Franke Kaffeemaschinen AG |
User manual A300 67
User manual A300 59 Descaling 12
12 DESCALING
To maintain consistently high in-cup quality and ensure that the coffee machine runs reliably, the machine must be
descaled regularly. For this purpose, the A300 has an automatic descaling system. If descaling is necessary, the
coffee machine indicates this on the operator panel. Limescale has a particular tendency to build up in the new,
energy-saving heating cartridge.
To descale the machine, only use the descaler concentrate from Franke (item number 560.0589.837). This
guarantees reliable descaling results.
a) Make sure that you order descaler concentrate in good time so that you can descale the coffee machine
immediately when the prompt appears on the coffee machine operator panel.
12.1 Descaling repeat interval
When commissioning the A300, you will be prompted to measure the water hardness and to enter this into the
software Determining the water hardness with a measuring strip [ 25]. This value is used to calculate the
amount of water until the machine will next need to be descaled.
Machines without a water filter
A descaling prompt is displayed when the calculated water quantity is reached or, at the latest, after 12 days of
operation. The A300 can be used for another 2 days after the descaling prompt is first displayed. After this period,
the machine is disabled until descaling is carried out.
Machines with a mains water connection and water filter
A descaling prompt is displayed after 12 days of operation. After the descaling prompt is first displayed, the A300
can continue to be used until the remaining water is used up. After this period, the machine is disabled until
descaling is carried out.
12.2 Descale
If descaling is necessary, a message is displayed on the operator panel. The message can be closed so as not to
disrupt operation. The following options are available for starting the descaling process:
– Descaling when cleaning is next carried out (default setting)
– Descaling independently of cleaning – descaling is started automatically at a specified time – Manually
starting descaling
Discontinuing descaling
Applies to machines with a water tank: If the water tank is empty or the drip tray is full, automatic descaling is not
carried out.
a) Empty the drip tray before cleaning/descaling.
b) Fill the water tank before cleaning/descaling.
c) Position the cleaning container on the drip grid in accordance with the instructions on the operator panel.
12 Descaling
12.2.1 Descaling after cleaning
With the default setting, when descaling is due it is initiated straight after cleaning is next carried out without
requiring any further confirmation. No additional action is required on the part of the operator. Descaling takes
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