3/7 Brewing Unit Cleaning T3-3 - WMF 800 Manual

3/7 Brewing unit cleaning
The brewing unit and the brewer compartment must be thoroughly cleaned regularly.
Before cleaning, switch off the coffee machine and disconnect it from the power
system.
Never clean the brewer in a dishwasher and never use any cleaner additives.
The brewing unit must cool off before cleaning.
™ Switch off the coffee machine using the ON/OFF button, disconnect the mains plug
™ Open the brewer lid
™ Grip the brewing unit at the top using your thumb and forefinger
™ Operate the release of the brewer using your other hand
™ Lift the brewing unit up out
™ Unscrew the thread on the brewing unit head counterclockwise using the multitool
until the scraper folds forwards
™ Clean the brewing sieve under running water with no pressure, or with a cloth
™ Rinse the brewing unit under running water
™ Dry the brewing unit with a cloth. Allow to dry completely before reinstalling in the
coffee machine
™ Take the water tank and the grounds container out of the coffee machine and
remove coffee grounds left in the brewer compartment using a vacuum cleaner
(do not let coffee grounds reach the water connection)
™ Check the O-rings for contamination and damage
™ Screw the brewing unit back on clockwise using the multitool until the scraper
closes again
™ Replace the brewing unit once it is dry
™ Place the brewing unit until the lock engages; on the other hand, the brewer
spindle setting can be corrected with the multitool
™ Close the brewer lid
3/8 Descaling
Descaling is needed after the machine has processed the amount of water given in the
following table but after one year at the latest.
Descaling table
Liters until descaling
588
456
348
258
75
After another 25 liters, beverage brewing is disabled and a request is made for
descaling.
The machine is not enabled again until it has been properly descaled.
When using a water filter, the descaling request is handled as for a water hardness of
0 - 4 °dH.
Rinsing amounts
Amount of water, descaling cycle
Descaling rinse water
Descaling / rinsing hot water valve
After descaling, the coffee machine must be cleaned using a cleaning tablet. The
coffee machine is rinsed again during this process.
© WMF 800 / 900 / 1000 S / 1000 pro S Edition 07/2014 - KMT
Water hardness (°dH)
0 - 4
5 - 8
9 - 12
13 - 16
> 16
3 x 600 ml
1900 ml
300 ml
Cleaning and care
T3-3