Huawei SmartLogger3000 User Manual page 147

SmartLogger3000
User Manual
No. Fault
2 The
SmartLogger
cannot find
any device.
3 The
communicatio
n for MBUS
networking
failed.
4 The device
status is
displayed as
disconnected
on the
SmartLogger.
Issue 03 (2020-01-10)
Cause
1. The COM ports are not connected to
devices, or the cables are loose,
disconnected, or reversely connected.
2. The RS485 communications
parameters are not correctly set, and
the solar inverter address is beyond
the search range preset on the
SmartLogger.
3. The devices that cannot be detected
automatically, such as the EMI and
power meter, are not manually added.
1. The solar inverter and SmartLogger
do not support MBUS.
2. The AC power cable is loose,
disconnected, or reversely connected.
3. The upstream circuit breaker for the
AC power cable is turned off.
4. In MBUS networking, Built-in
MBUS or Networking is set to
Disable.
5. The SmartLogger is faulty.
1. The cable between the solar inverter
and the SmartLogger is loose or
disconnected.
2. The solar inverter is powered off.
3. The baud rate or RS485 address of the
solar inverter is changed.
4. The solar inverter is replaced.
5. The solar inverter is removed and not
reconnected.
Copyright © Huawei Technologies Co., Ltd.
7 Device Maintenance
Suggestions
1. Check the RS485 cable connection.
If the cable is loose, disconnected, or
reversely connected, reconnect it
firmly.
2. Check the RS485 communications
parameter settings. Ensure that the
baud rate and communication address
are set correctly and that the solar
inverter address is within the search
range of the SmartLogger.
3. Manually add the devices that cannot
be detected automatically, such as the
EMI and power meter.
4. Contact the dealer or Huawei
technical support.
1. Check whether the solar inverter and
SmartLogger support MBUS.
2. Check the AC power cable. If it is
loose, disconnected, or reversely
connected, reconnect it firmly.
3. Check that the upstream circuit
breaker for the AC power cable is
turned on.
4. Set Built-in MBUS and Networking
to Enable.
5. Contact the dealer or Huawei
technical support.
1. Check the cable between the solar
inverter and the SmartLogger. If the
cable is loose or disconnected,
reconnect it firmly.
2. Check the solar inverter connection
and power on the solar inverter.
3. Check that the baud rate and RS485
address of the solar inverter are set
correctly.
4. If any device is replaced, search for
the device again or manually add the
device.
5. If the device has been removed,
perform the Remove Devices
operation on the Device Mgmt. page.
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