Part No. 39528 Genie GS-1530 & Genie GS-1930 5 - 3Service Manual - First Edition Section 5 - Troubleshooting Flow ChartsFault Code Chart(Before Serial Number 17408)NotesContinued on next pageFault Code Problem Possible Causes Solution00 Reset the ECM. If problemremains, replace the ECM.18Alarm sounds continuously.Error indicator light on at theplatform controls when functionenable switch is engaged.Machine will not drive. Machineis not level.Pothole guard may be blockedor pothole limit switches maynot be activating or there is abad wire connection.Remove obstruction to potholeguard OR check pothole limitswitch wiring for openconnections OR check potholelimit switch for properadjustment and activation.19Alarm sounds continuously.Error indicator light on at theplatform controls when functionenable switch is engaged.Machine will not drive. Machineis level.Pothole guard may be blockedor pothole limit switches maynot be activating or there is abad wire connection.Remove obstruction to potholeguard OR check pothole limitswitch wiring for openconnections OR check potholelimit switch for properadjustment and activation.33 Machine will not operate. Errorindicator light on at the platformcontrols.Joystick initialization OK butfunction enable switch is tieddown.Release the function enableswitch OR check the switch forcontinuity in the joystickcontroller box (see RepairSection).34 Machine unit will not operate.Error indicator light on at theplatform controls.ECM does not recognize theplatform controls.Replace joystick controller boxmain circuit board OR replacethe coil cord.35 Machine unit will not operate.Error indicator light on at theplatform controls.ECM does not recognize theplatform controls.Replace joystick controller boxmain circuit board.51Only the platform downfunction operates no otherfunctions operate. Errorindicator light on at the platformcontrols when the functionenable switch is engaged.No power output from ECM tothe motor contactor.Check wiring and terminal atmotor contactor ckt A9-Curtisterminal 3 OR check wiring andterminal at control ECM pin A9,ckt A9-Curtis terminal 3.