Krups EF 472 - Page 34

ServiceManualEF472
34
F U N C T I O N  T E S T S
Testrun
5) Placethemeasuringcupunderthe
drainhoseofthepressuretester.
6) Fillandinsertthewatertank.
7) Connectthemainscable.
8) Switchonthecoffeemachine.
9) Afterheatingup,pressthe"Smallcup"
button.
10) Openthevalveandletthewaterflow
forapproximately10sec.outofthe
drainhose.
11) Closethevalvecompletely.Thepres
surestabilizesafterincreasingbriefly
between1619 bar(pressurecheck).
Thepressureincreasesslowlywit h
increasingtemperature.Shouldthe
pressureexceed23bar,switchoff
thecoffeemachineandreleasethe
pressurebyopeningthevalve.