EA660 Modular UPS
User manual & Operation explain
36
At this time, the bypass voltage is normal, the inverter contactor is cut off, bypass contactor is
pull- in, the system is changed to bypass output; Turn off all of the modules, the alarm LED on each
module light continuously.
States diagram
:
On/Off
Run
Battery
Alarm
The alarm LED on monitoring panel light continuously, buzzer buzzing continuously, the
system monitoring LCD indicate information:
States diagram
:
+
-
Ent
Esc
Note: System shut down;
R is lack of voltage and system changes to bypass;
Inverter
Bypass
Alarm
On/Off
Ch/Float
Silence
Esc
Ent