Fault finding is the investigation of the cause of malfunction in machinery, especially electronic equipment.
Standard / Fundamental Faults
The following is a concise list of typical faults that are the most common causes of a circuit ceasing to operate correctly:
- Loss of supply
- Earth fault
- Dead short
- Incorrect or missing protective device
- Defective components
- Breakdown of control circuits
- Reversed polarity
- Initial faults on newly installed work
- Phase rotation