Rancilio Millennium, Руководство по эксплуатации и обслуживанию

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10.3.1. Renewal of water in the boiler
To be carried out only by qualified personnel.
Turn off the machine and wait for the pressure in
the boiler to diminish (gauge needl on “0”).
Using a spanner firmly hold 1 the outlet pipe 2
Fig.12 situated about the drainage sump while
loosening the hexagonal sealing screw 4 by 3 turns
at the most.
Drain off the water and tighten the screw 4.
Refill the boiler (paragraph 7.3.).
10.3.2. Regeneration
Softener DP2 - DP4
Regenerate the water softener within the time-limits
specified for the softener as follows:
10.3. Periodical maintenance
Have been fitted with economizers which do not draw
water from the boiler to make hot water, the water in
the boiler need only to be renewed from time to time.
Check and clean the drainage sump 3 (Fig.12),
removing any sludge with the help of a spoon.
Fig. 12
Fig. 11
DP2
nr.1 regeneration per month for 500 coffees/day;
nr.2 regenerations per month (once a fortnight) for
1000 coffees/day.
DP4
nr.1
regeneration per month for 1000 coffees/day;
nr.2 regenerations per month (once a fortnight) for
2000 coffees/day.
This table has been drawn up according to a water
hardness of 25 degress calculated on the French scale.
See the documentation included with the softener
for the instructions for use.
11. STOPPING THE MACHINE
A - Temporary stop
Carry out cleaning and maintenance operations.
Wind up the cable and fasten it to the machine
with sticky tape.
Cover the machine and place it in a dry room. Do
not leave it exposed to atmospheric agents and
do not allow it to be touched by children or unift
persons.
To disconnect from the main power supply, consult
qualified personnel.
B - Definitive stop
Besides carrying out the operations necessary for
a temporary stop, cut off the cable, pack the
machine in cardboard, polystyrene or other packing
material and consign it to firms authorized for its
disposal or to second-hand goods dealers.
12. PROBLEMS AND REMEDIES
Check operations to be carried out by the user
with the plug disconnected.
For any type of problem or inconvenience
not specifically indicated, disconnect the
plug and contact our service centre without
attempting any direct repairs.
A) The machine does not start:
- check that the plug is connected;
- In case of power failure wait for the power to return
and check if the earth leakage protection circuit
breaker or the main switch is on;
- check the condition of the plug and the supply
cable; if damaged have them replaced by qualified
personnel.
B) There is water under the machine:
- check that the drainage tray is not obstructed.
C) Slow dispensing:
- check that the filters and delivery heads are clean;
- check that the coffee is not too finely ground.
D) Irregular steam delivery:
- check that the nozzles are not obstructed.