IPC-622MS User's Manual 9
3.1 LED Indicators
Chapter 3 Fault Resilient Function
3.1 Introduction
A fault resilient IPC is one with a fault detection and alarm notification system. That means, a fault
resilient IPC should monitor its own status. When a malfunction occurs, the unit should also alert the
user of the need for maintenance.
3.2 Fault Detection and Alarm Notification
The IPC-622MS monitors system hardware for fan failure and high temperature within the chassis.
Fault conditions are :
Fan failure : Either of the four cooling fans fails
High Temperature : If the chassis interior temperature exceeds 55
o
C(131
o
F) (default setting), the LED
changes color from green to red also audio alarm. The LED remains red until the temperature goes
below 53
o
C
3.3 Visible Alarm and Audible Alarm
The IPC-622MS provides a quick fault identification with two front panel LED indicators display system
as follows :
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