
SmartLogger2000
User Manual
9 Device Maintenance
Issue 04 (2018-04-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
205
No.
Symptom
Possible Cause
Suggestion
9
The
communicatio
n fails in
RS485
networking.
1.
The RS485 communications cable
connection is incorrect, loose,
disconnected.
2.
The SmartLogger or its connected
device is not powered on.
3.
The RS485 communications
parameter values are incorrect.
1.
RJ45 network port connection:
Check that the RJ45 connector is
properly crimped and that each core
wire connects to the correct pin.
2.
Terminal block connection: Check
that the RS485 communications
cable is connected to the correct port
on the terminal block.
3.
Verify that the RS485 ports of other
devices connect to the correct ports
on the SmartLogger.
4.
Check the RS485 cables. If they are
loose, disconnected, or connected
reversely, reconnect them securely
and correctly.
5.
Power on the SmartLogger and its
connected device.
6.
Check the settings of RS485
communications parameters.
7.
Contact the vendor or Huawei
technical support.
9.3 Alarm List
describes the common alarms for the SmartLogger and the troubleshooting
measures.
Table 9-2
Alarm list
Alarm
ID
Alarm
Name
Alarm
Severity
Alarm
Sub-ID
Cause
Measures
1100
Abnorm
al
P-Contro
l
Major
4
Under the active
power
Dry
contact remote
control
mode,
the four DI
ports read
command
combinations
not configured.
1.
Verify that the cables are connected
correctly to the DI ports.
2.
Access the active power
Dry contact
remote control
configuration page and
check the mapping table of the DI signal
configuration. Contact the power grid
company and verify that the
combination configurations in the table
are complete and meet the requirements
of the company.