8mo. OCR: NO Real Time Failure Information Code Description VPV001 05 PUMP P/V （A), Current below normal Description PUMP ۷/٧ (A). Ben Daniels Diagnostic Service Codes - Bobcat Company
Troubleshooting the Doosan VPV001-05 Error Code When you're out in the field and your Doosan excavator—like a —suddenly flashes the
: Ensure the reservoir is full. Never open a hot radiator cap; check the overflow tank first.
: Open circuits, frayed wires, or corroded connectors between the controller and the pump solenoid. Faulty Solenoid
Doosan (now DN Solutions) offers a for machining centers — but the exact option code is usually something like VAC-PMP or part of the M-code option list. VPv001-05 does not match standard option codes from factory. doosan code vpv001-05
: Set the multimeter to DC Volts. Measure across the harness side plug pins while operating the corresponding panel controls. It should match the system's reference voltage.
| Feature | Specification / Information | | :--- | :--- | | | Pump Proportional Valve (Pump P/V) | | FMI (Failure Mode Identifier) | 05 - Current Below Normal or Open Circuit | | Affected Component Location | Front Pump; CN1-10 and CN1-21 terminals | | Standard Resistance Value | Approximately 18 ± 2 Ω (at 25°C / 77°F) | | Primary Symptom(s) | Engine RPM limited to ~1200 rpm; Continuous alarm; Potential hard starting or stalling | | Main Diagnostic Approach | Check for open/short circuits; Inspect CN1 harness connector; Measure component resistance |
To understand why VPV001-05 appears, you must understand the hierarchy of protection in a Doosan machine:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. DX180LC VPV001-05 Error: Troubleshooting Help & Solutions Never open a hot radiator cap; check the overflow tank first
Refers to the electrical circuit cluster assigned to the V ariable P roportional V alve network.
To effectively fix the issue, you must understand how the individual components interact: : Engine Coolant Temperature (ECT) Sensor.
: Use the machine's onboard diagnostic system to clear the code. If the code immediately returns, the fault is likely a hard electrical failure (e.g., an open circuit or failed solenoid).
The hydraulic pump defaults to a minimal fixed displacement baseline. This heavily slows down travel, swing, and arm cylinder speeds. VPv001-05 does not match standard option codes from factory
: Severe contamination in the main hydraulic system can physically stick the valve spool. While this is a mechanical restriction, the solenoid draws abnormal current trying to force the valve open, prompting the ECU to throw an electrical code. Step-by-Step Diagnostic & Repair Procedure
If the sensor appears damaged, it will need to be replaced. 3. Check Wiring and Connectors
: Rarely, the machine's ECU may fail to output the correct voltage to the circuit. Troubleshooting Steps
8mo. OCR: NO Real Time Failure Information Code Description VPV001 05 PUMP P/V （A), Current below normal Description PUMP ۷/٧ (A). Ben Daniels Diagnostic Service Codes - Bobcat Company