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Common Troubleshooting for Low-Voltage Electrical Work

2024-03-07

广州创小焕新教育科技有限公司

Common Troubleshooting for Low-Voltage Electrical Work

Common Fault Types and Troubleshooting

Power Supply Faults

  1. No Power Fault

    • Check circuit breaker status
    • Measure input voltage
    • Troubleshoot line breaks
  2. Abnormal Voltage

    • Measure three-phase voltage balance
    • Check neutral line connections
    • Troubleshoot load imbalance

Equipment Faults

  • Poor contact troubleshooting
  • Overload protection activation
  • Insulation performance degradation

Troubleshooting Process

  1. Observe fault phenomena
  2. Analyze possible causes
  3. Conduct step-by-step testing and verification
  4. Implement solutions

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