Dimplex DFI400L User manual

Service Manual

Model Part Number

DFI400L 6909050241

DFI400R 6909050242

DFI600L 6909050261

7400770000R00

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

Dimplex North America Limited

1367 Industrial Road Cambridge ON Canada N1R 7G8

1-888-346-7539 www.dimplex.com

REV PCN DATE

00 - 1-NOV-13

IMPORTANT SAFETY INFORMATION: Always read this manual rst 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.

2 www.dimplex.com

Always use a qualied technician or service agency to repair this cassette.

!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 re, 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

Potentiometer Replacement ...........................................8

Power Cord Replacement..............................................8

Light Assembly Replacement ..........................................8

Fan Assembly Replacement............................................8

Troubleshooting Guide ...............................................10

TABLE OF CONTENTS

Remote Control

The On/Off Switch must be in the ‘ON’ ( I ) position in order

for the remote control to operate. (Figure 2)

!NOTE: To operate correctly, the remote control must be

pointed towards the remote control sensor.

To operate, push the ON button to turn replace on, push

the Standby button to turn the replace off.

Battery Replacement

To replace the battery:

1. Slide battery cover open on the remote control (Figure

2).

2. Install two 1.5 Volt (AAA) batteries in the battery holder.

3. Close the battery cover.

Battery must be recycled or disposed of properly.

Check with your Local Authority or Retailer for recy-

cling advice in your area.

OPERATION

Figure 1

!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 ame

effect. This is normal and should not be a cause for con-

cern.

!NOTE: Always ensure that the appliance is in a level

position.

The manual controls for the cassette are located on the top

of the unit, below the control cover. (Figure 1)

A. On/Off Switch

Supplies power to the cassette.

B. Mode Selector Switch

Press once to turn on the ame effect. This will be indicated

by an audible “beep”. Although the lights turn on immedi-

ately it will take 30 seconds before the ame effect starts.

Press to put re in to standby mode. This will be indi-

cated by one “beep”.

C. Flame Intensity Control

Adjusts the intensity of the ame effect when the cassette

has been activated.

Turning the control knob clockwise to decrease the inten-

sity of the ame effect. Turning the control knob counter-

clockwise will increase the ame effect.

!NOTE: Give the ame generator some time to react to

changes you may make on the ame control knob.

!NOTE: When the water tank is empty the unit will turn

off after 30 seconds. See instructions under Maintenance

Section for relling tank. When this procedure is complete,

the main lamps will illuminate but it will take 30 seconds

before the ames return.

Figure 2

Remote Control

Sensor

Battery Cover

Standby

Button

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MAINTENANCE

WARNING: Disconnect power before attempting any main-

tenance or cleaning to reduce the risk of re, electric shock

or damage to persons.

Filling the water tank

When the water tank is empty, the ame shuts off and you will

hear 2 audible beeps, follow these steps.

CAUTION: Allow at least ve minutes for components to

cool before disassembling the unit to rell.

1. Turn the On/Off switch to the off position (0) (Figure 1)

2. Gently remove the media tray and media (if applicable)

and place them carefully on the ground.

3. Remove the rell container by lifting upwards and out-

wards.

4. Rell the container with tap water.

!NOTE: Normal tap water can be used in the Optimyst®

as long as the tap water is not considered to be hard water.

In the event your tap water is hard, you may use softened

water or distilled water with 1/8 tsp of salt (0.5 mL) added to

the water reservoir. (The addition of additional salt should

only be when you notice that the unit is not producing mist as

expected.)

5. Screw the cap back on, do not overtighten.

6. Return the rell container to the water tank.

7. Gently place the media tray and media (if applicable) back

into position.

8. Turn the On/Off switch to the off position (I). (Figure 1)

If you do not intend on using the unit for longer than 2 weeks,

empty and drain the unit of water, and dry all of the water con-

taining components.

Replacing the Light bulbs

If a large amount of the ame appears grey or colourless it

may be that one or more of the light bulbs have burnt out.

CAUTION: Allow at least twenty minutes for light bulbs to

cool before touching bulbs to avoid accidental burning of 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 ame effect on, remove the media (if appli-

cable), tray and water tank (Figure 3) and lift out the top

cover.

2. View the lamps from a distance in front of the re and

observe which lamp needs to be changed.

3. Turn the unit off, and unplug the cassette.

4. Leave the appliance for 5 minutes to allow the lamps to

cool down before removing them.

