Huawei SmartLogger2000-10-C-JP Quick Manual page 22

14
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FAQ
FAQ
The SmartLogger cannot be powered on.
14.1
1. Check that the DC output power cable for the power adapter connects to the 12V IN port on the
SmartLogger.
2. Check whether the power cable is connected to the power adapter.
3. Check whether the power cable is inserted into an AC socket.
4. Replace the power adapter.
5. Contact the supplier or Huawei technical support.
The communication fails in RS485 networking.
14.2
1. RJ45 network port connection: Check whether the RJ45 connector is correctly crimped with
shielded cable wires of various colors connected to the correct pins.
2. Terminal block connection: Check whether the RS485 communications cable is connected to the
correct port of the terminal block.
3. Verify that the RS485 ports of other devices are connected to the correct ports on the
SmartLogger.
4. Check the RS485 communications cable connection. If any cable is loose, drops off, or is
reversely connected, rectify the connection.
5. Power on the SmartLogger and other devices.
6. Check the settings of the RS485 communications parameters.
7. Contact the supplier or Huawei technical support.
14.3 The SmartLogger cannot find devices.
1. Check the RS485 communications cable and power cable connections. If any cable is loose,
drops off, or is reversely connected, rectify the connection.
2. Check the settings of the RS485 communications parameters, such as the baud rate and
communications address, are correctly set, and that the SUN2000 address is within the search
range preset on the SmartLogger.
3. Add devices such as the EMI and power meter manually.
4. Contact the supplier or Huawei technical support.
The SmartLogger fails to communicate with the optical port of the
14.4
LAN switch.
1. Check whether the remote LAN switch is powered on. If no, power it on.
2. Check whether the optical module is inserted based on the status of the indicator for the
SmartLogger optical port. If the module is not inserted, insert or reseat it.
3. Check whether the optical jumper is securely connected. If the jumper is loose or disconnected,
reconnect and secure it.
4. Check whether the TX of the SmartLogger optical port connects to the RX of the optical port on
the LAN switch. If the optical jumper is reversely connected, correct the connection.
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