
4-2
Troubleshooting
VSU-5000 User Guide
Power Supply Removal and Replacement
Referring to Figure 4-1, perform the following steps to replace the power supply
module:
1.
Unscrew the thumbscrew next to the hinged fan assembly on the back of the
unit and swing the fan assembly open to expose the power supply modules.
NOTE:
The warning buzzer will continue to buzz as long as the fan assembly
door is opened.
2.
If the power supply is defective, the green LED indicator on the power supply
module will be OFF.
3.
Set the ON/OFF (I/O) switch on the power supply to OFF.
4.
Grasp the handle on the power supply and gently pull the module out of its
enclosure.
Figure 4-1
Power Supply Removal and Replacement
5.
Set the ON/OFF (I/O) switch on the new power supply module to OFF, then
slide the new power supply module into the enclosure and press firmly on the
front of the module to securely seat the module.
WARNING:
Do not insert any object into the power supply slot, such as fingers,
tools, etc., as dangerous voltages exist on the connectors.
6.
Set the ON/OFF (I/O) switch of new power supply module to the ON
position, then close and secure the fan assembly door.