51
1.
Discharged batteries
2.
Poor connection/broken wires
3.
Main switch turned off
4.
Fuse on the wiring box blown
5.
Malfuntioning start lock
6.
Malfunctioning main relay
7.
Malfunctioning starter motor
relay
8.
Malfunctioning starter motor/
solenoid
9.
Out of fuel:
- fuel valves closed
- fuel tank empty/wrong tank
connected
10. Blocked fuel filter/pre-filter
(because of contamination or
paraffin condensation in the
fuel at low temperatures)
Troubleshooting
Symptoms and possible causes
Diagnostic button’s indicator is blinking
See the chapter ”Diagnostic function”.
The engine can not be stopped
2, 5
The starter motor does not turn over
1, 2, 3, 4, 5, 6, 7, 8, 25
The starter motor turns slowly
1, 2
The starter motor turns normally but the engine does not start
9, 10, 11, 12,13
The engine starts but stops again
9, 10, 11, 12, 14
The engine does not reach the correct
operational RPM with full throttle
10, 11, 12, 13, 14, 15, 22, 26, 27, 28
The engine does not run smoothly
11, 12, 13
Poor fuel economy
13, 14, 16, 26
Black exhaust smoke
13, 14
Blue or white exhaust smoke
15, 16, 23
Insufficient lubricating oil pressure
17
Excessive coolant temperature
18, 19, 20, 21
Insufficient coolant temperature
21
Absent or poor charging
2, 24
A number of symptoms and possible causes for engine problems are described in the table below. Always contact
your Volvo Penta dealer if problems occur that you are not able to solve on your own.
WARNING!
Read through the safety instructions for maintenance and service work in the chapter ”Safety in-
formation” before starting to work.
11. Air in the fuel system
12. Water/contamination in the
fuel
13. Malfunctioning injector
(injectors)
14. Insufficient air to the engine:
- blocked air filter
- air leakage between the
turbo and the engine intake
plenum
- contaminated compressor
section in the turbocharger
- malfunctioning turbocharger
- poor engine compartment
ventilation
15. Excessive coolant tempera-
ture
16. Insufficient coolant tempera-
ture
17. Insufficient lubrication oil level
18. Low coolant level
19. Air in the fresh water coolant
system
20.
Malfunctioning circulation
pump
21.
Defective thermostat
22.
Blocked intercooler
23.
Excessive lubricating oil level
24.
Generator drive belt slippage
25.
Water inside the engine
26.
High backpressure in the
exhaust system
27. High oil temperature
28. High charge-air temperature
Summary of Contents for TAD1240GE
Page 1: ...Generating set and industrial engines 12 liter EDC III OPERATOR SMANUAL ...
Page 69: ...Notes ...
Page 70: ...Notes ...
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Page 76: ...7745138 English 12 2005 ...