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the wires. 

7.  Cut and remove plastic cable tie that hold the wires in 

place on the top of the panel.

8.  Properly orient the new high temperature cutout and 

connect all of the wiring connections.

9.  Reassemble in the reverse order as above.

BLOWER/FAN REPLACEMENT

  

WARNING:

 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.  Remove the 5 screws that secure the angled switch 

housing cover located just below the Remote Switch-
board on the top right. Remove cover and set aside.

2.  Loosen the front panel that spans across the top front 

facia. To do so, locate the 4 screws: 2 on the left and 
2 right on the angled part behind the facia. This piece 
can be removed by turning it 90 degrees and allowing 
the glass mounting screw slide through the slot in the 
backside of the panel.

3.  Remove the heating assembly cover in the top center 

by removing the 6 screws on the side brackets: 3 on 

the left and 3 on the right (at the front). Wires from the 

switch housing are connected through this piece, so 
carefully move it farther down in the body of the unit, to 
give some room to access the heating assembly hous-
ing. 

4.  Release the top panel of the heating assembly hous-

ing by removing 4 screws on the side brackets. Pull 
the top panel of the heating assembly housing out from 
between the brackets. 

5. 

From the top panel of the heating assembly housing, 

locate and remove the 6 screws that hold the blower/
fan assembly to the housing panel. Separate the 
blower assembly from the housing panel.

 CAUTION:

 When removing the blower assembly mount-

ing screws support the assembly to prevent any damage to 
the unit.

6.  Disconnect the wiring connections noting their original 

locations. 

!

 

NOTE: 

Using a flat head screwdriver gently pry be

-

tween the end of the connectors and the blower/fan to 
release the wires. 

7.  Properly orient the new blower/fan assembly and con-

nect all of the wiring connections.

8.  Reassemble in the reverse order as above.

POWER CORD REPLACEMENT

  

WARNING:

 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.

 CAUTION: 

Follow “Instructions from Removing from 

Wall” before proceeding.

1.  Locate the power cord and remove the 3 screws that 

attach the metal bracket to the unit - one on the back of 

the unit and two on the bottom. (Figure 4)

2. 

From the front, remove the 2 Philips screws that fasten 

the front panel tabs, tilt the panel forward and lift off. 

(Figure 10)

3.  Remove the 4 screws that fasten the acrylic media tray 

and the 2 screws that attach the media tray to the unit. 
The media tray cannot be removed but will now allow 
the ability to remove the electrical box.

4.  Remove the Phillips screw to release the electrical box 

cover in the bottom, right corner of the fireplace (Figure 

5).

5.  Carefully slide the electrical box to the right to release 

the securing tabs, as wires are fed through the strain 
reliefs on the cover and are connected within.

6.  Unscrew the two wire connectors inside the electrical 

box and separate the wires (Figure 6).

7.  Pull the junction box and power cord out the front of the 

fireplace.

8.  With a pair of needle nose pliers, open the strain relief 

bushing that holds the power cord in place on the junc-
tion box and remove the cord.

9. 

Feed the new power cord through the junction box and 

squeeze the new strain relief in place on the cord and 

junction box. Re-connect wires. –(Wide blade on the 

plug is the neutral side of the power cord).

10.  Reassemble in the reverse order as above. 

Summary of Contents for Prism BLF5051

Page 1: ...th America Limited Dimplex North America Limited 1367 Industrial Road Cambridge ON Canada N1R 7G8 1 888 346 7539 www dimplex com REV PCN DATE 00 17 JUL 15 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...

Page 2: ... 4 EXPLODED PARTS DIAGRAM 5 WIRING DIAGRAM 6 PREPARATION FOR SERVICE 7 INSTRUCTIONS FOR REMOVING FROM WALL 7 Surface Mount 8 Recessed Mount Partial In wall 8 Flush Mount Complete In wall 9 LED LIGHT STRIPS REPLACEMENT 9 LED MEDIA STRIPS REPLACEMENT 10 ELECTRONICS JUNCTION BOARD REPLACEMENT 10 FLOATING DISPLAY ASSEMBLY REPLACEMENT 11 LED DRIVER BOARD REPLACEMENT 11 MAIN CONTROL BOARD REPLACEMENT 11...

Page 3: ...ess Changes the brightness of the lights in the unit Adjusted by repeatedly pressing the corresponding but OPERATION Figure 1 WARNING This electric firebox 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 fireplace or the remote Figure 1 12 The fireplace is supplied with an IR multifunction remote con...

