
25
AC power is absent.
4–15
TROUBLESHOOTING MALFUNCTIONS
Cause
Error code
Power plug
(disconnected)
Main power
supply (absent)
Wiring
Noise filter
Main power
switch
Noise filter, AC
line
Step
1
2
3
4
5
Checks
Is an error code indicated when
the main power switch is turned
ON?
Is the power plug connected to
the power outlet?
Is the rated voltage present at
the power outlet?
Is the wiring from the power
supply cord mount to the com-
posite power supply PCB nor-
mal?
Disconnect the power plug
from the power outlet, and con-
nect the tester probes to both
terminals (fastons) of the main
power switch.
Is the resistance 0 when the
switch is turned ON and
when the switch is turned
OFF?
Yes/No
YES
NO
NO
NO
YES
NO
YES
Action
See the description for the
error code indicated.
Connect the power plug.
The problem is not of the copi-
er. Advise the user.
Correct it.
Check the fuse of the noise fil-
ter. If blown, replace the fuse.
Replace the main switch.
Check the wiring of the AC line
and the connector for contact;
if normal, replace the noise fil-
ter.
Summary of Contents for GP215
Page 4: ......
Page 36: ......
Page 38: ...3 2 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 39: ...3 3 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 40: ...3 4 B Image Fault Samples ...
Page 80: ......
Page 92: ...6 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS C Fans Figure 6 603 FM6 FM5 FM2 FM3 FM1 FM4 ...
Page 105: ...6 19 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 3 Composite Power Supply PCB Figure 6 610 ...
Page 204: ...C GENERAL CIRCUIT DIAGRAM General Circuit Diagram 1 4 A 3 ...
Page 205: ...General Circuit Diagram 2 4 A 4 ...
Page 206: ...General Circuit Diagram 3 4 A 5 ...
Page 207: ...General Circuit Diagram 4 4 A 6 ...