HMU8-860 ATS Remote Monitoring Controller User Manual Page 8 of 50
4
DISPLAY AND OPERATION
4.1
FRONT PANEL OF MONITORING MODULE
Fig.1 – Monitoring Module Front Panel
Table 4 – Description of Indicators
Indicators
Description
Alarm
Warning alarm: slow flash (1 time per second)
Shutdown alarm: fast flash (5 times per second)
No alarm: extinguish.
Comm.
It is always illuminated when the communication between display module and
master control module is normal;
It is extinguished when the communication is abnormal.
Power
It is always illuminated when controller is powered on and in operation;
It is extinguished when controller stops working.
