Huawei SUN2000-55KTL Series Quick Manual page 3

Indicator Status
Communication
indicator Blinking green
Off
Alarm/Maintenan
ce indicator
Alarm status
Local
maintenance
status
Ports
(1) Waterproof cable connector (AC OUTPUT)
(3) USB port (USB)
(5) DC switch 2 (DC SWITCH 2)
(7) DC input terminals (controlled by DC
SWITCH 1)
NOTE
Waterproof cable connector is abbreviated as waterproof connector in the following text.
Blinking red at long intervals (on
for 1s and then off for 4s)
Blinking red at short intervals (on
for 0.5s and then off for 0.5s)
Steady red
Blinking green at long intervals
(on for 1s and then off for 1s)
Blinking green at short intervals
(on for 0.125s and then off for
0.125s)
Steady green
(2) Waterproof cable connector (RESERVE)
(4) DC switch 1 (DC SWITCH 1)
(6) Waterproof cable connector (COM1, COM2,
(8) DC input terminals (controlled by DC
SWITCH 2)
2
Description
The SUN2000 receives data
over RS485 or PLC
communication.
The SUN2000 has not received
data over RS485 or PLC
communication for 10 seconds.
A warning alarm is generated.
A minor alarm is generated.
A critical alarm is generated.
Local maintenance is in
progress.
Local maintenance fails.
Local maintenance succeeds.
and COM3)