Kohler 5EOZ Manual page 41

A
No
Is the 10-amp fuse okay?
Yes
Is the K25 relay functioning
correctly?
No Yes
Replace
the K25
relay.
S Check the P1--8 connection.
S Check the P4--14 connection.
S Replace the circuit board
(the K2 relay is inoperative).
Figure 6-5 Troubleshooting Relay Controller Circuit Board (2 of 4)
TP-6053 7/04
Does the engine start?
No
Is 12 volts DC
present at the
fuel solenoid?
(check wiring)?
No
Yes
Replace
the fuse.
Do the local and remote
start/stop switches
function correctly?
No
Replace the inoperative
start/stop switch.
Yes
Yes
Is the K4 relay LED lit?
Engine fault: check the fuel
supply, fuel feed pump, fuel
Yes
injection pump, etc.
Replace the circuit board
(inoperative K4 relay).
Section 6 Controller Troubleshooting
Go to B
(next page).
No
29