Crescent CS7010 - Troubleshooting; Checking Spark; No crank - The starter does not engage

196Service Manual – CS7010™ 28 - Engine System - Petrol (Gasoline)
Troubleshooting
Checking Spark
1. Remove the spark plug wire from the spark plug
and insert an adjustable KV tester in the end of
the wire.
2. Adjust the gap to approximately 20 - 30 KV and
clip the tester to a good ground on the engine.
3. Crank the engine over and check for consistent
arcing across the tester gap.
No crank - The starter does not engage
Possible causes:
• 36v battery pack drained (preventing main machine controller from powering up.)
• Engine Battery
• Starter
• Battery to starter cable
• Engine Ground
• No voltage to the starter solenoid
– Open circuit breaker CB9
– Auxiliary Relay
◦ Burned contacts or not energized
– Key Switch
– Main Machine Controller
– Woodward L Series Actuator (Not supplying ground for crank request relay)
– Crank request relay
• Wiring