Service Manual
Contents
1. 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 Wire snips CAUTION Follow Preparation for Service instructions before proceeding 1 Remove the 4 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 Remove 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 Wires from the switch housing are connected to this piece so care fully rotate it up 180 degrees and move it farther down in the body of the unit to give some room for access This will make the switch visible from behind 3 Disconnect the wiring connections noting their original locations NOTE Using flat head screwdriver gently pry between the end of the connectors and the switchboard to release the wires 4 remove the switchboard off the plastic mounts cut or pinch the plastic mounting tabs with snips or needle nose pliers Pull the old board off 5 Push the old mounts out towards the front top of the fa cia panel Insert and push the new2. j AAO NO HOLIMS LNAW314a YVANIT ADVLS 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 Tools Required Philips head screwdriver 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 1 Disconnect power source e Unplug the fireplace from the outlet e If unit has been hardwired for power or outlet is not accessible from the front turn the breaker off at the electrical panel 2 Remove the front glass assembly by removing the 2 screws 1 on the left and 1 on the right side located just inside the top front vent opening These screws secure the front glass panel to the inside of the fireplace Figure 4 3 Lift the front glass assembly off of the 4 mounts located between the outer and inner casing of the fireplace 2 on the left and 2 on t
3. Front Panel tabs the front edge pull the tray up and forward to take it out of the fireplace CAUTION Partially Reflective Glass is not tempered Do not bump or drop the Partially Reflective Glass to avoid breakage and personal injury NOTE the repair is completed replace the media tray first before re inserting the Partially Reflective Glass 1 screw on both the left and right side of the media tray closest to the front to align the tray and keep it in place Put the Partially Reflective Glass with the rubber protective strip at the top and secure with the side mounting brackets e Secure the remaining 4 screws in the media tray www dimplex com 17 8 Figure 6 Le 481 123 cm 5 46 116 7 6 50 546 128 16 18 40 6 cm 45 7 eee 1346 9 7 cm 9 Proceed to the instructions within this manual relating to the repair being performed see Table of Contents for page number INSTRUCTIONS FOR REMOVING FROM WALL 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 ac
4. 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 Ifthe 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 4 Proceed to the instructions within this manual relating Figure 10 Wall Surface Mounting Hole www dimplex com to the repair being performed see Table of Contents for page number 5 Once repair is complete reassemble in the reverse order as above LED LIGHT STRIPS REPLACEMENT WARNING Disconnect power before attempting any maintenance or cleaning to reduce the risk of electric shock or damage to persons amp 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 Wire snips CAUTION Follow Preparation for Service instructions before proceeding 1 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 are 3 additional screws located u
5. inside the unit There are 3 ad 12 www dimplex com 8 ditional screws located underneath the front face but do not need to be removed If the 3 bottom screws to the front panel are accessible in your application you can remove them to obtain the most clearance for the repair If they are not acces sible you can still proceed with them attached and pulling the front panel forward from the top end by ap proximately 2 inches Remove the electrical junction box cover located on the bottom right hand side Lift the cover out and set aside Remove power cord junction box by removing the 3 screws located on the bottom left corner of the firebox 2 screws are on the outer bottom panel and 1 screw is on the outer back panel Unscrew the 2 wire connectors that join the power cord at the bottom to the wire leads coming down from the top 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 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 Reassemble in the reverse order as above 13 ASSEMBLY PART PICTURES 3 STAGE REMOTE CONTROL RECEIVER LED DRIVER BOARD 55 29 14 www dimplex com LOWER ELECTRICAL HOUSING With Housing Cover and Flicker Rod in place
