Replacing An Inverter - Huawei SUN2000-8K-LC0 Series User Manual

SUN2000-(8K, 10K)-LC0 Series
User Manual
Alarm ID Alarm
Name
2082 Grid-
tied/Off-
grid
Controlle
r
Abnorma
l
2086 External
fan
abnorma
l

8.4 Replacing an Inverter

Step 1 Remove the inverter.
1.
2.
3.
4.
5.
Step 2 Pack the inverter.
Issue 01 (2023-09-15)
Alarm Possible Causes
Severity
Major Cause ID = 1
The device fails to
communicate with the
Smart Backup Box.
Cause ID = 2
An unrecoverable fault
occurs on a circuit inside
the Smart Backup Box.
Major Cause ID = 1
The external fan is short-
circuited, the power supply
is insufficient, or the air
channel is blocked.
NO TE
Contact your dealer if all failure analysis procedures listed above are completed and the
fault still exists.
Power off the system. For details, see
Disconnect all cables from the inverter, including signal cables, DC input
power cables, battery cables, AC output power cables, and PE cables.
Remove the WLAN antenna or Smart Dongle from the inverter.
Remove the inverter from the mounting bracket.
Remove the mounting bracket.
Copyright © Huawei Digital Power Technologies Co., Ltd.
8 System Maintenance
Troubleshooting
1. Send a shutdown command
on the app. Turn off the AC
output switch, DC input
switch, and battery switch.
2. Check whether the power
cable and RS485 cable
between the Smart Backup
Box and the device are
normal.
3. After 5 minutes, turn on the
battery switch, AC output
side, AC output switch, and
DC input switch.
4. If the alarm persists, contact
your dealer or technical
support.
1. Shut down the fan, turn off
the DC switch, check whether
the fan blades are damaged,
and clear the foreign matter
around the fan.
2. Reinstall the fan, turn on the
DC switch, and wait for the
inverter to start. If the fault
persists after 15 minutes,
replace the external fan.
8.2 System Power-Off.
103