Terex Genie GR-26J Service Manual

Also see for Genie GR-20J: Service manual Operator's manual

Section 5 • Fault CodesPart No. 227656GT GR™-20J • GR™-26J 5 - 5March 2022FAULT CODE CHARTError Source Error Type Condition SolutionID Name ID Name01 Controllerinterfaceboard 50 MultiselectionThe electric brake is short-circuited.Several movementsactivated simultaneously.Check the conformity of thecontrol selectors.51 Plat. doublerequiredThe controller receivesseveral commandssimultaneously from theplatform controls circuitboard.Check the wiring or change thecontroller.52 GND doublerequiredThe controller receivesseveral commandssimultaneously from theplatform controls circuitboard.Check the wiring or change thecontroller.53 Tilted Tilt triggers audiblewarning beep.Check the conformity of the tiltsensor and its connection orchange the controller.54 OverloadHBTOverload of HBT2 andHBT1 signals Overloadincoherence.Check the condition of theoverload sensors or change thecontroller.55 Overcharge Overload fault.Check the condition of theoverload sensors or change thecontroller.56 Battery low Low battery voltage.If the alarm is triggered whenthe battery is fully charged,change the controller.57 No CANsignalThe interface board hasnot received the CANsignal.Check the BUSCAN connectionbetween the modules or changethe controller.58 No alarm onthe consoleThere is a large disparitybetween the hour counterstored in the diagnosticdisplay and the hourcounter stored in thecontroller. The maximumacceptable difference is10 hours. If it is greater,this alarm will appear.After two minutes, the hourcounter of the controller willautomatically find the diagnosticdisplay.59 Temperatureof pump highThe temperature sensor ofthe pump has detected ahigh temperature.The alarm should disappear assoon as the pump motor coolsdown. If this does not happen,there is a problem with theconnection of terminal A16 orthe temperature sensor.