Huawei SmartLogger1000 User Manual page 286

SmartLogger1000
User Manual
No. Symptom
3 The LCD
does not
respond
when a
button is
pressed.
Devices
4
cannot be
searched.
5 Devices
Status is
Disconnecti
on on the
SmartLogge
r.
6 The EMI
cannot be
added.
7 The
SmartLogge
r cannot
communicat
e with the
managemen
t system on
the PC.
Issue 12 (2019-01-15)
Possible Cause
1. The button is faulty.
2. The SmartLogger is faulty.
1. The COM ports are not connected to
devices, or the cables are loose,
disconnected, or reversely connected.
2. The communications parameters for
the RS485 port are incorrect.
3. No EMI is manually added.
4. The communications parameters for
the EMI are incorrect.
5. The address for the inverter is not
within the search address segment set
for the SmartLogger.
1. The cable between the device and the
SmartLogger is loose or disconnected.
2. The device is powered off.
3. The baud rate or RS485 address of the
device is changed.
4. The device is replaced.
5. The device is no longer connected.
1. The RS485 communications cable
between the EMI and the SmartLogger
is not properly connected, or the
RS485 communications cable is loose
or disconnected.
2. The EMI is powered off.
3. The baud rate of the EMI is
inconsistent with that of the
SmartLogger.
4. Parameter settings of the EMI are
incorrect.
1. The SmartLogger is not connected to
the PC, or the cable between the
SmartLogger and the PC is loose or
disconnected.
2. Ethernet parameters are not properly
set.
3. The management system parameters
are incorrectly set.
Copyright © Huawei Technologies Co., Ltd.
Measures
Contact the supplier or Huawei Customer
Service Dept.
1. Check the RS485 communications
cable connection. If any cable is loose,
drops off, or is reversely connected,
rectify the connection.
2. Correctly set the RS485
communications parameters, and
ensure that the baud rate and the
communications address are correctly
set.
3. Add the EMI manually.
4. Correctly set the EMI parameters
5. Set the address of the inverter to be
within the search address segment set
for the SmartLogger.
1. Verify that the cable between the
device and the SmartLogger is
properly connected and tightened.
2. Power on the device.
3. Verify the baud rate and RS485
address of the device.
4. If a device is replaced, search for or
manually add the device.
5. If the device is removed, remove the
device on the SmartLogger.
1. Verify that the RS485
communications cable is properly
connected and tightened.
2. Power on the EMI.
3. Verify the baud rate of the EMI.
4. Log in to the WebUI and verify the
parameter settings of the EMI.
1. Connect the Ethernet network port of
the SmartLogger to the PC or router.
2. Check that the Ethernet parameters are
correctly set.
3. Check whether the management
system parameters are correctly set.
9 Maintenance
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