Samsung CLX-8640ND - Page 355

4.Troubleshooting
►ErrorCode
H2-506x
H2-507x
H2-5A50
►Errormessage
FinisherFailure#H2-506x.Turnoffthenon,aftercheckingnisher
FinisherFailure#H2-507x.Turnoffthenon,aftercheckingnisher
FinisherFailure#H2-5A50.Checknisher
►Symptom
CommunicationerrorbetweentheIOTandtheFinisher.
►Troubleshootingmethod
Iftheerrorstilloccurs,checkthefollowings.
1)CheckiftheFinisheroftheinterfacecable(JC81-03470A)shouldbeconnectedwiththeIOT.
a)PowerSwitchoftheIOTOff.
b)IOTandFinisheroftheinterfacecable(JC81-03470A)isconnected.
c)PowerSwitchoftheIOTOn.
2)IstheLEDsoftheMainControlBoard(JC81–07242A)working?
<OpentheBottomcover(SJ106160)ofFinisher>
a)TheFinisheroftheDoors(JC63-03941A,JC81-07249B)shouldremainclosedtoall.
b)Red,yellowcolorLEDisON,andGreenLEDickers.
c)ReplacetheFinishermaincontrolboard(JC81–07242A).
3)ChecktheInterfaceCable(JC81-03470A)ofMainControlBoard(JC81–07242A).
a)Checkiftheconnector(JC81–07242A)J1,J3onthemaincontrolboard(JC81–07242A)isdisconnected.
b)Checkforcontinuityinthewireharnessandwhethertheharnessisdamaged(JC81-03470A),replaceit
ifrequired.
c)ReplacetheFinishermaincontrolboard(JC81–07242A).
4)ReplacetheFinishermaincontrolboard(JC81–07242A).
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