58300000111195_ARA_en_f.doc – 02.06.09 Seite 78 von 102
7.1.6 Leaks
Complaint Cause? Remedial action
► Water tank, valve and sealing ring dirty or calci-
fied
► Clean and descale water tank
Water tank leaking
► Water tank defective ► Replace water tank
► Cracks in water tank coupling ► Replace water tank coupling
Water tank coupling leaking
► Residual water does not run into the drip tray (for
appliances with fluid connection bracket)
► Install spare-part set for water tank overflow
(mat. no.: 42 5993)
Ceramic valve leaking
► Grease film on ceramic discs not homogeneous ► Actuate ceramic valve several times
Water running out during brew-
ing process
► Ceramic valve leaking ► Replace ceramic valve and, following in-
stallation, actuate 2 – 3 times
Drip tray leaking
► Crack in drip tray ► Replace drip tray (new material)
Hose system leaking
►
Calcification increases pressure in the hose above
35 bar
► Replace hose, descale
Fabric hoses burst ► Hose has preliminary damage
Drainage valve leaking
Water running out during brew-
ing process
► Drainage valve leaking due to coffee dregs ► Run cleaning and descaling programme
► Replace drainage valve
► Seal damaged ► Replace drainage valve
►
Seals on water coupling and on coffee outlet of the
brewing unit leaking
► Replace and lubricate seals
Brewing unit leaking
Water running out during brew-
ing process
► Lip seal or brewing head defective ► Replace brewing unit
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