Huawei SUN2000-4.95KTL-JPL1 User Manual

Alarm
ID
Alarm Name Alarm
Severity
Possible Causes Troubleshooting
● ID7: When the sunlight
is normal, perform the
optimizer search
function again.
● ID8: When the sunlight
is normal, perform the
optimizer search
function again.
● ID9: Calculate the PV
string voltage based on
the number of PV
modules in the PV string
and check whether the
PV string voltage
exceeds the upper
threshold of the
SUN2000 input voltage.
2082 Grid-tied/O-
grid Controller
Abnormal
Major ID 1: The SUN2000 fails to
communicate with the
Backup Box.
ID 2: An unrecoverable
fault occurs on a circuit
inside the Backup Box.
1. Send a shutdown
command on the app.
Turn o the AC output
switch, DC input switch,
and battery switch.
2. Check whether the
power cable and RS485
cable between the
Backup Box and the
SUN2000 are normal.
3. After 5 minutes, turn on
the battery switch, AC
output switch, and DC
input switch.
4. If the alarm persists,
contact your dealer or
Huawei technical
support.
2087 Internal Fan
Abnormal
Major The internal fan is short-
circuited, the power supply
is insucient, or the fan is
damaged.
Turn o the AC output
switch and then the DC
input switch. Turn them on
after 5 minutes and wait
for the SUN2000 to
connect to the power grid.
If the alarm persists,
contact your dealer or
Huawei technical support.
SUN2000-4.95KTL-JPL1
User Manual 8 Maintenance
Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd. 90

Huawei SUN2000-4.95KTL-JPL1 Specifications

General

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