Huawei SUN2000-4.95KTL-JPL1 User Manual

Alarm
ID
Alarm Name Alarm
Severity
Possible Causes Troubleshooting
2072 Transient AC
Overvoltage
Major Cause ID = 1
The SUN2000 detects that
the phase voltage exceeds
the transient AC
overvoltage protection
threshold.
1. If the voltage at the grid
connection point is too
high, contact the local
power operator.
2. If you have conrmed
that the grid connection
voltage exceeds the
upper threshold and
have obtained the
consent of the local
power operator, modify
the overvoltage
protection threshold.
3. Check whether the peak
grid voltage exceeds the
upper threshold.
2075 External Device
Port Short
Circuit
Warning Cause ID = 1
The SUN2000 Alarm port is
short-circuited when
supplying 12 V power to a
peripherals device.
1. Turn o the AC and DC
switches on the
SUN2000 and
disconnect the
peripherals device from
the Alarm port. Then
power on the SUN2000
again and try to clear
the alarm manually over
the mobile phone app
by following the
instructions in the user
manual. If the alarm
persists, contact your
dealer or Huawei
technical support. If the
alarm is cleared, the
Alarm port is normal.
Check whether the
power port pin of the
peripherals device is
short-circuited.
2. After replacing the
peripherals device, start
the self-check according
to the user manual and
ensure that the port
functions properly.
SUN2000-4.95KTL-JPL1
User Manual 8 Maintenance
Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd. 87

Huawei SUN2000-4.95KTL-JPL1 Specifications

General

Brand	Huawei
Model	SUN2000-4.95KTL-JPL1
Category	Inverter
Language	English