Huawei SmartLogger2000 User Manual page 213

SmartLogger2000
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.
Issue 04 (2018-04-10)
Possible Cause
1. The COM port does not connect to
any device, or the cable is loose,
disconnected, or reversely connected.
2. RS485 communications parameters
are not correctly set, and the inverter
address is beyond the search range
preset on the SmartLogger.
3. The devices that cannot be detected
automatically, such as the EMI and
electricity meter, are not manually
added.
1. The inverter is equipped with no PLC
STA.
2. The AC power cable is loose,
disconnected, or reversely connected.
3. The upstream circuit breaker for the
AC power cable is switched off.
4. If the PLC module is networked, set
Built-in PLC or Networking to
Disable.
5. The SmartLogger is faulty.
1. The optical fiber jumper is loose,
disconnected, or reversely connected.
2. The optical module is loose,
disconnected, or incorrectly inserted.
3. The Ethernet optical port is faulty.
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9 Device Maintenance
Suggestion
1. Check the RS485 cables. If they are
loose, disconnected, or connected
reversely, reconnect them securely
and correctly.
2. Check that the settings of RS485
communications parameters, such as
the baud rate and communications
address, are correctly set, and that the
inverter address is within the search
range preset on the SmartLogger.
3. Manually add the devices that cannot
be detected automatically, such as the
EMI and electricity meter.
4. Contact the vendor or Huawei
technical support.
1. Verify that the inverter is equipped
with a PLC STA.
2. Check the AC power cable. If it is
loose, disconnected, or connected
reversely, reconnect it securely and
correctly.
3. Check that the upstream circuit
breaker for the AC power cable is
switched on.
4. Set Built-in PLC and Networking to
Enable.
5. 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 the connection of the optical
module. If the module is not inserted
properly, insert it again.
3. Check that the Ethernet optical port
indicator blinks normally. Contact
the vendor or Huawei technical
support if the indicator is abnormal.
4. Contact the vendor or Huawei
technical support.
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