10. MAINTENANCE

Maintenance operations have to be carried out when the machine is off and cold and the plug is disconnected. Some particular operations have to be effected when the machine is operating.

Do not clean the machine by using metal or abrasive devices, such as steel wool, metal brushes, needles, etc. or general detergents (alcohol, solvents, etc.)

When necessary, use special detergents for coffee machines that can be bought in specialized service centres.

10.1. Daily

Use a clean cloth or sponge that does not leave hairs or fluff (preferably cotton or linen).

Carefully clean the outside surface, following the grain of the satin finish on the parts in stainless steel.

Remove the filter-holders 1 and filters 2 and clean off the coffee incrustations. Rinse in hot water to dissolve the greasy coffee deposits.

Clean the delivery heads and seals on the dispensing units.

Clean the steam and hot water spouts, check that the nozzles are not encrusted (if they become encrusted, be careful not to deform or damage them).

Clean the spray units and the seals under the casing of the delivery units using the special brush supplied

Remove the filter-holders of the machine and remove the filters and the clamp which secures the filter, use a brush to remove any coffee deposits and rinse with hot water in order to dissolve any grease deposits.

Fig. 11

88

10.2. Weekly
Operations to be carried out with the machine operative and under pressure.

Place the supplied blind filter in the filter-holder, put in a spoonful of detergent in powder for coffee machines and fit the filter-holder in the unit to be cleaned.

Press the coffee dispensing button and draw water for approx. 30 seconds.

Stop and start dispensing several times until clean water comes out of the discharge unit tube.

Remove the filter-holder, take out the blind filter and insert a normal one.Replace the filter-holder on the unit and rinse by drawing water several times.

Make a coffee to eliminate any unpleasant taste.
Model S24

Operation to be carried out when the machine is off and cold and the plug is disconnected.

Remove the lid on the water-tank;Remove the air trap 24 and softener 22 (Fig.9);Take out the water-tank, empty and clean it;Thoroughly rinse the water-tank and replace it in the machine;

Place the air trap in its guide and the softener horizontally on the bottom of the water-tank;

Fill the tank with clean water and close the lid.

If the air trap is not in the correct position, the machine cannot heat or indicate a lack of water in the tank.

Models S24 - S26 - MIDI CD

Operation to be carried out immediately after the machine has been turned off when there is still some pressure.

Using the hot water tap 6 , drain off all the water;Turn off the tap and refill as described in paragraph 7.31