PRODUCT INFORMATION
INDEX
DATE
Dep. 2
IO-G-T-00-001e B
February 2016
GAS ENGINES TROUBLESHOOTING
3/10
SYMPTOM
PROBABLE CAUSE
REMEDY
Emergency stop
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
8. Exhaust
temperature
(1)
9. Emergency stop button depressed
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
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
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
Excessive load swing
(2)
Reset and restart.
Seized piston
Change piston, rings and liner, as appropriate
Bearing rotation
Change bearings and check crankshaft
(1)
Rich burn engines
(2)
Island-mode generation or compressor applications
6.1.3
O&M_2.002211.810_A_10_2016