This topic describes the common faults in the SmartLogger and the troubleshooting measures.
Table 9-1 describes the common faults and the troubleshooting measures for the SmartLogger.
Table 9-1 Common fault list
No.
|
Symptom
|
Possible Cause
|
Measures
|
1
|
The SmartLogger cannot be powered on.
|
- The DC output terminal of the power adapter does not connect to the Power port of the SmartLogger.
- The AC input terminal of the power adapter does not connect to the AC power port.
- Power adapter is faulty.
- The SmartLogger is faulty.
|
- Connect the DC output of the power adapter to the Power port of the SmartLogger.
- Connect the AC input of the power adapter to the AC power port.
- Replace the power adapter.
- Contact the supplier or Huawei Customer Service Dept.
|
2
|
The LCD is off.
|
- The LCD is faulty.
- The SmartLogger is faulty.
|
Contact the supplier or Huawei Customer Service Dept.
|
3
|
The LCD does not respond when a button is pressed.
|
- The button is faulty.
- The SmartLogger is faulty.
|
Contact the supplier or Huawei Customer Service Dept.
|
4
|
Devices cannot be searched.
|
- The COM ports are not connected to devices, or the cables are loose, disconnected, or reversely connected.
- The communications parameters for the RS485 port are incorrect.
- No EMI is manually added.
- The communications parameters for the EMI are incorrect.
- The address for the inverter is not within the search address segment set for the SmartLogger.
|
- Check the RS485 communications cable connection. If any cable is loose, drops off, or is reversely connected, rectify the connection.
- Correctly set the RS485 communications parameters, and ensure that the baud rate and the communications address are correctly set.
- Add the EMI manually.
- Correctly set the EMI parameters
- Set the address of the inverter to be within the search address segment set for the SmartLogger.
|
5
|
Devices Status is Disconnection on the SmartLogger.
|
- The cable between the device and the SmartLogger is loose or disconnected.
- The device is powered off.
- The baud rate or RS485 address of the device is changed.
- The device is replaced.
- The device is no longer connected.
|
- Verify that the cable between the device and the SmartLogger is properly connected and tightened.
- Power on the device.
- Verify the baud rate and RS485 address of the device.
- If a device is replaced, search for or manually add the device.
- If the device is removed, remove the device on the SmartLogger.
|
6
|
The EMI cannot be added.
|
- The RS485 communications cable between the EMI and the SmartLogger is not properly connected, or the RS485 communications cable is loose or disconnected.
- The EMI is powered off.
- The baud rate of the EMI is inconsistent with that of the SmartLogger.
- Parameter settings of the EMI are incorrect.
|
- Verify that the RS485 communications cable is properly connected and tightened.
- Power on the EMI.
- Verify the baud rate of the EMI.
- Log in to the WebUI and verify the parameter settings of the EMI.
|
7
|
The SmartLogger cannot communicate with the management system on the PC.
|
- The SmartLogger is not connected to the PC, or the cable between the SmartLogger and the PC is loose or disconnected.
- Ethernet parameters are not properly set.
- The management system parameters are incorrectly set.
|
- Connect the Ethernet network port of the SmartLogger to the PC or router.
- Check that the Ethernet parameters are correctly set.
- Check whether the management system parameters are correctly set.
|
8
|
Emails cannot be received.
|
- The SmartLogger cannot communicate with the email server.
- Ethernet parameters are not properly set.
- Email parameters are not properly set.
|
- Connect the Ethernet network port of the SmartLogger to the PC or router.
- Check that the Ethernet parameters are correctly set.
- Check that the Email parameters are correctly set.
|
