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TP-6073 4/06
36
Section 6 Controller Troubleshooting
Is the fuel solenoid
functional?
Check the oil level.
Repair/ replace the oil
pump.
Does the engine have proper oil
pressure? Use a mechanical
gauge to verify pressure.
Does the K5 relay LED
light after 5--10 seconds
of running time?
Yes
Does the engine continue
to run after the start
switch is released?
Yes
No
Does the K1
relay LED light?
Can the engine be stopped
by using the stop switch?
Yes
The generator set
is functional.
No
Yes
Are the local and
remote start/stop
switches functional?
Yes
Replace the
inoperative
start/stop
switch.
Replace the
fuel solenoid.
No
No
Replace the circuit
board (inoperative
K5 relay).
Is the low oil pressure (LOP)
safety shutdown switch
functional?
No
Replace the LOP safety
shutdown switch.
Yes
No
Did the K4 relay LED light?
Replace the
circuit board
(inoperative K4
relay).
No
Are the local and
remote start/stop
switches functional?
Replace the circuit board
(inoperative K1 or K2 relay).
Yes
Replace the
inoperative
start/stop switch.
No
Did the K4 relay LED light?
Yes
No
Yes
Is the K25 relay functional?
No
No
Replace the
circuit board
(inoperative
K4 relay ).
Replace
the K25
relay.
No
Yes
Replace the circuit
board (inoperative K4
relay).
Are the temperature
safety shutdown
switches functional?
Replace the inoperative
temperature switch(es).
No
Yes
Yes
Yes
C
Go to
D
Figure 6-5
Troubleshooting the Relay Controller Circuit Board (3 of 4)
Содержание 10EOR
Страница 10: ...10 Safety Precautions and Instructions TP 6073 4 06 Notes...
Страница 12: ...TP 6073 4 06 12 Service Assistance Notes...
Страница 22: ...TP 6073 4 06 22 Section 3 Intake and Exhaust System Notes...
Страница 26: ...TP 6073 4 06 26 Section 4 Fuel System Notes...
Страница 30: ...TP 6073 4 06 30 Section 5 Cooling System Notes...
Страница 38: ...TP 6073 4 06 38 Section 6 Controller Troubleshooting Notes...
Страница 54: ...TP 6073 4 06 54 Section 8 Component Troubleshooting Notes...
Страница 60: ...TP 6073 4 06 60 Section 9 Generator Disassembly Reassembly Notes...
Страница 82: ...TP 6073 4 06 82...
Страница 83: ...TP 6073 4 06 83...