Indicator Status - Huawei SUN2000-250KTL Series User Manual

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
DC SWITCH
● The DC SWITCH automatically turns off when the inverter reports the String
● The DC SWITCH automatically turns off if a fault occurs in the inverter. In this
Table 2-1 DC SWITCH description
Switch
DC
SWITCH
Figure 2-8 DC SWITCH

2.4.2 Indicator Status

Indicator
PV connection
indicator
Issue 02 (2022-12-20)
D ANGER
Reverse Connection or String Current Backfeed alarm. Check the fault type
on the mobile app. After the fault is rectified, wait for at least 3 minutes, turn
the switch handle to OFF to complete the reset, and then turn it on. For details,
see Resetting and Turning On the DC
case, the alarm/maintenance indicator is steady red, and the two DC SWITCH
automatically turn off. Then, contact technical support and do not turn on the
DC SWITCH by yourself.
Description
ON
TRIP
OFF
Status (Blinking Fast: On
for 0.2s and Off for 0.2s;
Blinking Slowly: On for 1s
and Off for 1s)
Steady green
Copyright © Huawei Technologies Co., Ltd.
SWITCH.
The DC SWITCH is on and can turn off for protection.
The DC SWITCH is automatically turned off. (The
switch handle is between ON and OFF.)
The DC SWITCH is off.
Meaning
At least one PV string is properly connected,
and the DC input voltage of the
corresponding MPPT circuit is higher than
or equal to 500 V.
2 Overview
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