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 Fault Types and Troubleshooting
Power Supply Faults
-
No Power Fault
- Check circuit breaker status
- Measure input voltage
- Troubleshoot line breaks
-
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
- Observe fault phenomena
- Analyze possible causes
- Conduct step-by-step testing and verification
- Implement solutions