Kohler 8.5RMY Service Manual page 42

A
Engine wiring harness
defective? Check
continuity of harness
leads
Replace
circuit
board
Figure 5-2 Troubleshooting the Relay Controller Circuit Board (2 of 3)
32 Section 5 Generator/Relay Controller Troubleshooting
Check for 12 volts DC
at fuel valve
No voltage
Fault shutdown relay
LED lit?
No
Yes
No
Yes
Replace
wiring
harness
Engine starts
No
Engine safety shutdown has
occurred: low oil pressure,
overspeed, overcrank
Check oil pressure. Check for
overspeed (governor, voltage
regulator) and overcrank conditions.
Go
Yes
to B
Voltage present
Engine fault
(check fuel
supply, spark
plug, ignition
coil, etc.)
TP-5867 11/02