Filter
Top Products
Problem Solving 2-7
4036-304
Troubleshooting
The tables in this section provide detailed troubleshooting information.
The Power does not come on
* Check explains how to check the failed item.To do a visual check observe the part or
observe the offline test display on the front panel. To do a tester check, check the voltage
levels of the relevant units. (See Connector Locations.)
Cause
Relevant
Unit
Check * Action
Unplugged
from outlet
None Visual check Insert the ac
plug into the
outlet.
AC power
unplugged at
power supply
LVPS Visual check Insert the ac
cable into
power supply.
Power switch
is OFF
None Visual check Turn the power
switch on.
Power supply
power
distribution
board
connection
failure
None Visual check Connect the
connector.
Power supply
output voltage
failure
LVPS Tester check
the LVPS
(+5V +12V,
+24V, GND)
Replace the
power supply.
Power
distribution
board
Power
distribution
board
Tester check
(+5V, GND)
Replace the
failed power
distribution
board.
MFD
controller
board
MFD
controller
board
None If problem still
exists, replace
MFD controller
board.