GRAPHTEC FC8000-75 - 8. Troubleshooting; 8.1 The Plotter is Turned On But Doesn’t Operate

FC8000-UM-251-9370 8-1
8. TROUBLESHOOTING
8. TROUBLESHOOTING
8.1 The Plotter is Turned On But Doesn’t Operate
Symptom Verication item Solution
BothUSER1andUSER2
lamponthecontrolpanel
doesnotlight.
Nothingisdisplayedon
theLCDpanel.
(1) Istheplotterbeingsuppliedwith
power?
No.....Checkthatthepowercordis
securelyconnectedtotheplotter’s
AClineinlet.
Yes....Verifyitem(2).
(2) IstheFFC707102exiblecable
securelyconnectedtothemain
boardandthecontrolpanel?
No.....Connecttheexiblecable
securely.
Yes....Verifyitem(3).
(3) IstheFFC707102exiblecable
broken?
No.....Verifyitem(4).
Yes....ReplacetheFFC707102exible
cable.
(4) IstheAClineelectricaloutput
correct?
No.....ChangetheACline.
Yes....Verifyitem(5).
(5) Doesthepowersupplyunithave
a40Voutput?
No.....Replacethepowersupplyunit.
Yes....Replacethemainboard.