58300000111195_ARA_en_f.doc – 02.06.09 Seite 74 von 102
7.1.2 Drawing coffee
Complaint Cause? Remedial action
Coffee has no “crema”
► Unsuitable coffee or beans no longer fresh ► Change coffee or use fresh beans
► Grinding unit setting not adjusted optimally to
coffee beans
(Layer of froth)
► Brewing system dirty
► Adjust grinding unit setting. (Change degree
of grinding only while the grinding unit is
running)
► Run descaling and cleaning programmes
Coffee levels differ
– when simultaneously filling
two cups (> +/– 15%)
► Appliance not level
► Outlet distributor dirty or defective
► Place appliance on a level base
► Replace outlet distributor
► Hose system or drainage valve leaking ►
During a brewing process check hose system
and drainage valve for leaks
– when drawing several cups
in succession
► Drainage valve leaking due to coffee dregs ► Run descaling programme
► Replace drainage valve
► Incorrect pulsing from flowmeter ► Check hose system between flowmeter and
pump. If hose length = 6 cm replace hose
with kit mat. no. 49 3828 (hose = 22 cm)
Coffee is only dripping out
► Degree of grinding setting too fine ► Set a coarser degree of grinding.
– tastes too bitter ► Coffee ground too finely
► Use coarser ground coffee or reduce dosage.
► Brewing filter blocked or silted up ► Clean brewing filter or run cleaning pro-
gramme.