TP-5986 4/03
21
Section 6 Controller Troubleshooting
6.2.5
Troubleshooting
Use the following flowchart as an aid in troubleshooting
the main circuit board and the entire generator set. If the
prescribed remedy does not correct the problem, the
circuit board may have to be replaced. Use this chart for
component testing only. Always check the continuity of
the wires between components.
Is 10-amp controller
fuse functional?
Replace the fuse.
Press the start switch
(local or remote).
Does the engine crank?
Yes
No
Does the K2 relay LED
light while cranking?
Yes
No
Is the K3 relay LED lit?
Yes
No
Yes
No
Is there continuity between
N and 47 while pressing
the start/stop switch?
The K2 relay is
faulty. Replace
the circuit board.
Is voltage present
at the starter relay?
Yes
Is voltage present at
the starter?
No
Yes
Replace the starter
relay.
Replace or
repair the
starter motor.
Go to A
(next page).
Replace the
K20 relay.
Is voltage present at the K20 relay coil
(P1-4 connector)?
Yes
No
No
No
Replace the circuit
board.
Check the battery
condition and
connections.
The K2 relay is
faulty. Replace
the circuit board.
Is there 12 volts
at P1--14?
Replace or repair
the wiring harness.
Yes
Yes
No
Replace or repair
the wiring harness.
Figure 6-3
Troubleshooting Relay Controller Circuit Board (1 of 4)
Содержание 4EF
Страница 1: ...Marine Generator Sets Models 5E 4EF 7 3E 6EF TP 5986 4 03b Service ...
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Страница 10: ...VI Safety Precautions and Instructions TP 5986 4 03 Notes ...
Страница 14: ...TP 5986 4 03 iv Introduction Notes ...
Страница 18: ...TP 5986 4 03 4 Section 1 Specifications Notes ...
Страница 20: ...TP 5986 4 03 6 Section 2 Scheduled Maintenance Notes ...
Страница 22: ...TP 5986 4 03 8 Section 3 Intake and Exhaust System Notes ...
Страница 26: ...TP 5986 4 03 12 Section 4 Fuel System Notes ...
Страница 46: ...TP 5986 4 03 32 Section 7 Generator Troubleshooting Notes ...
Страница 54: ...TP 5986 4 03 40 Section 9 Generator Disassembly Reassembly Notes ...
Страница 56: ...TP 5986 4 03 42 Section 10 Wiring Diagrams and Voltage Reconnection 10 1 Schematic Wiring Diagram 359343 J ...
Страница 60: ...TP 5986 4 03 46 Section 10 Wiring Diagrams and Voltage Reconnection Notes ...
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