5. Remove the water tank and top cover (Figure 3) by lifting

upwards and place in a sink.

6. Remove the defective bulb, by gently lifting vertically and

disengaging the pins from the lamp holder.

7. Carefully insert the two pins of the new bulb into the two

holes in the lamp holder. Push lamp rmly in place.

8. Gently place the media tray and media (if applicable) back

into position.

Cleaning

It is recommended that all of the components that contain

water are cleaned with soap and water on a biweekly basis.

A small brush has been included to assist in cleaning difcult

items/areas, i.e. the transducer.

CAUTION: Do not put plastic components in the dish-

washer.

Filter Cleaning

The air lter can be removed and gently rinsed with water to

clean and dried on a towel before reinstalling.

!NOTE: Replace the lter so that the course black lter is

facing the front of the cassette.

Surface Cleaning

Use a warm damp cloth only to clean surfaces of the cassette.

Do not use abrasive cleaners.

!NOTE: If you need to move the unit ensure that all of the

components that contain water have been emptied before re-

locating.

Servicing

Except for installation and cleaning described in this manual,

an authorized service representative should perform any other

servicing.

Figure 3

Top

Cover

Transducer

Emitter

Wire Slot

Retaining

Tab

Fan

Housing

Water Tank

EXPLODED PARTS DIAGRAM

REPLACEMENT PARTS LIST

1. Remote Control..................9600800100RP

2. Remote Control Receiver ..........9600580200RP

3. Rock Media (DFI400RH). . . . . . . . . . . 9600650100RP

4. Media Tray (DFI400RH) ...........9600710100RP

5. Log Set Assembly - DFI400LH ......9600720100RP

- DFI600LH ......9600730100RP

6. Light Holder Assembly ............9600610200RP

7. Removable Rell Container with Cap 0441440100RP

8. Cap for Rell Container. . . . . . . . . . . . 0441440300RP

9. Top Cover Assembly ..............9600670100RP

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. On/Off Switch ...................9600383500RP

17. 3-Position Switch ................9600383600RP

18. Transformers. . . . . . . . . . . . . . . . . . . . 9600690100RP

19. Potentiometer ...................9600640100RP

20. Power Board . . . . . . . . . . . . . . . . . . . . 9600590100RP

21. IR Receiver with Lens . . . . . . . . . . . . . 9600600200RP

22. Light Bulbs (Package of 4) ................RB400

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WIRING DIAGRAM

TRANSDUCER

MALE JACK

DC FAN

MOTOR

WHITE

MAINS

3 CORE

CABLE

BLACK

WHITE

REMOTE CONTROL RECEIVER

REPLACEMENT

Tools Required: Philips head screwdriver

Flat 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. Remove the 4 screws that secure the front grill to the

cassette housing. (Figure 4)

3. Remove the 4 screws around the remote control re-

ceiver attaching it to the unit.

4. Transfer the wire connectors from the terminals on the

original board to the same location on the replacement

board.

!NOTE: Use a at head screwdriver to gently pry

between the end of the connector and the remote control

receiver to release the wires.

5. Re-assemble the remainder of the cassette in reverse

order from the instructions above.

POWER BOARD REPLACEMENT

Tools Required: Philips head screwdriver

Flat 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. Remove the 4 screws that secure the front grill to the

cassette housing. (Figure 4)

3. Remove the 4 screws around the power board attach-

ing it to the unit.

4. Transfer the wire connectors from the terminals on the

original board to the same location on the replacement

board.

!NOTE: Use a at head screwdriver to gently pry

between the end of the connector 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 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. Remove the 4 screws that secure the front grill to the

cassette housing. (Figure 4)

3. Remove the screws that secure the transformer to the

unit.

4. Transfer the wire connectors from the terminals on the

original board to the same location on the replacement

board.

!NOTE: Use a at head screwdriver to gently pry

between the end of the connector and the remote control

receiver to release the wires.

5. Re-assemble the remainder of the cassette in reverse

order from the instructions above.

SWITCH REPLACEMENT

Tools Required: Philips head screwdriver

Flat 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. Remove the 4 screws that secure the front grill to the

cassette housing. (Figure 4)

3. Locate the defective switch and disconnect the wiring

connections noting their original locations.

!NOTE: A at head screwdriver can be used to gently

pry between the end of the connector and the switch to

release the wires.

