Nespresso EF487/488 Coffeemaker User Manual


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F U N C T I O N T E S T S
9.9 Protectiveinsulationtest
9.9.1 Whatcoffeemachineshavetobetestedandwhen?
Thistestisnecessary
 forclass1and2equipment(with/withoutprotectiveearth)
 afterarepairwheneverageneraldisassemblyoftheplatformand/orcoreunitwas
performed.
9.9.2 General
Legalregulation
Incaseofarepair/modificationofthecoffeemachine,therepaircentreisboundbylaw
toprotecttheuser/consumerby
 restoringtheregularconditionoftheapplianceand
 performingtherespectivetestsaccordingtoEN/IEC603351“Safetyofhousehold
andsimilarelectricalappliances”andnationalregulations(e.g.DINVDE0701).
Description
Theinsulationtest
 assuresthatwiringandinsulationofthecoffeemachinefullfillthenormativerequire
mentsafterarepair,
 ratestheinsulationcapabilityofthecoffeemachine,
 isaverydangeroustestbecauseofahightestvoltage(500VDC).
Fortheinsulationtest,phaseandneutralwireareshuntedatthepowerplug.Thena
testvoltageisappliedbetweenphase/neutralandselectedpartsofthecoffeemachine.
Testequipment
Specialtestequipmentisneededthatcomplieswiththeregulationstoperforminsula
tionandwithstandingvoltagetests.Detailedrequirementsandtolerancesmustbeveri
fiedwithyourlocalauthoritiesormeasurementsupplierinanycase.
Ideallythetestequipmenthasanationalpowersocketfortesting,sothatthecoffee
machinecanpluggedindirectly.Otherwiseaspecialshuntisnecessarytoconnectthe
phaseandneutralpinofthecoffeemachine’spowerplug.
Testreport
Forlegalreasonsarepairortestreportshouldbepreparedandfiledwithfollowinginfor
mation
 customer(name,address)
 typeandserialnumberofcoffeemachine
 dateofrepair/test(s)
 performedtest(s)/measuringvalue(s),testpoints
 usedtestequipment
 signature
Ask
Nespresso
for
recommendations
abouttestequipment.
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