Doosan engine failed start problem is a universal error,here show the guide on how to solve Doosan engine failed start.
Preparation:
Doosan Data Monitoring System DMS-5 DMS-3 Free Download
2023 Doosan Diagnostic Tool DDT & G2 Scan Software Free Download
1) Overview
| CODE | REASON | EFFECT | 
| P0A0F SPN 520625 FMI 12 | At engine start, starting problems can occur due to the following causes: insufficient rail pressure, engine speed too low, lack of synchronisation, shut-off requests or unreleased starter. | SVS Lamp Torque Limit 0% | 
2) Circuit Description
3) Component Location
4) Condition for Running Diagnostic
Engine cranking
5) Condition for Setting the Fault Code At engine start, starting problems can occur due to the following causes: insufficient rail pressure,engine speed too low, lack of synchronisation, shut-off requests or unreleased starter.
6) Condition for Clearing the Fault Code
Clear the fault code with using the diagnostic tool
7) Check List
| Step | Inspection | Standard Value | YES | NO | 
| 1 | After put in the secret number in the excavator Check the cranking. | 2 | ||
| 2 | Check the Battery Voltage Key on : 24V Cranking : 17V | 3 | ||
| 3 | Check the CAM and CRS sensor -electric thing about CAM,CRS -Air Gap between CAM,CRS and Gear | 4 | ||
| 4 | Check the Starter | 5 | ||
| 5 | Check the rail pressure Compare the rail pressure is sent by rail pressure sensor And set point rail pressure by | 
More topics for Doosan,please refer to:Doosan Trouble Repair
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