Huawei SUN2000-330KTL-H2 - General Specifications

Alar
m ID
Alarm
Name
Alarm
Severity
Possible Cause Suggestion
2087 Abnorm
al
Internal
Fan
Major Cause ID = 1 and 2,
corresponding to internal
fans FAN1 and FAN2.
The internal fan is short-
circuited, the power supply
is
insucient, or the fan is
damaged.
Turn o the AC and DC switches, wait
for 5 minutes, and then turn on the
AC and DC switches. If the fault
persists after the device runs for 5
minutes, contact your dealer or
technical support to replace the
device.
2088 Abnorm
al DC
Protecti
on Unit
Major Cause ID = 3
The contact points of the
DC switches are stuck.
1. If the DC indicator on the panel is
o, contact your dealer or
technical support to replace the
device.
2. If the DC indicator on the panel is
on, wait until the PV string current
decreases to below 0.5 A, turn
o
the AC switch and DC switch, wait
for 5 minutes, and then turn on
the AC switch and DC switch. If
the fault persists after the device
runs for 5 minutes, contact your
dealer or technical support.
2093 Abnorm
al DC
Switches
Minor Cause ID = 1
The DC switch is not in the
ON position, or the DC
switch reset button is not
pressed down to the
bottom.
Check whether all DC switches are in
the ON position. If not, turn the
switches to the ON position (you can
rotate the switches with force to
ensure that they are in position). If
the switches still cannot be turned to
the ON position, press the reset
buttons of all DC switches inwards
until they cannot go further, and then
turn on the DC switches again.
2099 Local
Access
Certica
te
Invalid
Warning Cause ID = 1
The digital signature
certicate is invalid.
Check the time or replace the digital
signature certicate.
2100 Local
Access
Certica
te About
to Expire
Warning Cause ID = 1
The digital signature
certicate is about to
expire.
Replace the digital signature
certicate in time.
2101 Local
Access
Certica
te
Expired
Major Cause ID = 1
The digital signature
certicate has expired.
Replace the digital signature
certicate immediately.
SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual 9 Alarm Reference
Issue 07 (2023-06-30) Copyright © Huawei Technologies Co., Ltd. 95