4
ServiceManualC91/D91 enVersion1.0
GeneralSafetyNotes
Riskoffatalelectr icalshockandfire!
Mainsvoltageinsidethecoffee
machine.
• Unplugappliancebeforecleaning.
• Nevercleanwetorimmerseplug,
cordorapplianceinanyfluid.
• Disconnectthemainsplugbefore
disassemblytheappliancemustbe
freeofvoltage.
Asanadditionalsafetymeasure,theuseofa
residualcurrentdevice(RCD),alsocalleda
groundfaultcircuitinterrupter(GFCI),inthe
repaircentreishighlyrecommended.
Thisdevicedoesnotprotectagainst
electricalshockduetocontactwith
bothcircuitconductors.
UseaGFCIwithatriplevelof4 6 mA
(USA)resp.aRCDwithatriplevelof
1530mA(Europe).Atriplevel
above30mAprovidesonlyvery
limitedprotectionagainstharmfr om
anelectricshock.
Dangerofburns!
Hotpartsandwaterunderpressure
insidethecoffeemachine(particu
larlyinthethermoblock).
• Letcoffeemachinecooldownbefore
cleaningordisassembly.
Exampleillustrationsoftypicaldevices:
1) RCDprotectedsocketoutlet
2) PluginRCDunit
3) GFCIsocket
4) PluginGFCI