Oce 3121, Technical & Service Manual

Page: 145 / 908

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ed.2 Trouble shooting 37
43 E803 24 V output error from the composite Power supply PBA.
44 There is no AC power.
Cause Step Checks Yes/No Action
1 Turn OFF/ON the main
power switch. Is the problem
corrected? Yes End
Scanning
lamp 2 Does the scanning lamp
remain OFF?. Or does the
scanning lamp remain dim,
when the copy button is
pressed? Yes
■
If the lamp does not
turn ON, see “The scan-
ning lamp fails to turn
ON.”
■
If the lamp switches
ON, check the ends of
the lamp. If the ends are
black, replace the lamp.
DC control
PBA 3 Replace the DC control PBA.
Is the problem corrected? Yes End
Composite
Power sup-
ply PBA No Replace the composite
Power supply PBA
Cause Step Checks Yes/No Action
Error code 1 Is an error code displayed,
when the main ON/OFF
switch is switched ON? Yes See the description for
the relevant error code.
Mains sup-
ply is discon-
nected.
2
Is the copier connected to the
mains supply?
No
Connect the mains sup-
ply cable.
Mains power
supply 3 Is the rated supply available? No The problem is not of
the copier. Advise the
user.
Wiring 4 Is the wiring from the power
supply cord mount to the
composite power supply PBA
normal? No Correct it.
Noise filter Yes Check the fuse of the
noise filter. If blown,
replace the fuse.