Huawei SUN2000 M5 Series User Manual

Alarm
ID
Alarm
Name
Alarm
Severity
Possible Causes Troubleshooting
2035 Grid volt.
Imbalanc
e
Major Cause ID = 1
The dierence
between power
grid phase voltages
exceeds the upper
threshold.
1. If the alarm occurs occasionally, the
power grid may be abnormal
temporarily. The inverter
automatically recovers after detecting
that the power grid becomes normal.
2. If the alarm persists, check whether
the power grid voltage is within the
acceptable range. If not, contact the
local power operator.
3. If the alarm lasts for a long time,
check the AC output power cable
connection.
4. If the AC output power cable is
correctly connected, yet the alarm
persists and
aects the energy yield
of the PV plant, contact the local
power operator.
2036 Grid
overfrequ
ency
Major Cause ID = 1
Power grid
exception: The
actual power grid
frequency is higher
than the
requirements for
the local power
grid code.
1. If the alarm occurs occasionally, the
power grid may be abnormal
temporarily. The inverter
automatically recovers after detecting
that the power grid becomes normal.
2. If the alarm persists, check whether
the power grid frequency is within
the acceptable range. If not, contact
the local power operator. If yes,
modify the grid overfrequency
protection threshold through the app,
SmartLogger, or NMS with the
consent of the local power operator.
2037 Grid
underfreq
uency
Major Cause ID = 1
Power grid
exception: The
actual power grid
frequency is lower
than the
requirements for
the local power
grid code.
1. If the alarm occurs occasionally, the
power grid may be abnormal
temporarily. The inverter
automatically recovers after detecting
that the power grid becomes normal.
2. If the alarm persists, check whether
the power grid frequency is within
the acceptable range. If not, contact
the local power operator. If yes,
modify the grid underfrequency
protection threshold through the app,
SmartLogger, or NMS with the
consent of the local power operator.
SUN2000-(12KTL-25KTL)-M5 Series
User Manual 8 Maintenance
Issue 03 (2023-02-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 70

Huawei SUN2000 M5 Series Specifications

General

Max Efficiency	98.6%
Max Input Voltage	1100 V
MPPT Operating Voltage Range	200 V - 1000 V
Operating Temperature Range	-25°C to +60°C
Communication	RS485, 4G (optional)