The proportional valve regulates how much hydraulic oil flows based on electronic currents. If the internal coil of the solenoid burns out, cracks, or develops high internal resistance, it will no longer pull the correct current, causing the controller to record a "-05" low current fault. 3. Machine Control Unit (MCU) / Controller Glitches
: Look for any signs of damage, fraying, or shorting along the harness from the pump to the main controller. Check Hydraulic Fluid
Inspect the wiring harness for at least 12 inches leading away from the sensor connector plug. Check for rubbing against sharp metal brackets, pinch points near structural hinges, and green copper-oxide corrosion scaling inside the terminal pins. Step 3: Check Sensor Reference Voltage Turn the machine's battery isolator switch on. Turn the ignition key to the position (Engine Off). Set your digital multimeter to DC Voltage . doosan fault code vpv00105 new
Unplug the harness and inspect both male and female pins for blue-green corrosion or backing-out (pins pushing out the rear of the plug). Step 2: Test the Sensor Resistance A Multimeter verifies if the sensor core is dead. Set your multimeter to read Ohms ( Ωcap omega
Anyone know the cure for this on a Doosan? Thanks - Facebook The proportional valve regulates how much hydraulic oil
When this error code triggers on a machine like a Doosan DX140LC or DX180LC, the culprit falls into one of three electrical categories: 1. Sensor Unplugged or Disconnected
: After checking connections, try to clear the code from the display. If the fault is "Active," the code will likely reappear immediately until the physical issue is fixed. Consult Technical Support Machine Control Unit (MCU) / Controller Glitches :
indicates a Hydraulic Pump Pressure Sensor (Primary) – Voltage Out of Range High . The Engine Control Unit (ECU) or Pump Control Unit has detected that the voltage signal from the main hydraulic pump pressure sensor is above 4.9V (or 5.0V reference) for a calibrated period.