Troubleshooting guide

Table Of Contents
222
3300 ICP Technician’s Handbook
Redundant Power Supply
AX, MXe, MXe Server
To add or replace a redundant power supply in an AX, MXe or MXe
Server:
1. Set the AC power switch to OFF, and remove the power cord from the
AC receptacle on the power supply.
2. Loosen the thumb screw on the power supply with a Phillips
screwdriver.
3. If replacing a power supply, slide the power supply unit out of the power
supply carrier on the rear of the controller
or
If adding a power supply, remove the power supply unit blanking panel.
4. Slide the new power supply unit into the power supply carrier on the
rear of the controller.
5. Push to seat the power supply into the power supply backplane.
6. Secure the thumb screw with a Phillips screwdriver and connect the
power cord.
7. Set the AC power switch to ON. AC and DC LEDs will illuminate.
Tip:If two power supplies are installed, one can be swapped out without
turning the other off. The system can remain running on one power supply
while the other is replaced.