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Removal and Installation Procedures
6-56
AWG510 & AWG520 Service Manual
Power off and remove the cover using
the Rear Cover and Cabinet removal
procedure. Check all the cables coming
out of the power supply module and the
cabling between modules. Be sure
every cable is attached securely.
Press the PRINCIPAL POWER
SWITCH on the rear panel, and then
press the ON/STBY button on the
front panel of the generator
Perform the front panel
module troubleshooting
procedure 2
(page 6-59).
With the
generator power on,
do the front panel lights
come on and then go
off later?
Does the
display seem
to be working
at all?
Power off the generator
and remove the cabinet
using the Rear Cover
and Cabinet removal
procedure.
Perform the monitor
module troubleshooting
procedure 3
(page 6-61).
Does the
generator respond
correctly when the
front panel buttons
are pushed?
Perform the CPU module
troubleshooting procedure 2
(page 6-59).
Does
the generator power
on and pass all the
diagnostics?
Perform the module isolation
troubleshooting procedure 4
(page 6-64).
Done.
No
Yes
Replace the Fun
(page 6-30).
Is
the voltage on
A10/A11 board
TP100 : +5 V
TP101 : +12 V
TP103 : -4.6 V
?
No
Perform the power supply module
troubleshooting procedure 2
(page 6-57).
Yes
No
Yes
Yes
No
No
Yes
No
Can you
hear the fan
whirling?
Disconnect the fun cable
and power on.
Figure 6-27: Primary troubleshooting procedure