Huawei SmartLogger2000 User Manual page 190

SmartLogger2000-(10-C, 11-C)
User Manual
No. Symptom
2 No device is
found.
3 The
communicatio
n for PLC
networking
fails.
4 The
communicatio
n for optical
fiber
networking
fails.
The device
5
status is
displayed as
disconnected
on the
SmartLogger.
Issue Draft A (2017-02-15)
Possible Cause
1. The COM port does not connect to
any device, or the cable is loose,
disconnected, or reversely connected.
2. The RS485 communications
parameter values are incorrect.
3. The devices that cannot be detected
automatically, such as the EMI and
power meter, are not manually added.
4. The EMI parameters are not set
correctly.
5. The inverter addresses are beyond the
search range of the SmartLogger.
1. The AC power cable is loose,
disconnected, or reversely connected.
2. The upstream circuit breaker for the
AC power cable is switched off.
3. The SmartLogger is faulty.
1. The optical fiber jumper is loose,
disconnected, or reversely connected.
2. The Ethernet optical port indicator is
faulty.
3. The Ethernet optical port is faulty.
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 removed and not
reconnected.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Device Maintenance
Suggestion
1. Check the RS485 cables. If they are
loose, disconnected, or connected
reversely, reconnect them securely
and correctly.
2. Check the RS485 communications
parameters and ensure that the baud
rates and communication addresses
are set correctly.
3. Manually add the devices that cannot
be detected automatically, such as the
EMI and power meter.
4. Check that the EMI parameters are
set correctly.
5. Change the inverter addresses to
within the search range of the
SmartLogger.
1. Check the AC power cable. If it is
loose, disconnected, or connected
reversely, reconnect it securely and
correctly.
2. Check that the upstream circuit
breaker for the AC power cable is
switched on.
3. Contact the vendor or Huawei
technical support.
1. Check the optical fiber jumper. If the
optical fiber jumper is loose,
disconnected, or connected reversely,
reconnect it securely and correctly.
2. Check that the Ethernet optical port
indicator blinks normally. Contact
the vendor or Huawei technical
support if the indicator is abnormal.
3. Contact the vendor or Huawei
technical support.
1. Check the cable between the device
and the SmartLogger. If it is loose or
disconnected, reconnect it securely.
2. Check the device connection and
power on the device.
3. Check that the baud rate and RS485
address of the device are set
correctly.
4. If any device is replaced, enable the
SmartLogger to search for the device
again or manually add the device.
5. If the device is removed from the
SmartLogger, remove the device on
the device management interface.
182