Protogate Freeway 3414, Hardware Maintenance Manual, Page: 38 / 72

38 DC 900-2031A
Freeway 3414/3414R Hardware Maintenance Guide
3.1 LED Indicators
A fault detection and alarm notification system monitors the Freeway status in order to
minimize the system down time. The system monitors power supply, disk drive, inter-
nal temperature and cooling fans. The status LEDs are located on the front of the access
door that covers the power switch and disk drives as shown in Figure 3–1 .
3.1.1 System Status LEDs
Table 1 shows the system status LED indicators. If any of the conditions monitored by
the system is anything except normal, an audible alarm is activated. To stop the alarm
buzzer, press the Alarm Reset button.
When the PWR LED is RED, it indicates a redundant power supply failure. Inspect the
redundant power supplies immediately and determine which power supply has failed.
The GREEN LED at the bottom of the power supply will be RED or OFF on a failed
Figure 3–1: LED Indicators