Troubleshooting
4-3
VSU-5000 User Guide
Alternate Power Supply Removal and Replacement
Referring to Figure 4-2, perform the following steps to replace the power supply
module:
1.
If the power supply is defective, the green LED indicator on the power supply
module will be OFF.
2.
Set the ON/OFF (I/O) switch of the defective power supply to OFF.
3.
Grasp the handle on the power supply, slide the retaining lock button to the
right, and gently pull the defective module out of its enclosure.
4.
Set the ON/OFF (I/O) switch on the new power supply module to OFF.
5.
Slide the new power supply module into the enclosure and press firmly on the
front of the module to securely seat the module. Be sure the retaining lock is
engaged to secure 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.
Chassis Cooling Fan
The VSU-5000 includes a cooling fan on the rear panel to cool the chassis.
This cooling fan is hot-swappable and can be replaced without powering down
the VSU-5000. Contact your customer service representative to obtain a
replacement for the defective fan. Operation can quickly be verified by holding
an open hand near the fan to sense airflow.
Fan Removal and Replacement
Referring to Figure 4-2, perform the following steps to replace the cooling fan:
1.
Unscrew the two thumbscrews in the lower left and upper right corner of the
fan, then pull the fan straight out of the unit.
2.
Making sure that the fan’s power connector is aligned with its socket, slide
the new fan into place and tighten the two thumbscrews to secure it to the
unit.