Citizservicemanual
130
F U N C T I O N T E S T S
9 F U N C T I O N T E S T S
9.1 Safetyinstructions
Somefunctiontestsareperformedwithanenergized,partlyopenedcoffeemachine.
9.2 Requiredequipment
9.2.1 Overview
Tosimplifymatters,
themodelCitizwith
coreunit"Crange"is
usedtoexemplifythrough
outthischapter.
Dangerofelectrocution!
Mainsvoltageinsidethecoffeemachine.
Donottouchanylivepartwhileperformingtests.
Dangerofburns!
Hotpartsandwaterunderpressureinsidethecoffeemachine.
Donottouchanyhotpartswhilecheckingforleakages!
Alwayswearprotectivegoggles.
Symbolicillustration
offunctiontestequip
ment.
1) Pressuregauge
(EFRno.16195)
2) Citizpressuregaugeadapter
3) Digitalmultimeter
(forNTCtemperaturesensortest)
4) Electronicthermometer
(ordigitalmultimetersuitablefortemper
aturemeasurement)
5) Timer
6) Measuringbeaker
7) Testequipmentforprotectiveearthcon
tinuitytestandprotectiveinsulationtest