5 - 28 Genie S-60 & Genie S-65 Part No. 65196Third Edition • First PrintingSection 5 • Troubleshooting Flow ChartsChart 14Boom UpFunctionInoperativeBe sure all otherfunctions operatenormally.With key switch turnedto ground controls andboth Emergency Stopbuttons pulled out to theON position, hold thefunction enable switch toeither side and move theboom up/down toggleswitch TS16 in the UPdirection. Check voltageon red/wht wire on boomup/down proportionalvalve coil (item P).0V20V or moreHold the function enableswitch to either side andmove the boom up/downtoggle switch in the UPdirection and checkvoltage at TB3.8 to 9VRepair open in red/wht-4wire circuit from TB3 toboom up/downproportional valve coilOR repair open in brnground wire circuit tovalve coil.0VWith the key switchturned to platformcontrols and bothEmergency Stop buttonspulled out to the ONposition, press down thefoot switch and movethe boom controller inthe UP direction. Checkvoltage at TP3.Continued on the nextpage.8 to 9V Repair open in red/wht-3wire from TP3 to TB3.0VPress down the footswitch and checkvoltage at terminal "+"on boom controller.12V or more0V Repair open in powersupply circuit from TP24to boom controller ORrepair open in brnground wire circuit fromboom controller toground.Re-adjust controller (seeRepair Section) ORreplace controller ORconsult Genie IndustriesService Department.