Hydraulic Press Breakdown Repairs & Electrical Fault Finding

Proportional valve solenoid failures, main hydraulic pump motor overloads, and ram position limit faults bring stamping and pressing operations to a sudden halt. Lectro Power Systems delivers specialised electrical troubleshooting, proportional valve tuning, and certified safety interlock testing across Western Australia.
Symptoms We Resolve

Common Hydraulic Press Faults We Diagnose & Fix

  • Two-Hand Control Station Lockouts

    Diagnosing out-of-synchronisation pushbutton timing, failed safety relays, and damaged anti-tie-down circuits.
  • Proportional Valve Amplifier Faults

    Measuring coil resistance, tuning analog 0–10V/4–20mA drive cards, and fixing erratic ram speed control.
  • Main Hydraulic Pump Motor Overloads

    Investigating motor phase imbalances, mechanical pump cavitation drag, and star-delta starter failures.
  • Tonnage & Pressure Transducer Drift

    Calibrating electronic pressure sensors, high-pressure cut-out switches, and digital tonnage displays.
  • Ram Positioning & Top-Dead-Centre Faults

    Testing linear displacement transducers, rotary cam switches, and inductive proximity limits.
  • Oil Temperature & Level Safety Trips

    Replacing faulty oil thermistors, low-level tank float switches, and heat exchanger fan starters.
The Lectro Advantage

Why Choose Lectro for Hydraulic Press Repairs

  • Two-hand control & safety certification

    Strict functional verification of safety modules and anti-tie-down systems to AS/NZS 4024 standards.
  • Proportional valve diagnostics

    Advanced signal testing and calibration of proportional pressure and directional valve amplifiers.
  • Complete electromechanical testing

    Checking hydraulic relief valve pressures and mechanical guide binding alongside electrical circuits.
FAQs

Frequently Asked Questions

Why won't our hydraulic press initiate a stroke when both run buttons are pressed?
How do proportional valve driver amplifier cards control press speed and tonnage?
Can you service safety light curtains on hydraulic stamping presses?
Do you troubleshoot custom-built hydraulic power unit (HPU) control panels?