4. Depress the retainer clips on the rear of the switch and

8 www.dimplex.com

push the switch out through the opening.

5. Properly orient and insert the new switch and connect

all of the wiring.

6. Re-assemble the remainder of the cassette in reverse

order from the instructions above.

POTENTIOMETER REPLACEMENT

Tools Required: Philips head screwdriver

Flat Head Screwdriver

3/8” (10mm) Wrench

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. Remove the 4 screws that secure the front grill to the

cassette housing. (Figure 4)

3. Turn the unit so that the underside of the potentiometer

can be seen.

4. Loosen the securing nut, to allow the potentiometers

slide out.

5. Disconnect the wiring connections noting their original

locations.

!NOTE: A at 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 from the instructions above.

POWER CORD REPLACEMENT

Tools Required: Philips head screwdriver

Flat 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. Remove the 4 screws that secure the front grill to the

cassette housing. (Figure 4)

3. Locate the cord and disconnect the wiring connections

noting their original locations.

!NOTE: A at head screwdriver can be used to gently

pry between the end of the connector and the switch to

release the wires.

4. With needle nose pliers, grasp the cord strain relief

grommet from inside the back of the bottom panel and

push while twisting to remove.

5. Install the new cord.

6. Reassemble in the reverse order as above.

LIGHT ASSEMBLY REPLACEMENT

Tools Required: Philips head screwdriver

Flat 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. With the unit turned upside down, remove the 2 screws

that hold the light assembly to the unit. (Figure 5)

4. Remove the light assembly and replace with the new

light assembly.

5. Reattach the wire onto the new light assembly.

6. Re-assemble the remainder of the cassette in reverse

order from the instructions above.

FAN ASSEMBLY REPLACEMENT

Fan Motor and Fan Housing

Tools Required: Philips head screwdriver

Flat 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.

Figure 5

Figure 6

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 cover onto the fan

housing. (Figure 6)

4. Remove the fan motor out of the housing and discon-

nect the wiring connection located near the bottom of

the housing.

5. If replacing only the motor, attach new motor and reas-

semble the remainder of the cassette in revers order

from the instructions above.

• If replacing the housing, remove the 3 screws attaching

the base to the cassette. (Figure 6)

6. Attach new fan housing base to the cassette.

7. Transfer the lter from the old housing to the new hous-

ing.

8. Reinstall the fan motor and reconnect the wire.

9. Re-assemble the remainder of the cassette in reverse

order from the instructions above.

10 www.dimplex.com

PROBLEM CAUSE SOLUTION

General

Unpleasant smell when unit is

used.

Dirty or stale water. Clean the unit as described under maintenance.

Appearance

Fireplace does not turn on Manu-

ally

Improper operation Refer to Operation Section

No incoming voltage from the electrical wall

socket

Check Fuse/Breaker Panel

Defective 3 Position Switch Replace 3 Position switch

Fireplace does not turn on with

the Remote Control

Improper operation Refer to Operation Section

The batteries in the remote control are dead. Install new battery into the remote control

Defective remote control Replace Remote Control

Defective remote control receiver Replace remote control receive

Defective IR sensor Replace IR sensor

The ame effect will not start Switch A is in the ‘ON’ (I) position, but mode

Switch B has not been pressed.

Press Switch B once for ame effect.

Low water level. Check the water tank is full and there is water in

the sump.

Water in unit is too cold Allow water to warm to room temperature.

If using distilled or reverse osmosis water, unit

will not produce a consistent mist

Add 1/8 tsp of table salt to water reservoir to

introduce electrolytes, only repeat when mist is

not being produced correctly

Check that the fan is operating correctly Replace fan assembly

Ensure that the air lter is clean and dry

Cord is located over emitter on transducer Relocate cord so that mist is free to rise off of

transducer.

Defective Transducer Replace Transducer

The ame effect is too low. Flame effect control knob is set too low. Increase level of ame by turning Control knob

C to the left slowly.

The ame effect has too much

smoke.

Flame effect setting is too high. Turn the ame effect Control knob “C” to the

right until it is at minimum and slowly turn to the

left, about ¼ a turn, at a time. Give the ame

generator some time to adjust before increas-

ing.

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 Filter

Mist does not appear to be com-

ing out evenly

Unit is not level Level unit

Media is blocking air ow Rearrange media

A light bulb is burnt out Replace light bulb

TROUBLESHOOTING GUIDE

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