6. Operation Section ally No incoming power from the electrical Check fuse breaker panel wall socket Remote Control not working Install new battery into the Remote Control Initialize Remote Control where necessary Replace Remote Control Receiver or Remote Control where necessary Initialize Remover Control and Remote Control Receiver Ye 18 www dimplex com PROBLEM SOLUTION Heater 0 5 9 9 OSO Heater is not turning off Improper operation Defective Remote Switchboard Defective Remote Control Receiver Heater is not turning on Improper operation Loose wiring Trace wiring in unit Defective Remote Switchboard Replace Remote Switchboard Defective Heating Element Replace Heating Element Heater is turning off after a Build up of dirt dust in Blower Fan Ensure that exterior intake louvers and firebox cavity couple of minutes of operation are free of dirt dust Defective Blower Fan Replace Blower Fan 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 Heating Element Heating element is glowing red Normal Operation Small glowing sections of the element are considered normal Defective Blower Fan If larger glowing sections are causing the heater to trip the thermal cutout unplug unit disco
7. assembly cover 3 Remove the heating assembly cover in the top center by removing the 10 screws on the side brackets 5 on the left and 5 on the right Wires from the switch hous ing are connected to this piece so carefully move it farther down in the body of the unit to give some room to access the heating assembly housing 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 mounting 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 between 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 ON OFF SWITCH REPLACEMENT WARNING Disconnect power before attempting any maintenance or cleaning to reduce the risk of electric shock or damage to persons amp CAUTION If unit was operating prior to servicing allow at least 10 minutes for lights and heating elements to cool o
8. mounting screws that are holding the fireplace to the wall along the back panel of the unit Support the weight of the fireplace when loosening the screws so unit does not fall off the wall unexpectedly NOTE Be sure to take note of which keyhole mount openings were used for positioning the fireplace so that it can be re placed in the same location when service is complete Figure 7 2 Take the fireplace off the wall by carefully lifting the fireplace off the mounting screws so they line up to the larger part of the keyhole openings and pull forward Carefully lay the unit down on a solid flat surface with the front of the unit facing up Figure 7 Key hole Wall stud Permanent mounting hole NOTE If the surface you are using as a work area 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 of Contents for page number 4 Once repair is complete reassemble in the reverse order as above Recessed Mount Partial In wall Figure 8 Tools Required Philips head screwdriver CAUTION Follow Preparation for Service instructions before proceeding 1 Remove the 4 mounting screws located approximatel
9. mounts all the way through into the same opening Line up the holes on the switchboard and gently press the new board onto the mounts Make sure the board is secure 6 Reconnect the wires onto the back of the switchboard in its original configuration 7 Reassemble in the reverse order as above REMOTE CONTROL RECEIVER 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 Wire snips CAUTION Follow Preparation for Service instructions before proceeding 1 On the top right side of the back panel just below the manual control switches remove the 2 screws that se cure the upper control panel cover Remove the cover and set aside to allow access to the Remote Control Receiver wires the board is the larger circuit board on the left 2 Remove any plastic cable ties to allow for easier re moval of the wires on the Remote Control Receiver 3 Remove the wires off the Remote Control Receiver taking careful note of the original location of the wires NOTE Using flat head screwdriver gently pry be tween the end of the connectors and the receiver to release the wires NOTE Some of the w
10. EMENT WARNING Disconnect power before attempting any maintenance or cleaning to reduce the risk of electric shock or damage to persons 4 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 Wire Snips 10 www dimplex com CAUTION Follow Preparation for Service instructions before proceeding 1 Remove the 4 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 Remove 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 Wires from the switch housing are connected to this piece so care fully move it farther down in the body of the unit to give some room to access the heating assembly cover 3 Remove the heating assembly cover in the top center by removing the 10 screws on the side brackets 5 on the left and 5 on the right Wires from the switch hous ing are connected to this piece so carefully move it farther down in the body of the unit to give some room to access the heating assembly housing 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 betwe
