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Troubleshooting
TROUBLESHOOTING GUIDE
PROBLEM CAUSE CORRECTION
Engine won’t crank. 1. Control panel 7.5 amp fuse blown. 1. Replace fuse.*
2. Loose or corroded or defective 2. Tighten, clean or replace
battery cables. battery cables as necessary.*
3. Defective starter contactor. 3. Replace contactor.*
4. Defective starter motor. 4. Replace starter motor.*
5. Dead or Defective Battery. 5. Remove, change or replace battery.*
Engine cranks but won't start. 1. Out of fuel. 1. Replenish fuel/turn on fuel valve.
2. Fuel solenoid (FS) is defective 2. Replace solenoid.*
3. Spark plugs defective. 3. Clean, regap or replace plugs.
Engine starts hard, runs rough. 1. Air cleaner plugged or damaged. 1. Clean or replace as needed.
2. Defective spark plugs. 2. Clean, regap or replace plugs.
3. Fuel pressure incorrect. 3. Confirm fuel pressure to regulator is as
recommended in SPECIFICATIONS.*
4. Insufficient fuel supply. 4. Confirm fuel pressure to regualtor is as
recommended in SPECIFICATIONS.*
5. Fuel system set to wrong fuel type. 5. Reconfigure the fuel system. (See
RECONFIGURING THE FUEL SYSTEM in
manual.*
Engine starts then shuts down. 1. Engine oil level is low. 1. Check oil and add oil as needed.
2. Engine is overheated. 2. Check cooling system for leaks.
3. Defective Low Oil Pressure Switch 3. Replace switch.*
4. Defective Coolant Temperature Switch 4. Replace switch.*
5. Defective Control Module circuit board. 5. Replace board.*
6. Coolant Level is Low. 6. Repair leak - Add coolant.
7. Defective Low Coolant Level Switch 7. Replace Switch.*
AUTO/OFF/MANUAL Switch at OFF, 1. Defective AUTO/OFF/MANUAL switch 1. Replace board.*
engine continues to run. 2. Defective Control Module circuit board 2. Replace board.*
No AC output from generator. 1. Main line circuit breaker is tripped/open. 1. Reset to ON/CLOSED.
2. Generator internal failure. 2. *
3. Thermal circuit breaker open. 3. Auto-reset - Wait 5 min. and attempt restart.
*Contact the nearest Dealer for assistance.
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Trblsht003 Rev. B 05/10