Installation guide

SZ-DOC-W5-1.pdf LTU/NTU
Version: 1.5 Operating Manual
87 Revision: 2002-09-10
8.3 LEDs
The four LEDs (1..4) are used to display normal operation condition and alarm condition. Each
LED can be green, amber, or red when lit according to the following table.
8.3.1 Status LEDs
Status LED
Power failure off
Local Hardware - / Software failure red blinking
Normal operation green
Non-urgent alarms (local / remote) amber
Urgent alarms (local / remote) red
Table 8-1: LED Indication