17

Possible Causes

• •Shorted wiring
• •Intake restriction
• •Exhaust back pressure
• •Open to ground
• •Poor brush condition and contact
• •Grounded or shorted sender lead
• •Low sender resistance
• •Fuel supply issue
• •Incorrect battery voltage
• •Faulty start/stop switch (local or remote)
• •Excessive load
• •Faulty governor actuator operation
• •High exhaust back pressure
• •Faulty field windings
• •Incorrect field resistance
• •Field winding open to ground
• •Low oil level
• •Grounded sender lead
• •Shorted sender lead
• •Overload Condition

Suggested Actions

1. 1Check battery voltage
2. 2Check fuel supply
3. 3Check start/stop switch (local and remote)
4. 4Check shorted wiring
5. 5Check load
6. 6Check intake restriction
7. 7Check governor actuator operation
8. 8Check exhaust back pressure
9. 9Check field windings
10. 10Check proper field resistance reading, open to ground
11. 11Check brush condition and contact
12. 12Check oil level
13. 13Check grounded or shorted sender lead
14. 14Check sender resistance (low)
15. 15Check for shorted wiring
16. 16Check for proper field resistance reading
17. 17Check for open to ground in field windings
18. 18Check for grounded or shorted sender lead
19. 19Check sender resistance
20. 20Check engine speed (frequency)

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