Fault handling
Fault Tracing
A number of symptoms and possible causes for engine disturbances are described in the table below. For
generator specific troubleshooting, refer to generator documentation. If faults or hitches arise that you cannot
solve alone, you must always get in touch with your Volvo Penta dealer.
Symptoms and possible causes
Starter motor does not rotate when cranking
1,2,3,4,5
Starter motor rotates slowly when cranking
1,2,3,21,45,46
Engine does not start
7,8,9,10,11,12,13,14,19,20,22,23,25,47,54
Engine is difficult to start
7,8,9,10,11,12,13,14,19,20,22,23,25,47,48
Engine starts but stops again
7,8,9,10,11,12,13,14,19,20,22,23,25,47 48,49
Engine does not reach full operating speed at full throttle 7,8,9,10,11,12,13,14,17,18,19,20,21,
22,23,24,25,30,33,54
Engine runs unevenly
7,8,9,10,11,12,13,14,15,16,22,23,25,26 48,54
Engine knocks
20,26,49
Engine vibrates
8,16,22,30,31,34
Engine can not be stopped
2,3,4,5,50
High fuel consumption
12,14,16,18,19,20,25,27,30
Black or Dark gray exhaust smoke
12,14,16,17,18,19,20,25,27
Blue or white exhaust smoke
16,18,19,20,21,27,30,40,41,48,54
High lubrication oil consumption
21,29,30,31,41
Lubrication oil pressure too low
21,28,32,42,43
Coolant temperature too high
33,35,36,37,38,39,40,51
Coolant temperature too low
40
No charge or poor charge
2,3,44,52,53
1. Defective starter
2. Flat batteries
3. Poor contact/broken cables
4. Main switch turned off
5. A fuse/circuit breaker has blown/tripped
6. Lack of fuel
7. Blocked fuel filter
8. Defective fuel filter
9. Blocked fuel pipes
10. Defective fuel pipes
11. Blocked fuel supply pump
12. Defective fuel supply pump
13. Blocked fuel injection pump
14. Defective fuel injection pump
15. Blocked fuel injectors
16. Defective fuel injectors
17. Incorrect valve clearance
18. Incorrect fuel injection timing
19. Low compression pressure
28
47713337 03-2021 © AB VOLVO PENTA
