Nilfisk-Advance CS7000 Fuel Cell EcoFlex, Service Manual

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Engine System, Diesel 240 Service Manual – CS7000
Troubleshooting
No crank – The starter does not engage
Possible causes Check
36v Battery Pack drained Battery pack voltage
Engine Battery Load test battery
Starter Check power to starter solenoid
Battery Cable Check voltage drop from battery positive to starter battery terminal.
Engine Ground Check voltage drop from starter case to battery negative.
No voltage to the starter solenoid
• Auxiliary Relay
• Key Switch
• Main Machine controller
Check for tripped circuit breaker #9 (CB9)
Check for power to the main machine controller from the Auxiliary Relay
Check for power to the main machine controller from Key Switch
cranking circuit
Check powers, grounds, inputs and crank request output
Cranks but does not start
Possible causes:
• No fuel
– Empty Tank
– Insufficient fuel supply
◦ Clogged Filter
◦ Clogged line
◦ Fuel pump
• Contaminated fuel
• APECS governor controller
• Engine RPM Sensor
• Actuator
• Incorrect injection timing
• Injection pump
• Mechanical engine
– Insufficient compression
– Fuel camshaft worn
• Plugged Intake
• Plugged Exhaust