If the surface you are using as a work area is a finished surface that is prone to scratches (i.e. hardwood flooring), it is recommended that a protective barrier be used underneath, (i.e. cloth, cardboard, thick plastic). Figure 7 Mounting holes 5.
3. Using needle nose pliers, pinch the tabs on either side of the switch to release and push the switch up and out of the opening. ! NOTE: Note the orientation of the switch prior to removing. 4. Locate the On/Off Switch (Figure 10). 5. Disconnect the wiring connections noting their original locations. ! NOTE: Using a flat head screwdriver gently pry between the end of the connectors and the switch to release the wires. 6. Reconnect wires onto the prongs on the switch in their original configuration. 7.
unit. CAUTION: Ensure that the assembly is removed carefully, ensuring that no wires are caught or over strained. 3. Locate the defective LED driver board (Figure 10). 4. Transfer the wiring connections from the existing driver board to the new driver board. ! NOTE: Using a flat head screwdriver gently pry between the end of the connectors and the board to release the wires. 5. Remove the LED driver board off the plastic mounts by pinching the plastic mounting tabs with needle nose pliers.
Figure 13 A B mounting bracket. Gently pull the terminal block away from the bracket. 6. Properly orient the new terminal block onto the bracket and re-attach with the 2 mounting screws. 7. Reassemble in the reverse order as above. 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.
CAUTION: Ensure that the assembly is removed carefully, ensuring that no wires are caught or over strained. 5. Remove the Partially Reflective Glass. Carefully place the glass assembly aside in a safe location. 6. Remove the plastic media tray by removing the 6 screws: 3 on the left and 3 on the right of the tray. 7. Remove the flicker rod. This can be done by sliding it to the left which will disengage it from the flicker motor. 8. Locate the LED strip that needs to be replaced. 9.
ELEMENT REPLACEMENT W ARNING: Disconnect power before attempting any maintenance or cleaning to reduce the risk of electric shock or damage to persons. CAUTION: If unit was operating prior to servicing allow at least 10 minutes for lights and heating elements to cool off to avoid accidental burning of skin. Tools required: Phillips head screwdriver. Needle nosed pliers. CAUTION: Follow “Preparation for Service” instructions before proceeding. 1.
unit. CAUTION: Ensure that the assembly is removed carefully, ensuring that no wires are caught or over strained. 9. Remove the 2 screws, that secure the cover panel (Figure 15), located at the top of the mirror on the left side of the unit. 10. Remove the two screws on either side of the heater/ blower assembly and gently lower the assembly so that the top can be viewed. CAUTION: When removing the blower assembly mounting screws, support the assembly to prevent any damage to the unit. 11.
TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION 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 dedicated 15 amp circuit. Unit turns on or off by itself Remote Control has a similar frequency to other remotes in the area. Replace Remote Control.
PROBLEM CAUSE SOLUTION Heater Heater is not turning off Heater is not turning on Heater is turning off after a couple of minutes of operation Heater emits an odor Heater fan turns on but heater lacks heat Heating element is glowing red Heater fan runs continuously Improper operation Refer to Operation Section Defective Remote Switchboard Replace Remote Switchboard Defective Remote Control Receiver Replace Remote Control Receiver Improper operation Refer to Operation Section Loose wiring Tra
