5 - 12 Genie GS-2046 & Genie GS-2646 & Genie GS-3246 Part No. 48339Service Manual - First EditionSection 5 - Troubleshooting Flow ChartsChart 2Pump MotorWill NotOperate-before serialnumber 6901Be sure the circuitbreaker and fuse arenot tripped or blown.Be sure the batteriesare properly connected.Be sure the batteriesare fully charged.Activate lift function fromthe ground controls andcheck voltage at positiveterminal on pump motor.24V ormoreCheck continuity onground cable from pumpmotor to M- terminal onmotor controller.nocontinuitycontinuityReplace ground cableon lift pump motor.less than 24VContinued on the nextpage.Activate lift function andcheck voltage atterminal 1 on motorcontroller.24VReplace negative cablefrom B- terminal onmotor controller to theAnderson plug.Check continuity from B-terminal on motorcontroller to the negativebattery cable at theAnderson plug (AP1).continuitynocontinuityRepair open in whitewire (26H) from themotor controller relaycoil (K1) to the motorcontroller.Activate the lift functionand check voltage atterminal 3 on the motorcontroller.Repair open in whitewire (A9-curtis terminal3) from ECM to themotor controller ORreplace the ECM ORconsult Genie IndustriesService Department.0V5VReplace pump motorOR consult GenieIndustries ServiceDepartment.Check voltage on B+terminal on motorcontroller.lessthan24VReplace positive batterycable from pump to B+terminal on motorcontroller.24VActivate the lift functionand check voltage at M-terminal on the motorcontroller.24V0VReplace the motorcontroller or contactGenie Industries ServiceDepartment.lessthan24V