Huawei SUN2000-50KTL-JPM0 - Page 13

SUN2000-(50KTL-JPM0, 50KTL-JPM1, 63KTL-JPM0)
User Manual
2 Overview
Issue 01 (2018-09-30)
Copyright © Huawei Technologies Co., Ltd.
7
LED
Status
Meaning
Communication LED
Blinking green (on for 0.2s and then off
for 0.2s)
The SUN2000 receives data over
RS485 communication.
Off
The SUN2000 has not received data
over RS485 communication for 10
seconds.
Alarm/Maintenance LED
Alarm status
Blinking red at long
intervals (on for 1s and
then off for 4s)
The SUN2000 is generating a warning
alarm.
Blinking red at short
intervals (on for 0.5s
and then off for 0.5s)
The SUN2000 is generating a minor
alarm.
Steady red
The SUN2000 is generating a major
alarm.
Local
maintenance
status
Blinking green at long
intervals (on for 1s and
then off for 1s)
Local maintenance is in progress.
Blinking green at short
intervals (on for 0.125s
and then off for 0.125s)
Local maintenance fails.
Steady green
Local maintenance is successful.

Local maintenance refers to operations performed after a USB flash drive, Bluetooth module, or
USB data cable is inserted into the USB port of the SUN2000. For example, local maintenance
includes configuration import and export using a USB flash drive, and maintenance operations on
the SUN2000 app installed on a device connected to the SUN2000 by a Bluetooth module or USB
data cable.

If an alarm occurs during local maintenance, the Alarm/Maintenance LED shows the local
maintenance status first. After the USB flash drive, Bluetooth module, or USB data cable is removed,
the LED shows the alarm status.
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