Part No. 139378 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N 5 - 3June 2011 Section 5 • Fault CodesREV B Fault Code ChartFault Code ProgrammerDiagnostic Display Condition Possible Causes SolutionFault code LEDis off or is on,but not blinkingCOMMUNICATIONERROR Machine will not drive.The key switch orEmergency Stopbutton(s) was cycled onand off faster than 5seconds OR controllersensed an internal errorduring start up.Push in the groundcontrol red EmergencyStop button to the offposition and wait for 5seconds. Pull out theground control redEmergency Stop buttonto the on position. Ifproblem persists,replace the motorcontroller.01 Normal operation.12 HW FAILSAFE 1-2-3 Machine will not drive. The motor controllerfailed self test.Replace the motorcontroller.13 M- SHORTED Machine will not drive.The motor controllerhas a internal shortbetween M- and B-terminals.Test the motorcontroller. See RepairSection.FIELD OPEN Machine will not drive.Motor wiring is looseOR motor is defectiveOR motor controller hasan internal short.Check for loose or openconnections at the drivemotors and motorcontroller OR replacethe defective drivemotor OR test the motorcontroller. See RepairSection.ARM SENSOR Machine will not drive. Defective motorcontroller.Replace the motorcontroller.FLD SENSOR Machine will not drive. Defective motorcontroller.Replace the motorcontroller.
