Submersible Pump Breakdown Repairs & Electrical Fault Finding

Float switch dropouts, mechanical seal moisture ingress, and clogged impellers causing thermal overloads are primary causes of submersible pump failures. Lectro Power Systems provides comprehensive electrical diagnostics, early moisture seal detection, and dual-pump control servicing across Western Australia.
Symptoms We Resolve

Common Submersible Pump Faults We Diagnose & Fix

  • Float Switch Sticking & Failure

    Replacing fat-encrusted, tangled, or punctured mercury-free tilt floats in wastewater and drainage pits.
  • Moisture Ingress Seal Failures

    Wiring and testing moisture-sensing conductive probes inside pump oil chambers to catch leaks early.
  • Thermal Overload Tripping Under Slurry Load

    Investigating rag-bound impellers, mechanical seal binding, and phase loss on 415V pumps.
  • Dual-Pump Lead/Lag Alternator Faults

    Repairing electronic alternator relays, PLC cycle rotators, and simultaneous high-level start controls.
  • Submersible Drop Cable Insulation Damage

    Conducting high-voltage megger tests to locate water ingress and sheath cuts in wet wells.
  • Pump Starter Contactor Arcing & Pitting

    Replacing worn heavy-duty contactors, thermal relays, and capacitor banks on single-phase sumps.
The Lectro Advantage

Why Choose Lectro for Submersible Pump Repairs

  • Early moisture seal detection

    Wiring early-warning sensor relays that alert operators to seal wear before motor housing flooding occurs.
  • Non-clogging level control upgrades

    Installing ruggedised hydrostatic level transmitters or weighted float switches in heavy slurry pits.
  • Dual-pump lead/lag configuration

    Setting up automatic duty changeovers to balance pump run-hours and provide instant backup redundancy.
FAQs

Frequently Asked Questions

Why is our submersible drainage pump tripping the earth leakage (RCD) breaker immediately?
How does an early moisture seal probe protect expensive submersible pump motors?
Can you set up automatic duty rotation for a dual-pump lift station?
Do you service wastewater, stormwater, and chemical submersible pumps?