11. EMENT REPLACEMENT 2 lt 10 HIGH TEMPERATURE CUTOUT REPLACEMENT 10 BLOWER FAN REPLACENIENT 2cccn lt ccdesageettebete nbetetanceesecas 11 ON OFF SWITCH REPLACEMENT 2222420 48te60sbe 11 REMOTE SWITCHBOARD REPLACEMENT Bk ee eee ee eles 12 REMOTE CONTROL RECEIVER 12 POWER CORD REPLACEMENT 12 12 ASSEMBLY PART PICTURES 14 TROUBLESHOOTING GUIDE oe erate we me See 18 Always use a qualified technician or service agency to repair this fireplace 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 2 www dimplex com OPERATION The BLF50 operates in a 3 Stage process These stages can be controlled either by the remote control or by the manual controls which are located on the right side of the unit and inside the air intake slot Figure 1 Figure 1 Ma
12. LOWER ELECTRICAL HOUSING With Housing Cover and Flicker Rod Removed LED LIGHT STRIP WIRE HARNESS oF ELEMENT CONNECTIONS Left and Right Side gt www dimplex com HIGH TEMPERATURE CUTOUT Below Element Housing BLOWER MOTOR CONNECTIONS Below Element Housing 17 TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION blows when unit is turned on 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 Replace Remote Control Initialize to Remote Control to other remotes in the area Receiver Radio frequency disturbance from out Replace Remote Control and Remote Control Re side sources ceiver where necessary Initialize Remote Control and Receiver Defective Remote Control Receiver Replace Remote Control Receiver Initialize Remote Control and Receiver Lights dim in room while the unit Unit is drawing close to circuit current Move the unit to another outlet or install unit on a dedi is on rating cated 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 too hot to touch Appearance Fireplace does not turn on Manu Improper operation Refer to
13. cidental burning of skin NOTE Only required for replacement of the power cord or removal from service amp CAUTION Follow Preparation for Service instructions before proceeding Mounting The fireplace may be mounted in one of 3 meth ods e Surface Mount e Recess Mount partially in the wall e Flush Mount completely the wall Identify the type of mounting and follow the appropriate instructions in the following pages See Figure 6 for the top and side profile view with measurements of the back panel CAUTION Two people will be required for removal and re installation of the fireplace The unit is approx 50 5 16 x 19 1 2 h 77 Weight is approximately 75165 CAUTION To prevent injury or damage turn off the breaker in your electrical panel prior to attempting to re move this unit off the wall NOTE If fireplace is hard wired directly to the electri cal panel and there is not enough slack in the wires within the wall to reach your work area remove the electrical junc tion box cover located on the bottom right by removing the 1 screw on the front of the cover Lift the cover off and set aside Disconnect the 3 wire connectors connected to the power source taking note of their original configuration Surface Mount Figure 7 Tools Required Philips head screwdriver CAUTION Follow Preparation for Service instructions before proceeding 1 Partially unscrew the rear
14. d every time the ON button is pressed on the remote control and the fireplace can be turned off at any point by pressing the OFF button Battery Replacement To replace the battery 1 Slide battery cover open on the Remote Control Figure 2 2 Install one 1 12 Volt 23 battery in the battery holder 3 Close the battery cover Figure 2 On Button Battery must 4 be recycled or disposed of properly Check with Off Button Plastic your Local Authority or Strip Retailer for recycling advice in your area Battery Cover EXPLODED PARTS DIAGRAM Replacement Parts List 1 2200510500RP 2 Partially Reflective Glass 5901920100RP 3 5300260100RP 4 Front 55 5901930100RP 5 Power 8400320100RP Flicker 2000220100RP 7 Flicker 5901910100RP 8 shen Tu 2300200100RP 9 LED Light Strips 3000830102RP 10 Remote Control Receiver 3000820100RP 11 12 13 14 15 16 17 18 19 Remote Switchboard 3000820300RP LED Driver 3000810100RP On Off Switch 2800210200RP Termina
15. e nosed pliers Wire snips CAUTION Follow Preparation for Service instructions before proceeding 1 On the top right side just below the Remote Switch board remove the 2 screws that secure the upper control panel cover Remove the cover and set aside to allow access to the LED Driver Board wires 2 Remove the two 2 cable ties on the right to allow ac cess to the wires of the LED Driver Board 3 the LED Driver Board smaller board on the right remove the two 2 orange wire connectors and sepa rate the wires noting their original configuration 4 Also on the LED Driver Board remove the 2 wire con nectors that join the 2 white wires together and the two black wires together 5 remove the Driver Board off the plastic mounts pinch the plastic mounting tabs with needle nose pliers Pull the old board off 6 Connect the firebox wires onto the new LED Driver Board Spread the flange on the top of the plastic mounting tabs apart and re use them to re secure the new Driver Board into the fireplace Line up the holes on the Driver Board and gently press the new board onto the mounts Make sure the Driver Board is secure 7 Reassemble in the reverse order as above 9 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 servici
