Kohler SFGLD480 Operation & Maintenance Manual page 306

SYMPTOM
Emergency stop
(1)
Rich burn engines
(2)
Island-mode generation or compressor applications
PRODUCT INFORMATION
IO-G-T-00-001e
GAS ENGINES TROUBLESHOOTING
PROBABLE CAUSE
Engine alarm:
1. Oil pressure
2. Water temperature
3. Control program alarm
4. Overspeed
5. Knock detection system
6. Mixture temp. in intake manifold
7. Running instability
(1)
8. Exhaust temperature
9. Emergency stop button depressed
Faulty ignition system
1. Spark plug failure
2. Ignition module failure
3. High-voltage wires or coils failure
4. Power supply failure
5. Pickup fault
(2)
Excessive load swing
Seized piston
Bearing rotation
INDEX
B
REMEDY
Note: Check sensors to see if problem is due
to measurement failure
1. Check lubricating system and reset
2. Check coolant system and reset
3. Check control system and reset
4. Check equipment and reset
5. Check cylinders
6. Check coolant system and reset
7. Check carburetion, spark plugs, high-
voltage wires, coils, control system, fuel
system, piston compression, valves
adjusting
8. Check control system, lambda sensor and
carburetion
9. Check equipment and release
1. Change or regap spark plugs
2. Change ignition module
3. Check wires and coils
4. Check wiring, batteries or charger
5. Change faulty pickups
Reset and restart.
Change piston, rings and liner, as appropriate
Change bearings and check crankshaft
6.1.3
DATE
Dep. 2
February 2016
O&M_2.002211.810_A_10_2016
3/10