SUN2000L-(2KTL-5KTL)
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Cause ID = 1-4
The upgrade does not end
normally.
1. Perform an upgrade again.
2. If the upgrade fails several times,
contact your dealer.
Cause ID = 1
The flash memory is
insufficient.
The flash memory has bad
sectors.
Contact your dealer to rectify the
fault.
Cause ID = 1
In Grid Connection with
Zero Power mode, the
energy meter
communication is
interrupted.
In Maximum Use of
Self-Produced Power mode,
the energy meter
communication is
interrupted.
1. Check that the preset energy
meter model is the same as the
actual model.
2. Check that the preset
communications parameters for
the energy meter are the same as
the actual configurations.
3. Check that the energy meter is
powered on and the RS485
communications cable is
correctly connected.
Cause ID = 1
The battery is faulty.
The battery communication
is interrupted.
The battery switch trips
when the SUN2000L is
running.
1. Check that the communications
cable and power cable between
the SUN2000L and the battery
are properly connected.
2. Check that the battery switch is
turned on properly.
3. Turn off the AC output switch,
DC input switch, and battery
switch, and then turn them on
after 5 minutes. If the fault
persists, contact your dealer.
Peripheral
Port Short
Circuit
Cause ID = 1
The SUN2000L Alarm port is
short-circuited when supplying
12 V power to peripherals.
1. Turn off the AC and DC switches
on the SUN2000L and disconnect
the peripheral from the Alarm
port. Then power on the
SUN2000L again and try to clear
the alarm manually. If the alarm
persists, contact your dealer to
rectify the fault. If the alarm is
cleared, it indicates that the port
on the SUN2000L is normal.
Then check that the pins in the
power port on the peripheral are
not short-circuited.
2. Replace the peripheral, and then
start a self-check to check that the
port functions properly.
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