16. en the brackets 5 Locate the high temperature cutout and remove the mounting screw 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 cutout to release the wires 7 Cutand 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 4 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 Remove 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 Wires from the switch housing are connected to this piece so care fully move it farther down in the body of the unit to give some room to access the heating
17. ff 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 4 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 Remove 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 Wires from the switch housing are connected to this piece so care fully rotate it up 180 degrees and move it farther down in the body of the unit to give some room for access This will make the switch visible from behind 3 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 switch to release the wires 4 Using needle nose pliers pinch the tabs on either side of the switch to release and push the switch forward out of the front of the panel 11 1 NOTE Note the orientation of the switch prior to removing 5 From the front of the panel insert new switch by push ing switch back through the hole past the side tabs on the switch securing it in the opening 6 Reconnect wires onto the prongs at the back of the switch in their original configuration 7 Reassemble in the reverse order as above REMOTE SWITCHBOARD
18. he right Figure 3 Carefully place the glass assembly aside in a safe location 4 Remove the decorative glass ember bed pieces from the media tray which lies along the bottom of the interior Partially Reflective Glass A medium sized container such as a bucket or a box will be needed to keep the glass ember bed pieces together NOTE Try to ensure the pieces do not get pushed or wedged underneath the Partially Reflective Glass They may obstruct the ease of removing the Partially Reflective Glass from the fireplace 5 Remove the Partially Reflective Glass by removing the 2 screws on each bracket 2 brackets in total located on the left and right side of the Partially Reflective Glass 6 With one hand gently supporting the Partially Reflective Glass carefully pry the Partially Reflective Glass forward 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 7 Remove the plastic media tray by removing the 6 screws 3 on the left and 3 on the right of the tray Figure 5 8 tray has small lip that goes underneath slightly up behind the Partially Reflective Glass from Figure 3 Mounts 4 SL w Hooks 4 EA 4 Tab Figure5 lt Media Tray screws 6 Front Panel
19. ht strip which secure the strips to the light strip covers 7 Cutand remove plastic cable ties that hold the wires in place from the LED light cover at the bottom and up to the LED Driver Board at the top 8 Gently pull the LED light strip wires up and around from the side of the light covers to free the strips The cov ers may require a small amount of pressure upward to allow a little give when feeding the wires around the covers 9 Lift and remove LED strips out of the light covers and slide the wires out of the protective insulation 10 Feed the wires from the new LED strip back through the same protective insulation up to the LED Driver Board 11 Attach the new LED strips to the LED cover with the screws from step 9 12 Route wires around the light covers and re attach the covers with the screws from the outer bottom panel of the fireplace 13 Reconnect the wires at the LED Driver Board at the top using the 2 orange wire connectors from STEP 6 14 Route wires back into control panel area 15 Reassemble in the reverse order as above LED DRIVER 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 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 Needl
20. ires 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 connection together when pulling the wires off the Remote Control Receiver 4 To remove the Remote Control Receiver off the plastic mounts pinch the plastic mounting tabs with needle nose pliers Pull the old board off 5 Attach the firebox wires onto the new Remote Control Receiver Spread the flange on the top of the plastic mounting tabs apart and re use them to re secure the new Remote Control Receiver into the firebox Line up the holes on the Remote Control Receiver and gen tly press the new Remote Control Receiver onto the mounts making sure the board is secure 6 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 Partially release the lower face panel There are 5 screws in total are holding the panel 1 screw on the left and 1 on the right
