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SUN2000-(125KTL-M5, 200KTL-H4, 250KTL-H0,
286KTL-H0)
User Manual
Alarm
Alarm
ID
Name
2097
Manage
ment
system
certifica
te
expired
2103
AC
Termina
l
Temper
ature
Abnorm
al
Issue 04 (2023-09-22)
Severit
Possible Cause
y
Major
Cause ID = 1
The digital signature certificate
has expired.
Major
1. The AC power cable is not of
the recommended
specifications or is oxidized.
2. The OT/DT terminal of the AC
power cable is not crimped as
required.
3. The fastening torque of the
AC terminal does not meet
the requirement.
Copyright © Huawei Technologies Co., Ltd.
9 Alarm Reference
Suggestion
Replace the digital signature
certificate immediately.
Power off the devices
connected to the same DC bus
(issue a shutdown command,
turn off the AC and DC
switches, and wait for the
period specified on the device
safety warning label), and then
perform the following steps:
1. Check whether the cables
meet the requirements.
2. Check whether the OT/DT
terminals are crimped as
required.
3. Check that the fastening
torque of wiring terminals
meets the requirement.
4. Turn on the AC switch and
DC switch, and restart the
inverter.
If the fault persists, contact
your dealer or technical
support.
117
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