Huawei SUN2000-4KTL-L1 User Manual

Alarm
ID
Alarm Name Alarm
Severity
Possible Causes Troubleshooting
2011 String Reversed Major The PV string is reversely
connected.
Cause ID = 1, 2
● 1: PV1 is reversely
connected.
● 2: PV2 is reversely
connected.
Check whether the PV
string is reversely
connected to the SUN2000.
If yes, wait until the PV
string current decreases
below 0.5 A, set DC switch
to OFF, and adjust the PV
string polarity.
2021 AFCI Check
Failure
Major The AFCI check fails.
Cause ID = 1, 2
● 1: The AFCI check circuit
is abnormal.
● 2: The AFCI circuit is
faulty.
Turn o the AC output
switch and DC input switch,
and then turn them on
after 5 minutes. If the fault
persists, contact your
dealer or Huawei technical
support.
2032 Grid Failure Major Cause ID = 1
● The power grid
experiences an outage.
● The AC circuit is
disconnected or the AC
circuit breaker is OFF.
1. Check the AC voltage.
2. Check whether the AC
circuit is disconnected or
the AC circuit breaker is
OFF.
SUN2000-(2KTL-6KTL)-L1
User Manual 8 System Maintenance
Issue 10 (2023-02-13) Copyright © Huawei Technologies Co., Ltd. 91

Huawei SUN2000-4KTL-L1 Specifications

General

Max. efficiency	98.4%
Max. input voltage	600 V
Rated output power	4000 W
Dimensions (W x H x D)	365 x 365 x 156 mm
Max. apparent AC power	4000 VA
Nominal AC voltage	220 V / 230 V / 240 V
MPPT voltage range	200-1000 V
Number of MPP trackers	2
Max. short-circuit current per MPPT	15 A
Operating temperature range	-25°C to +60°C
Protection degree	IP65
Max. Input Power	6000 W
Max. Output Power	4000 W
Rated Output Voltage	220 V / 230 V / 240 V
Output Frequency	50 Hz / 60 Hz
Cooling Method	Natural convection
AC voltage range	180 V to 280 V