Reasons for Generator Set Failure to Start and Troubleshooting Methods
The generator set may fail to start due to the following conditions:
Improper generator set startup procedure
Solution: Start according to the specified procedure
Thin or low battery electrolyte level
Solution: Replace the battery or attempt restarting
Improper battery installation
Solution: Connect battery according to specifications
Battery cables faulty, corroded, or loose
Solution: Tighten all loose connections; thoroughly clean corroded terminals
Control cables faulty or loose
Solution: Inspect control cables; repair or secure
Engine start relay malfunction
Solution: Replace the starter relay
Diesel generator start/stop switch failure
Solution: Replace the start/stop switch
Diesel generator starter motor auxiliary relay failure
Solution: Replace the starter motor auxiliary relay
Starter motor failure
Solution: Replace the starter motor