5 - 70 Genie S-60 & Genie S-65 Part No. 48412Service Manual - Second EditionSection 5 - Troubleshooting Flow ChartsAll DriveFunctionsInoperative,All OtherFunctionsOperateNormallyBe sure the rpm toggleswitch is in thefootswitch activatedhigh idle position.Be sure the hydraulictank shut off valves arein the OPEN position.Be sure machine isnot in the free wheelconfiguration.Chart 30With the drive speedselector toggle switch(TS8) in the highposition, activate thefootswitch and hold thedrive joystick in the fullforward position andcheck the voltage atterminal #10 on thehorsepower limiterboard.0V9 to 12VContinued on the nextpage.With the keyswitchturned to platformcontrol and bothEmergency Stop buttonspulled out to the ONposition, activate thefootswitch and check thevoltage at terminal #2 onthe drive joystick (DP1).lessthan12V Repair open in powersupply circuit from TP24to terminal #2 on drivejoystick (DP1).12V or moreCheck continuity ofbrown ground wire fromterminal #3 on DP1 toground.continuityno continuityRepair open in brownground wire circuit fromground to DP1.With the keyswitchturned to platformcontrol and bothEmergency Stop buttonspulled out to the ONposition, activate thefootswitch and check thevoltage at terminal #1 onthe horsepower limitercircuit board.12V or morelessthan12VRepair open in powersupply circuit from TP24to terminal #1 on thehorsepower limitercircuit board.Check continuity ofbrown ground wire fromterminal #2 on thehorsepower limitercircuit board to ground.continuityno continuityRepair open in brownground wire circuit fromground to thehorsepower limitercircuit board.Replace horsepowerlimiter board.With the drive speedselector toggle switch(TS8) in the highposition, activate thefootswitch and check thevoltage at terminal #3 onthe horsepower limiterboard.7 to 8V0VWith the drive speedselector toggle switch(TS8) in the highposition, activate thefootswitch and check thevoltage on the org/blkwire on the alterator.7 to 8V0VRepair or replacealternator.Repair open in org/blkwire from alternator toTB41 to TP41 toterminal #3 onhorsepower limiterboard.800-610-4101ActionRental.com
