INSTALLATION MANUAL User Manual

Chapter 8

Troubleshooting and Maintenance

8–3

To aid in troubleshooting, LED indicators are provided on the Power Supply

Board and Processor Board (refer to Figure 8.1). Use the diagnostics mode to

further isolate problems.

Figure 8.1

Fault Isolation LEDs

RESET

AC Power LED

DC Power LEDs

The Processor Board has two LEDs indicating that the proper DC power is

applied to the board. The Processor Board also has an LED indicating that

AC power is applied. Use these LEDs in conjunction with the diagnostic

mode to isolate faulty components.

Usin

D Indicato

and Diagnostic Mode