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Service Manual

Model 

Part Number

DFI400LH 6909050141

DFI400RH 6909050142

DFI600LH 6909050161

7400750000R00

In keeping with our policy of continuous product development, we reserve the right to make changes without notice.
© 2013 Dimplex North 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

-

11-OCT-13

IMPORTANT SAFETY INFORMATION

: Always read this manual first before attempting to service this cassette. For your 

safety, always comply with all warnings and safety instructions contained in this manual to prevent personal injury or prop-

erty damage.

Summary of Contents for Optimyst DFI400LH

Page 1: ...ce 2013 Dimplex North 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 11 OCT 13 IMPORTANT SAFETY INFORMATION Always read this manual first before attempting to service this cassette For your safety always comply with all warnings and safety instructions contained in this manual to prevent personal injury ...

Page 2: ...echniques which if not carefully followed will expose the user to the risk of fire serious injury or death Operation 3 Maintenance 4 Exploded Parts Diagram 5 Replacement Parts List 5 Wiring Diagram 6 Remote Control Receiver Replacement 7 Power Board Replacement 7 Switch Replacement 7 Thermostat Replacement 8 Potentiometer Replacement 8 Power Cord Receptacle Replacement 8 Fuse Fuse Assembly Replace...

Page 3: ... OPERATION Figure 1 CAUTION During operation ensure that the receptacle cord is positioned so that the face is perpendicular to the floor NOTE Always ensure that the appliance is in an upright position before operating the unit NOTE When the cassette is used in an environment where background noise is very low it may be possible to hear a sound which is related to the operation of the flame effect...

Page 4: ...f skin Light bulb requirement 45W 12VAC halogen bulbs type MR 16 Contact Dimplex Technical Service at 1 888 346 7539 for replacement bulbs 1 Leaving the flame effect on remove the media if ap plicable tray and water tank Figure 3 and lift out the top cover 2 View the lamps from a distance in front of the fire and observe which lamp needs to be changed 3 Turn the unit off and unplug the cassette 4 ...

Page 5: ... 10 Water Tank 0441380100RP 11 Fan Assembly 5300300100RP 12 Fan Housing Assembly 9600540100RP 13 Fan Filter 8600300100RP 14 Transducer 3800040100RP 15 Power Cord 9600740100RP 16 Receptacle Cord 9600780100RP 17 On Off Switch 9600383500RP 18 3 Position Switch 9600383600RP 19 Transformers 9600690100RP 20 Potentiometer 9600640100RP 21 Thermostat Assembly 9600620100RP 22 Control Knob 9600630200RP 23 Po...

Page 6: ...6 www dimplex com WIRING DIAGRAM ...

Page 7: ...onnector and the remote control receiver to release the wires 5 Re assemble the remainder of the cassette in reverse order from the instructions above TRANSFORMER REPLACEMENT Tools Required Philips head screwdriver Flat Head Screwdriver WARNING Disconnect power before attempting any Figure 4 Front Grille Transformers Power Board Remote Control Receiver maintenance to reduce the risk of electric sh...

Page 8: ... seen 4 Loosen the securing nut to allow the potentiometers slide out 5 Disconnect the wiring connections noting their original locations NOTE A flat head screwdriver can be used to gently pry between the end of the connector and the switch to release the wires 6 Slide the potentiometer back into the assembly and tighten the securing nut 7 Re assemble the remainder of the cassette in reverse order...

Page 9: ...Head Screwdriver WARNING Disconnect power before attempting any maintenance to reduce the risk of electric shock or damage to persons NOTE Ensure that all of the components that contain water have been emptied before performing any maintenance 1 Disconnect and remove the media from the unit and put them in a safe place 2 Disassemble the sump components Figure 3 3 Remove the 3 screws that hold the ...

Page 10: ...ate cord so that mist is free to rise off of transducer Defective Transducer Replace Transducer Mist is not coming out and the red light by the transducer is not on The cord from the power board is not working Ensure that the cord is not pinched Ensure that the cord is fully inserted into the connection on the power board Mist is coming out fast Filter is missing off of Fan Housing Replace Fan Fil...

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