00 - 0AH

Possible Causes

• •Broken or loose wires
• •Control plugs not fully seated
• •Load breaker open
• •Improper output lead connection
• •Sensor leads not fully seated in connector to control
• •Improper output lead configuration
• •Sense leads not fully seated in connector to control
• •Incorrect genset output voltage
• •Incorrect voltage at line side of genset breaker
• •Incorrect voltage at load side of genset breaker
• •Damaged sense leads or sense leads not fully seated in connector to voltage regulator
• •Voltage regulator plugs not fully seated
• •Raw water strainer restriction
• •Cracked or leaking hoses
• •Loose hose clamps
• •Faulty raw water pump impeller
• •Faulty exhaust temperature switch
• •Faulty heat exchanger
• •Incorrect load at genset breaker
• •Incorrect output lead configuration

Suggested Actions

1. 1Check load breaker closed
2. 2Check for broken or loose wires
3. 3Check control plugs fully seated
4. 4Evaluate fault codes
5. 5Check proper output lead connection
6. 6Check genset output voltage
7. 7Check voltage at line side of genset breaker
8. 8Check voltage at load side of genset breaker
9. 9Check sensor leads fully seated in connector to control
10. 10Check load at genset breaker
11. 11Check output lead configuration
12. 12Check sense leads fully seated in connector to control
13. 13Check sense leads condition and ensure they are fully seated in connector to voltage regulator
14. 14Check that voltage regulator plugs are fully seated
15. 15Check raw water strainer
16. 16Check for cracked or leaking hoses
17. 17Check for loose hose clamps
18. 18Check raw water pump impeller
19. 19Check exhaust temperature switch
20. 20Check heat exchanger

Related Onan Fault Codes