Citizservicemanual147
F U N C T I O N T E S T S
9.9.4 Whatt od oif th eins ul atio nt estf ail s• Assumethatthecoffeemachi neisdefectafterafailedinsul ationtest.
• Checkwiringandlocatefault. Afterfaultclearanceproceed withtroubleshooting
checklist(seepage49).
• Incaseofdoubtaninsultation testonthemilkfrotheralone canbecarriedouton
thecoffeemachineCitiz&milk:touchphaseandneutralcontactsatthebottomwith
onetestprobesuccessively andthemetallicupperpartwit htheothertestprobe.
Ifinsulationtestfails,replac emilkfrother.
4) Removemilkfrotherfrompla tform.
5) Insertredtestprobeincentralopening
ofmilkfrotherconnector(grou ndcon
nection).
6) Press"measure"button.
7) Readoffdisplayedinsulation resist
anceortestresult.
8) Switchofftestequipment.
9) Shortredwithblacktestprob eto
makesurethattestvoltage isdis
charged.
10)Fillinresultintestreport.
Risk ofdam age!
Asp arkov erc andam ageth eelect ron icc ontr olb oard ands ens orset c.