Page 4: ...ycled or disposed of properly Check with your Local Authority or Retailer for recyc ling advice in your area 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 and allow heater to cool before attempting any maintenance or cleaning to reduce the risk of fire electric shock or damage to p...

Page 5: ...3000830200RP 10 Switch Board 3001480100RP 11 LED Driver Board 3000810100RP 12 Remote Control 6700520200RP 13 Floating Display Assembly 3001470100RP 14 Media LED Light Assembly 3001330500RP 15 Electronics Junction Board 3001490100RP 16 Main Control Board 3001260200RP 17 Thermistor 3001380200RP 18 Relay Board 3001360100RP 19 Hardware Kit 9600350100RP 20 Large Ice Chunk Media 1400130200RP 21 Small Ic...

Page 6: ...ARD LINE DISPLAY ASSY RGB LED STRIP JUNCTION BOARD 5 KEY SWITCH BOARD MOTOR HEATER LINE RELAY BOARD NTC L N G ELEMENT CUT OUT BLOWER LED DRIVER BOARD LED DISPLAY BOARD FLICKER MOTOR MOTOR HEATER NEUTRAL FLAME COLOR TOP LIGHT LOG MEDIA NTC GESTURE DISPLAY FAN MAIN BOARD LINE CORD DISPLAY ASSY RGB LED STRIP JUNCTION BOARD 5 KEY SWITCH BOARD MOTOR HEATER LINE RELAY BOARD NTC L N MOD 0 MOD A ...

Page 7: ...e Glass 6 With one hand gently supporting the Partially Reflective Glass carefully pry the Partially Reflective Glass for ward from the upper half so that it begins to tilt forward from the top Grasp the Partially Reflective Glass from the sides and carefully lift it up and out from the front of the fireplace Set it aside in a safe place CAUTION Partially Reflective Glass is not tempered Do not bu...

Page 8: ...y 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 on is a finished surface that is prone to scratches i e hard wood flooring it is recommended that a protective barrier be used underneath i e cloth cardboard thick plastic 3 Proceed to the instructions within this manual relating to the repair being performed see Table ...

Page 9: ...the wall stud that frames the fireplace Figure 9 CAUTION The unit should be supported while remov ing the screws to prevent the unit from falling 2 Remove the fireplace out of the opening by slightly lift ing and pulling forward 3 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 p...

Page 10: ... snips CAUTION Follow Preparation for Service instructions before proceeding 1 Remove the plastic media tray by removing the 6 screws 3 on the left and 3 on the right of the tray Figure 10 2 Partially release the lower face panel by removing the screw on the left side and on the right side of the panel inside the unit Pull the front panel forward from the topside by approximately 2 inches There ar...

Page 11: ... 3 Install the new board onto the unit 4 Transfer the connections from the old board to the new board 5 Ensure that all cords are replaced in the same manner as prior to the service 6 Reassemble in the reverse order as above MAIN CONTROL BOARD REPLACEMENT WARNING Disconnect power before attempting any maintenance or cleaning to reduce the risk of electric shock or damage to persons CAUTION If unit...

Page 12: ...ansfer the connection from the old board to the new board 5 Ensure that all cords are replaced in the same manner as prior to the service 6 Reassemble in the reverse order as above FLICKER MOTOR FLICKER ROD REPLACEMENT WARNING 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 all...

Page 13: ... from the ends of the elements noting their original locations NOTE Using a flat head screwdriver gently pry be tween the end of the connectors and the element to release the wires NOTE Some of the wires may have a piggy back connector that allows a second wire to connect to the same prong as the first wire Try and keep the piggy back con nection together when pulling the wires off the element 7 U...

Page 14: ...e unit 6 Disconnect the wiring connections noting their original locations NOTE Using a flat head screwdriver gently pry be tween the end of the connectors and the blower fan to release the wires 7 Properly orient the new blower fan assembly and con nect all of the wiring connections 8 Reassemble in the reverse order as above POWER CORD REPLACEMENT WARNING Disconnect power before attempting any ma...

Page 15: ...eration 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 6700520200RP Defective display control board assembly Replace the display control assembly 3001470100RP Flame Frozen Loose wiring Check wiring connections Defective Flicker Motor Replace Flicker Motor 2000500100RP Defective...

Page 16: ...er fan turns On but heater lacks heat Improper operation Refer to Operation Section Loose wiring Trace wiring in unit Defective Heating Element Replace Heating Element 2200510500RP Heating element is glowing red Normal Operation Small glowing sections of the element are considered normal Defective Heating Element If larger glowing sections are causing the heater to trip the thermal cutout unplug u...

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