Huawei PDU8000 Series - B Troubleshooting

18
No.
Symptom
Possible Cause
Solution
1
The LCD fails to
display branch
currents.
• The monitoring board communications
cable or the secondary cable to the
corresponding branch current
transformer is not properly connected.
• The current detection module or current
transformer is faulty.
1. Replace the
monitoring board
module.
2. Contact Huawei
technical support.
2
The LCD fails to
display the circuit
breaker status.
• The communications cable of the
Boolean value collection module or the
corresponding branch Boolean value
signal cable is not properly connected.
• The Boolean value collection module or
auxiliary switch contact is faulty.
1. Replace the
monitoring board
module.
2. Contact Huawei
technical support.
3
The LCD is black
or blinks.
• The input N wire is disconnected.
• The LCD is faulty.
• Secure the input N
wire.
• Replace the LCD.
4
The indicators of
the monitoring
board module do
not light up.
• Cables are not properly connected.
• The power distribution monitoring board
is faulty.
1. Replace the
monitoring board
module.
2. Contact Huawei
technical support.
B
Troubleshooting