Description
Megger SG25-1150M Cable Fault Locator Repair
The Megger SG25-1150M Cable Fault Locator is a cable fault locator – it finds where a cable has failed, usually by combining a surge generator that makes the fault arc with a receiver that pinpoints it. Two very different subsystems, and they fail independently.
The Megger SG25-1150M Cable Fault Locator is repaired at June Company by technicians who work on this class of instrument daily, for utility cable crews, electrical contractors, and underground distribution teams. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Megger SG25-1150M Cable Fault Locator problems we fix
- Internal power supply faults.
- Surge generator not producing full output – the high-energy side, which is what makes a fault audible and locatable at all.
- TDR pulse or trace faults.
- Receiver sensitivity degraded.
- Distance measurement inaccurate.
- High-voltage output stage failure.
- Capacitor bank or discharge faults.
- Display, keypad or front-panel faults.
FAQs
Are the measurements verified after repair? Yes, against reference standards, with the measured results documented and returned with the instrument.
The TDR works but I cannot pinpoint the fault. What failed? Usually the surge generator rather than the TDR. They are separate subsystems and fail independently.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.







