Huawei SUN2000-250KTL Series - Page 104

Alar
m ID
Alarm
Name
Alarm
Severity
Possible Cause Suggestion
2104 DC
Terminal
Tempera
ture
Abnorm
al
Major Cause ID = 2–7,
corresponding to MPPT1–
MPPT6
The temperature of the DC
terminal on the MPPT is
abnormal.
Power o the device (turn o the AC
and DC switches, and wait for a
period specied on the device safety
warning label), and check the cable
connection to the DC terminal of the
MPPT as follows:
1. Check whether the cables meet the
requirements.
2. Check whether the PV terminal
cores are crimped properly.
3. Check whether the PV terminal
models are correct.
4. Check whether PV terminals are
loosely connected.
5. If the preceding items are normal,
turn on the AC switch and DC switch,
and restart the device.
If the fault persists, contact your
dealer or technical support.
6144
0
Monitori
ng Unit
Faulty
Minor Cause ID = 1
● The ash memory is
insucient.
● The ash memory has
bad sectors.
Turn o the AC and DC switches, wait
for 5 minutes, and then turn on the
AC and DC switches. If the fault
persists, replace the monitoring board
or contact your dealer or technical
support.
SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual 9 Alarm Reference
Issue 07 (2023-06-30) Copyright © Huawei Technologies Co., Ltd. 97