Doosan P260/HP220WYM, Operation & Maintenance Manual

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Operating & Maintenance Manual Troubleshooting
60 Book: 46553446 (3-15-2010) Rev A
Table 16: Generator Switch on SECU CODE H (Electronic Engine Models Only)
Table 17: Machine Will Not Shutdown
Table 18: Excessive Vibration
Table 19: Low CFM
Table 20: Excessive Oil In Air
Cause Corrective Action
Machine will not start Switch generator to the air only position.
Generator switch malfunction Check harness connections. Replace switch.
SECU controller malfunction Check harness connections. Replace SECU
controller.
Cause Corrective Action
Ignition switch malfunction Check harness connections. Replace switch.
Fuel solenoid malfunction Check harness connections. Replace fuel solenoid.
Engine ECM malfunction Consult dealer.
Cause Corrective Action
Dirty Fuel/Filters Replace filters/fuel.
Engine idle speed too low. Raise “No Load” speed.
Rubber Mounts, Loose or Damaged Tighten or replace.
Anti-rumble valve not working. Repair or Replace.
Drive Coupling Defective Replace coupling.
Defective Fan Replace fan.
Engine Malfunctioning Consult Dealer.
Airend Malfunctioning Consult Dealer
Cause Corrective Action
Engine RPM too Low Adjust RPM
Malfunctioning Inlet Unloader Inspect valve.
Dirty Air Filter Clean or replace elements.
Incorrect Pressure Regulator Adjustment Adjust linkage.
Malfunctioning Pressure Regulator Replace regulator.
Wrong Air Filter Element Install correct element.
Defective Separator Element Install new element.
Defective Minimum Pressure Valve (option) Repair or replace valve.
Air Leak Find and repair leak
Orifice Blocked Check and clean orifice
Cause Corrective Action
High Oil Level Read procedure in this manual.
Clogged Scavenge Orifice Remove scavenge orifice. Clean and Replace.
Incorrect Oil Replace by spec. in this manual.
Defective Scavenge Check Valve (option) Remove check valve. Replace with new valve.
Out of Level > 15 degrees Relocate or reposition unit.