Front View
(1) PV connection
indicator
(2) Grid-tied indicator
(3) Communication
indicator
(4) Alarm/Maintenance
indicator
(5) Host panel
(6) Maintenance
compartment
Table 2-2
LED description
Display
Category
Indicator Status
Meaning
PV indication
LED1
LED4
-
Steady
green
-
At least one PV string is properly connected, and
the DC input voltage of the corresponding MPPT
circuit is at least 500 V.
Blinking
green at
long
intervals
-
The test on the cable connection of PV strings is
complete, cables are correctly connected, and the
buzzer does not buzz.
Blinking red
at long
intervals
-
The test on the cable connection of PV strings is in
progress and the buzzer does not buzz.
Steady red
-
The test on the cable connection of PV strings is
complete, cables are incorrectly connected, and the
buzzer buzzes.
Blinking
green at
short
intervals
Red
An environmental fault occurs at DC side.
SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1
User Manual
2 Overview
Issue 05 (2020-08-30)
Copyright © Huawei Technologies Co., Ltd.
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