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Huawei SUN2000 Series User Manual

Huawei SUN2000 Series
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Table 8-2 Common alarms and troubleshooting measures
Alarm
ID
Alarm
Name
Alarm
Severity
Possible Cause Suggestion
2001 High
String
Input
Voltage
Major Cause ID = 1: PV1 and PV2
Cause ID = 2: PV3 and PV4
Cause ID = 3: PV5 and PV6
Cause ID = 4: PV7 and PV8
Cause ID = 5: PV9 and PV10
Cause ID = 6: PV11 and PV12
Cause ID = 7: PV13 and PV14
Cause ID = 8: PV15 and PV16
Cause ID = 9: PV17 and PV18
Cause ID = 10: PV19 and PV20
The PV array is not properly
congured. Excessive PV modules
are connected in series to a PV
string, and therefore the PV string
open-circuit voltage exceeds the
maximum operating voltage of
the solar inverter.
Reduce the number of PV
modules connected in series
in the PV string until the PV
string open-circuit voltage is
not greater than the
maximum operating voltage
of the solar inverter. After the
PV array
conguration is
corrected, the alarm
disappears.
2003 DC arc
fault
Major Cause ID = 1–20: PV1–PV20
The PV string power cables arc or
are in poor contact.
Check whether the PV string
cables arc or are in poor
contact.
2011 String
Reverse
Connecti
on
Major Cause ID = 1–20: PV1–PV20
The PV string is reversely
connected.
Check whether the PV string
is reversely connected to the
solar inverter. If yes, wait
until the solar irradiance
declines at night and the PV
string current drops below 0.5
A. Then, turn
o the DC
switches and correct the PV
string connection.
SUN2000-(100KTL, 110KTL, 115KTL)-M2
User Manual 8 Maintenance
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 92

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Huawei SUN2000 Series Specifications

General IconGeneral
Max Efficiency98.6%
MPPT Efficiency99.9%
Protection RatingIP65
Max. DC Voltage1100 V
Rated AC Frequency50 Hz / 60 Hz
Rated Power3kW - 10kW
Operating Temperature Range-25 °C ~ +60 °C
CommunicationRS485
Rated AC Power3kW - 10kW
Power Factor Adjustment Range0.8 leading to 0.8 lagging
Total Harmonic Distortion (THD)≤ 3%
ProtectionDC reverse polarity
CoolingNatural convection
DC ConnectionMC4

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