58300000111195_ARA_en_f.doc – 02.06.09
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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