4036-304
Troubleshooting
The tables in this section provide detailed troubleshooting information.
The Power does not come on
Cause | Relevant | Check * | Action | |
Unit | ||||
|
|
| ||
|
|
|
| |
Unplugged | None | Visual check | Insert the ac | |
from outlet |
|
| plug into the | |
|
|
| outlet. | |
|
|
|
| |
AC power | LVPS | Visual check | Insert the ac | |
unplugged at |
|
| cable into | |
power supply |
|
| power supply. | |
|
|
|
| |
Power switch | None | Visual check | Turn the power | |
is OFF |
|
| switch on. | |
|
|
|
| |
Power supply | None | Visual check | Connect the | |
power |
|
| connector. | |
distribution |
|
|
| |
board |
|
|
| |
connection |
|
|
| |
failure |
|
|
| |
|
|
|
| |
Power supply | LVPS | Tester check | Replace the | |
output voltage |
| the LVPS | power supply. | |
failure |
| (+5V +12V, |
| |
|
| +24V, GND) |
| |
|
|
|
| |
Power | Power | Tester check | Replace the | |
distribution | distribution | (+5V, GND) | failed power | |
board | board |
| distribution | |
|
|
| board. | |
|
|
|
| |
MFD | MFD | None | If problem still | |
controller | controller |
| exists, replace | |
board | board |
| MFD controller | |
|
|
| board. | |
|
|
|
|
*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.)
Problem Solving
