Doosan P185WJD-D75, Руководство по эксплуатации и техническому обслуживанию

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Operating & Maintenance Manual Troubleshooting
56 Book: 46490694 (03-2010) Rev A
Table 7: High Engine Coolant Temperature Shutdown SECU CODE 4
Table 8: Low Engine Oil Pressure Shutdown SECU CODE 5
Table 9: Regulation Pressure Sensor Fault Shutdown SECU CODE 6
(Electronic Engine Models Only)
Table 10: Low Engine Speed Shutdown SECU CODE 7
Cause Corrective Action
Dirty cooler Clean cooler.
Dirty operating conditions Relocate machine to cleaner environment.
Machine out of level>15 degrees Relocate or level machine.
Ambient temperature>120°F (49°C) Above spec. limit.
Recirculation of cooling air Close side doors. Relocate machine to ensure cool intake
air.
Operating pressure too high Reduce pressure setting to within spec.
Loose or broken belts Tighten belts. Replace belt set.
Engine thermostat malfunction Replace thermostat.
Engine malfunction Consult dealer.
Engine coolant temperature switch
malfunction Check harness connections. Replace switch.
SECU controller malfunction Check harness connections. Replace SECU controller.
Cause Corrective Action
Engine oil level low Add engine oil.
Clogged engine oil filter element Replace element.
Machine out of level>15 degrees Relocate or level machine.
Wrong engine lube oil Check engine oil spec. in this manual.
Engine oil pressure switch malfunction Check harness connections. Replace switch.
SECU controller malfunction Check harness connections. Replace SECU controller.
Cause Corrective Action
Regulation pressure sensor malfunction Check harness connections. Replace sensor.
SECU controller malfunction Check harness connections. Replace SECU controller.
Cause: Corrective Action
Clogged fuel filter(s) Replace fuel filter(s)
Clogged engine air filter See table 12.
Operating pressure too high Reduce pressure setting to within spec.
Pressure regulator malfunction Replace regulator.
Air/Oil Separator element malfunction Replace separator element
Engine malfunction Consult dealer
Airend malfunction Consult dealer
Engine alternator malfunction Check frequency output. Check harness connections.
Replace engine alternator.
SECU controller malfunction Check harness connections. Replace SECU
controller.