Doosan NHP10-425WCU-EU-FX-T3, Operation And Maintenance Manual

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Operating & Maintenance Manual Electrical
72
FAULT FINDING
Problem Correction
Control Panel Power Switch On, Intellisys Controller
Does Not Come On Make sure battery disconnect switch is ON
Check Fuse F4
Check Seating of P3 Connector at SGP
Battery Voltage too Low
Check Control Panel ON / OFF Switch
Check Wiring from BAT to SGP
Intellisys Controller ON But Start Button does not Work Defective Membrane Panel Switch
The Machine will not load when the Load Button is
Pressed Defective Membrane Panel Switch
24 VDC Signal not being Supplied to Inlet Valve
Solenoid
The Machine will not unload when the Unload Button is
Pressed Defective Membrane Panel Switch
24 VDC Signal not being removed from Inlet Valve
Solenoid
Engine Speed will not increase when Load Button is
Pressed Defective Switch on Membrane Panel
Intellisys Controller J1939 Throttle Command to Engine
not working or
Intellisys Controller Frequency Throttle Signal not
working
Engine Idle Speed is less than 1200 RPM Intellisys Controller Frequency Throttle
Intellisys Controller J1939 Throttle Command Engine
Fueling
Engine Cranks but will not start after Multiple Crank
Cycles Ensure the Engine Keyswitch Signal is 24 VDC
If Low Ambient, may need Ether Assisted Start Estop
Button(s) Pressed
Machine Shuts Down on Sensor Fault Perform Transducer Calibration
Replace Suspect Transducer