ServicemanualEF702/705
4
6.6.2 Removinghotwater/steammodule......................................................91
6.6.3 Replacingsteamthermoblockofhotwater/steammodule ...................92
6.6.4 Replacingpumpofhotwater/steammodule......................................... 93
6.6.5 Replacingcappuccinokeyboardofhotwater/steammodule................ 94
6.6.6 Replacingcappuccinomoduleofhotwater /steammodule...................95
6.6.7 Replacingsolenoidvalvesofhotwater/steammodule ......................... 96
6.6.8 Replacingsteamoutletofhotwater /steammodule ..............................97
6.6.9 Replacingmicroswitchformilkcontainerdetection ...............................98
6.6.10Replacingmicroswitchformiddledriptraydetection............................. 99
6.7 Hotwatermodule(CS200only).....................................................................100
6.7.1 Removingdisplaywithlogicmodule ..................................................... 100
6.7.2 Removinghotwatermodule .................................................................101
6.7.3 Replacinghotwaterkeyboard.............................................................. 102
6.7.4 Replacinghotwateroutlet....................................................................103
6.7.5 Replacingmiddlecontactbank ............................................................. 104
6.8 Basiccoffeemachinenonmodularparts..................................................... 105
6.8.1 Replacingcoffeethermoblocks.............................................................105
6.8.2 Replacingsolenoidvalves....................................................................109
6.8.3 Replacingdisplay,pcbsandtransformer.............................................112
6.8.4 Replacingkeyboards ............................................................................ 116
6.8.5 Replacingdetectionsensors.................................................................118
6.8.6 Replacingmicroswitches ..................................................................... 121
6.8.7 Replacingilluminationcomponents...................................................... 123
6.9 Wiringdiagrams .............................................................................................124
6.9.1 WiringdiagramsofCS220coffeemachine(EF702)............................ 124
6.9.2 WiringdiagramsofCS200coffeemachine(EF705)............................ 128
7 Functiontests ................................................................................................. 132
7.1 Safetyinstructions..........................................................................................132
7.2 Requiredequipment.......................................................................................133
7.3 Securitycheckofsafetylids...........................................................................134
7.4 Measurecoffeetemperature..........................................................................135
7.5 Measureflowrateofcoffeeunits ...................................................................137
7.5.1 Preparation ...........................................................................................137
7.5.2 Testrun .................................................................................................139
7.6 Pressureandleakagechecksforcoffeeunits ............................................... 140
7.6.1 Preparation ...........................................................................................140
7.6.2 Testrun .................................................................................................140
7.7 Performancechecksforcappuccinatoreunit(CS220only) ........................... 143
8 Exploded draw ings ........................................................................................146
8.1 ExplodeddrawingsofCS220coffeemachine(EF702) ................................ 146
8.2 ExplodeddrawingsofCS200coffeemachine(EF705) ................................ 158
9 Notes .................................................................................................................169