21. l 4000070100RP 3200030100RP Remote 3000370600RP Glass Ember Bed 1400070100RP Hardware 9600350100RP Plastic Media 5901940100RP gt gt 5 gt gt gt 555 55 gt 5 gt 5 4 www dimplex com WIRING DIAGRAM YOLOW 4 X90194 WNINWYAL Pie 1141 1 91 7 2 gt 5 7 HOLIMS ayoo LAN IAIM Thor LAN IAIM a i LNO LNO Ta IR
22. nderneath the front face but do not need to be removed There should be enough give to allow the panel to pull slightly forward NOTE Ifthe bottom screws to the front panel are accessible in your application you can remove them to obtain the most clearance for the repair If they are not ac cessible you can still proceed with them attached 2 Remove the electrical junction box cover located on the bottom right hand side by removing the screw on the front of the cover Lift the cover out and set aside 3 Remove the flicker rod by slightly bending the rod and pulling the rubber bushing off the motor arm located on the bottom right Remove the middle plastic bushing by lifting it up off the center bracket Slide the remain der of the flicker rod off the end bracket on the left 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 4 On the top right side just below the Remote Switch board remove the 2 screws that secure the upper control panel cover Remove the cover and set aside to allow access to the LED Driver Board wires 5 the LED Driver Board smaller board on the right remove the two 2 orange wire connectors and sepa rate the wires noting original configuration In the lower area of the fireplace remove the 2 screws on each LED lig
23. ng allow at least 10 minutes for lights and heating elements to cool off to avoid accidental burning of skin Tools required Phillips head screwdriver CAUTION Follow Preparation for Service instructions before proceeding 1 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 are 3 additional screws located underneath the front face but do not need to be removed There should be enough give to allow the panel to pull slightly forward 1 NOTE Ifthe bottom screws to the front panel accessible in your application you can remove them to obtain the most clearance for the repair If they are not ac cessible you can still proceed with them attached 2 Remove the electrical junction box cover located on the bottom right hand side by removing the screw on the small mounting flange on the front face of the junction box cover Lift the cover out and set aside Once the cover is removed the flicker motor and terminal block will now be visible 3 Remove the flicker motor wires from the terminal block by removing the 3 small Philips screws holding each wire in place then gently pulling the wires out of the terminal block noting their original locations 4 Remove the 2 screws holding the flicker motor to the mounting bracket Gently pull the motor away f
24. ntinue use and replace Blower Fan Defective Remote Switchboard Replace Remote Switchboard Defective Blower Fan Replace Blower Fan Excessive noise with the heater Dirty Blower Fan Ensure that exterior intake louvers and firebox cavity on are free of dirt dust Defective Blower Fan Replace Blower Fan Grinding or excessive noise with Flicker rod hitting or rubbing against Ensure rod is straight and mounted properly in the the heater off internal components bracket spinning freely away from other components Replace if necessary Defective Flicker motor Replace Flicker motor 19
25. nual Controls A On Off Switch The On Off Switch supplies power to all fireplace functions When the switch is in the position the unit is on When the O position the fireplace is off B 3 Position Selection Switch The 3 Position Selection Switch changes the mode the fireplace operates in and has three 3 positions MANUAL OFF and REMOTE When in REMOTE mode the fireplace s three levels of operation are controlled by the ON and OFF buttons of the remote control In OFF mode power to all functions is cut off In MANUAL mode the fireplace s three levels of operation are controlled by the Manual Control Buttons C Manual Control Buttons The Manual Control Buttons operate the fireplace levels sequentially from off flames only to flames and low heat to flames and high heat The level is increased every time the button is pressed and the fireplace can be turned off at any point by pressing the button Resetting the Temperature Cutoff Switch Should the heater overheat an automatic cut out will turn 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 5 minutes before switching the unit back on CAUTION If you need to continuously reset the heater disconnect power and call Dimplex customer service at 1 888 DIMPLEX 1 888 346 7539 Rem
