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Troubleshooting - Huawei PDU8000 Quick Manual

Modular integrated pdc
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Troubleshooting

Symptom
Possible Cause
The LCD fails to
display branch
currents.
The LCD fails to
display the circuit
breaker status.
The LCD is
black or blinks.
The indicators
of the
monitoring
board module
do not light up.
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.
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.
The input N wire is disconnected.
The LCD is faulty.
Cables are not properly connected.
The power distribution monitoring board is
faulty.
11
Solution
1. Replace the monitoring
board module.
2. Contact Huawei
technical support.
1. Replace the monitoring
board module.
2. Contact Huawei
technical support.
Secure the input N wire.
Replace the LCD.
1. Replace the monitoring
board module.
2. Contact Huawei
technical support.

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