Huawei SUN2000-4.95KTL-JPL1 User Manual

Alarm
ID
Alarm Name Alarm
Severity
Possible Causes Troubleshooting
2088 Abnormal DC
Protection Unit
Major ID 1: The fuse is not in
position or is blown.
ID 2: The two relays on the
breaking board are open-
circuited.
ID 3: The contact points of
the DC switches are stuck.
1. 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 to
replace the faulty
component.
2. If the LED1 indicator (PV
indicator) is
o, contact
your dealer or Huawei
technical support to
replace the SUN2000. If
the LED1 indicator (PV
indicator) is on, wait
until the PV string
current decreases to
below 0.5 A. 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.
2090
Abnormal
Active Power
Scheduling
Instruction
Major Cause ID = 1
1. The DI input is
abnormal.
2. The DI input is
inconsistent with the
conguration.
1. Check whether the
cables are connected
correctly to the DI ports.
2. Access the conguration
page for the dry contact
DI active power
scheduling mode and
view the DI signal
conguration mapping
table. Contact the power
grid company to check
whether the
congurations in the
mapping table are
complete and meet the
requirements.
SUN2000-4.95KTL-JPL1
User Manual 8 Maintenance
Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd. 91

Huawei SUN2000-4.95KTL-JPL1 Specifications

General

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