26. ote Control The fireplace is supplied with a radio frequency remote control This remote control has a range of approximately 50 feet 15 25 m it does not have to be pointed at the fireplace and can pass through most obstacles including walls It is supplied with one of hundreds of independent frequencies to prevent interference with other units NOTE Before attempting any operation with the remote pull the plastic insulator strip out from between the remote casing and battery cover Figure 2 Remote Control Initialization Reprogramming If the remote control or receiver board has been replaced follow these steps to initialize the remote control and receiver 1 Ensure that power is supplied through the main service panel 2 Turn On Off Switch to On Figure 1A 3 Move the 3 Position Selection Switch to the REMOTE position Figure 1B 4 Press and hold the Manual Control Button marked Figure 1C for five 5 seconds After five 5 seconds there is a 10 second window to press any button on the remote control 5 Within 10 seconds press any button on the remote control If the unit does not initialize turn the On Off Switch off for 30 seconds and try starting at Step 1 This will synchronize the remote control and receiver Remote Control Usage The remote control operates the fireplace levels sequentially from off flames only to flames and low heat to flames and high heat The level is increase
27. rom the flicker rod 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 5 Properly orient the new flicker motor onto the motor bracket and re attach with the 2 mounting screws 6 Reassemble in the reverse order as above ELEMENT 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 Wire Snips 3 8 ratchet or wrench CAUTION Follow Preparation for Service instructions before proceeding 1 Remove the 4 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 Remove 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 Wires from the switch housing are connected to this piece so care fully move it farther down in the body of the unit to give some room to access the heating assembly cover 3 Remove the heating assembly cover in the top center by removing
28. the 10 screws on the side brackets 5 on the left and 5 on the right Wires from the switch hous ing are connected to this piece so carefully move it farther down in the body of the unit to give some room to access the heating assembly housing 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 remove the 4 screws that hold the element cover to the housing panel 6 Disconnect wires 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 Using a 3 8 ratchet or wrench remove the hex head screw from both sides of the element Remove ele ments from the element housing and replace with the new elements 8 Reassemble in the reverse order as above CAUTION When re installing covers and panels be sure the wires are guided and tucked into the proper open ings along the right side so they are not pinched and allows enough space to reinstall panel HIGH TEMPERATURE CUTOUT REPLAC
29. xX Dimplex Better solutions through innovation Service Manual Model BLF50 UL Part Number 6906780100 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 REV PCN DATE Dimplex North America Limited 1367 Industrial Road Cambridge ON Canada N1R 768 00 21 JUL 11 1 888 346 7539 e www dimplex com 01 4 JAN 12 In keeping with our policy of continuous product development we reserve the right to make changes without notice 2011 Dimplex North America Limited 7400360000R01 TABLE OF CONTENTS OPERATION EXPLODED PARTS DIAGRAM 4 WIRING DIAGRAM 2 ease 5 PREPARATION FOR SERVICE anton ee ee aaea 6 INSTRUCTIONS FOR REMOVING FROM WALL T MOUNU a ddan as Ai bed Recessed Mount Partial In wall 644294084 8 Flush Mount Complete In wall Odo 8 LED LIGHT STRIPS REPLACEMENT 9 LED DRIVER BOARD REPLACEMENT 222222n 2e0ereb5etern 9 FLICKER MOTOR FLICKER ROD REPLACEMENT 10 EL
30. y 3 inches deep in the space between the outer and in ner casing on the left and right hand side There are 2 screws per side upper and lower going into a stud Figure 9 CAUTION The fireplace should be supported while removing 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 Figure 8 Mounting Holes Figure 9 Mounting Holes 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 4 Proceed to the instructions within this manual relating to the repair being performed see Table of Contents for page number 5 Once repair is complete reassemble in the reverse order as above Flush Mount Complete In wall Figure 10 Tools Required Philips head screwdriver CAUTION Follow Preparation for Service instructions before proceeding 1 Locate and remove the 4 mounting screws inside the unit located on left and right side towards the front There are 2 screws per side going from the side panels out into the side of the wall stud that frames the fireplace Figure 10 CAUTION The unit should be supported while remov
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