Huawei SUN2000-250KTL Series User Manual page 104

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
Alar Alarm
m ID Name
2104 DC
Terminal
Tempera
ture
Abnorm
al
6144 Monitori
0 ng Unit
Faulty
Issue 07 (2023-06-30)
Alarm Possible Cause
Severity
Major Cause ID = 2–7,
corresponding to MPPT1–
MPPT6
The temperature of the DC
terminal on the MPPT is
abnormal.
Minor Cause ID = 1
● The flash memory is
insufficient.
● The flash memory has
bad sectors.
Copyright © Huawei Technologies Co., Ltd.
Suggestion
Power off the device (turn off the AC
and DC switches, and wait for a
period specified 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.
Turn off 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.
9 Alarm Reference
97