Dimplex CASSETTE M, Instructions Manual

Filling the water tank.

When the water tank is empty, fl ame and smoke eff ect shuts off , and you will hear 2 audible ‘beeps’. 
Follow these steps to refi ll:
1. Press Switch ‘A’ to 

(0).

 (See Fig.2)

2. Pull out the drawer as far as possible by the tab. (See Fig.3)
3. Remove the water tank by lifting upwards and outwards. 
4. Place the water tank in sink and remove cap, Anti-clockwise to open. (See Fig.6)
5. Fill tank with

 fi ltered tap water. 

This is necessary to prolong the life of the fl ame and smoke 

producing unit. 

Do not use a decalcifi er.

6. Screw the cap back on, 

do not overtighten

. 

7. Return the tank to the sump, with the tank cap facing down and the fl at side of the tank facing 
outward. 
8. Press Switch

 ‘

B’ once to turn on fl ame eff ect. (See manual control section and Fig.2).

9. Press Switch ‘A’ to ‘ON’ ( 

I 

) position. (See Fig.2)

10. Gently push the drawer  back in as far as it will go.

Cleaning.

WARNING – ALWAYS DISCONNECT FROM THE POWER SUPPLY BEFORE CLEANING THE FIRE

.

We recommend cleaning the following components once every 2 weeks, particularly in hard water 
areas:-
Water Tank, Sump and Seal, Sump lid, Tank cap and seal, Air fi lter.
For general cleaning use a soft clean duster – never use abrasive cleaners. To remove any accumulation 
of dust or fl uff  the soft brush attachment of a vacuum cleaner should occasionally be used to clean the 
outlet grille of the fan fi re.

Water tank

1. Remove water tank, as described earlier, put into sink and empty water.
2. Using the supplied brush gently rub the inside surfaces of the cap paying particular attention to the 
rubber ring in the outer groove and the centre rubber seal. 
3. Put a small quantity of washing up liquid into the tank, refi t the cap and shake well, rinse out until all 
traces of washing up liquid are gone.
4. Refi ll with tap water with a maximum hardness of 10 dH only, replace the cap, do not overtighten.
5. Do not use a decalcifi er when cleaning the appliance, this may shorten the lifetime of the smoke 
unit.

Sump

1. Press Switch ‘A’ to the ‘OFF’ 

(0)

 position

2. Gently pull the drawer out as far as possible.  (See Fig.3)
3. Remove the water tank by lifting upwards.
4. Disconnect the electrical connector, located on the left side of the sump, by fi rst loosening the two 
retaining screws and gently withdrawing the connector. (See Fig.8)
5. Release the lower sump locking tabs by turning 90º, this allows the sump to be lifted completely 
from its location. (See Fig.9)
6. Gently lift up the sump assembly, taking care to keep level so as not to spill any water. Sit the 
assembly in the sink. (See Fig.10)
7. Release the two upper sump locking tabs by turning 90º, then lift off  the sump lid. (See Fig.11)
8. Carefully tilt, as shown, so that the liquid drains out of the sump. (See Fig.12)
9. Put a small amount of washing up liquid into the sump, and using the supplied brush, gently clean 
all surfaces including the metal disc and the rubber seal located in the top grooved surface. 

Do not 

remove the rubber seals

. (See Fig.13 and 14)

10. When cleaned, thoroughly rinse the sump with clean water.
11. Clean the outlet surface of the sump lid with the brush and fl ush out thoroughly with water. (See 
Fig.15 & 16)
12. Reverse the above steps to reassemble.

Air fi lter.

1. Gently pull the drawer out as far as possible. (See Fig.3).
2.  Press Switch ‘A’ to the ‘OFF’ 

(0) 

position (See Fig.2)

3. Remove the tank and place in a sink with the cap facing upwards.
4. Gently slide upwards the air fi lter plastic holder. (See Fig.17)
5. Remove the fi lter combination from the plastic holder. 
6. Gently rinse with water in the sink and dry with fabric towel before returning.
7. Replace the fi lter combination making sure that the course black fi lter is in contact with the plastic 
holder. (See Fig.18)
8. Replace the tank.
9. Press Switch ‘A’ to the ‘ON’ ( 

I 

) position (See Fig.2).

10. Close the drawer fully.

Recycling.

For electrical products sold within the European Community. At the end of the electrical products 
useful life it should not be disposed of with household waste. Please recycle where facilities exist. 
Check with your Local Authority or retailer for recycling advice in your country.

After Sales Service

Should you require after sales service, please get in touch with the supplier through whom you 
purchased the appliance. 

Symptom

Cause

Corrective Action

The fl ame eff ect will not start.

Mains plug is not plugged in.

Switch A is in the ‘ON’ 

(I)

  position, but mode Switch B has not been pressed. 

(See Fig.2)

Low water level.

Low voltage connector not connected properly. (See Fig.8)

Check plug is connected to wall socket correctly.

Press Switch B once for fl ame eff ect. (See Fig.2)

Check the water tank is full and there is water in the sump.

Check that the connector is inserted correctly. (See Fig.8)

The fl ame eff ect is too low.

Flame eff ect control knob is set too low.

(See Fig.2)

The water in the sump may be too high due to the drawer being opened and 

closed a number of times, water tank removed a number of times, or the fi re 

has been moved.

Metal Disc at the base of Sump might be dirty (See Fig.13)

Increase level of fl ame by turning Control knob C to the left slowly. (See Fig.2)

If water level in the sump is more than 40mm, the sump should be removed and 

emptied in the sink.

Clean Metal Disc with soft brush supplied. (See Fig.13) See ‘Maintenance.’ for a 

step by step procedure.

Unpleasant smell when unit is used.

Dirty or stale water.

Using unfi ltered tap water.

Clean the unit as described under maintenance.

Use tap water with a maximum hardness of 10 dH only.

The fl ame eff ect has too much smoke.

Flame eff ect setting is too high.

Turn the fl ame eff ect  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 fl ame generator some 

time to adjust before increasing. (See Fig.2)

Main lamps are not working and there 

are no fl ames or smoke.

There is no water in the tank.

Follow instructions under 

Maintenance

, ‘Filling the water tank’.

Check the plug is connected to wall socket correctly.

Switch ‘A’ Fig. 2 is in the ‘ON’  ( 

I 

) position.

Press switch ‘B’ Fig.2 until you can hear one beep only, for fl ame eff ect.

Troubleshooting

2

[c]A Division of GDC
All rights reserved. Material contained in this publication may not be reproduced in whole or in part, without prior permission in writing of 
GDC.

Opti-myst is a trade mark of GDC Group Ltd.
This product is protected by one or more of the following patents: PCT/ EP2005/009774, PCT/ EP2007/002207, GB0717773.6, GB0717772.8, 
GB0717770.2, GB0809322.1. The design of this product is protected by EU Design Rights