Citizservicemanual135
F U N C T I O N  T E S T S
9.4.2 Testr un
9) Connectmainscable.
10)Switchoncoffeemachine.
11)Afterheatingup,pressthe"smallcup"
button.
12)Openthevalveandletthew aterflow
forapproximately10secou tofthe
drainhose.
13)Closethevalvecompletely. Thepres
surestabilizesafterincreasing briefly
between1619 bar(pressurechec k).
Thepres sur einc reases slow lyw ith
incr easin gtem perat ure.Sh ould the
press ure exceed 23bar,s wit cho ff
theco ffe emach inean drel easeth e
press ure byop enin gth evalv e.
Forbettervisibility
useaflashlight.
14)Checkallconnectionsunderpressure
foraudibleandvisibleleaks .
Dono trun thep ump for mor e
than50s ecwit hth evalvecl osed .