Description
Megger EZ-Thump4 Cable Fault Locator Repair
The Megger EZ-Thump4 is a compact, all-in-one cable fault location system — it combines surge generation (thumping), TDR prelocation, and a receiver in one portable unit so a small crew can prelocate and pinpoint MV cable faults. Because it integrates several functions, repairs span the HV surge side and the sensitive measurement side both.
June Company repairs and calibrates the Megger EZ-Thump4 for underground cable crews and contractors.
Common Megger EZ-Thump4 problems we fix
- Surge generator rebuild — won’t thump or surge is weak, HV supply/capacitor/discharge-switch service to restore full energy.
- TDR recalibration — the prelocation reflectometer weak or drifting, recalibrated for clean traces.
- Receiver sensitivity restoration — can’t pick up the thump for pinpointing, restored.
- Won’t hold a charge — battery degradation, replaced.
- Internal HV arcing or control faults.
FAQs
My EZ-Thump prelocates but won’t pinpoint — fixable? Yes. That’s usually the surge side or the receiver, not the TDR; we isolate the failed stage, repair it, and verify the full prelocate-to-pinpoint workflow.
Are all functions verified? Yes — surge, TDR, and receiver are tested together, with documented results.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or submit a service request.






