Citizservicemanual147
F U N C T I O N  T E S T S
9.9.4 Whatt od oif th eins ul atio nt estf ail s
• Assumethatthecoffeemachi neisdefectafterafailedinsul ationtest.
• Checkwiringandlocatefault. Afterfaultclearanceproceed withtroubleshooting
checklist(seepage49).
• Incaseofdoubtaninsultation testonthemilkfrotheralone canbecarriedouton
thecoffeemachineCitiz&milk:touchphaseandneutralcontactsatthebottomwith
onetestprobesuccessively andthemetallicupperpartwit htheothertestprobe.
Ifinsulationtestfails,replac emilkfrother.
4) Removemilkfrotherfrompla tform.
5) Insertredtestprobeincentralopening
ofmilkfrotherconnector(grou ndcon
nection).
6) Press"measure"button.
7) Readoffdisplayedinsulation resist
anceortestresult.
8) Switchofftestequipment.
9) Shortredwithblacktestprob eto
makesurethattestvoltage isdis
charged.
10)Fillinresultintestreport.
Risk ofdam age!
Asp arkov erc andam ageth eelect ron icc ontr olb oard ands ens orset c.