Troubleshooting
99
22:11NODRIVEOVERHEAT
TheMotorControlUnitindicateserrorE.ndOH.
ErrorMOTOROVERHEATisreset.Seealsoerrorcode22:9.
Internalmessage11.
Recommendedactions:
1.Switchoffthemainpowertomachinefor5minutes.
2.Restartthemachine.
22:12POWERUNIT
TheMotorControlUnitindicateserrorE.Pu.
Generalpowercircuitfault.
Internalmessage12.
Recommendedactions:
1.Switchoffthemainpowertomachinefor5minutes.
2.Restartthemachine.
22:13POWERUNITNOTREADY
TheMotorControlUnitindicatesmessagenO_PU.
Powercircuitnotreadyoridentiedbycontroller.
Internalmessage13.
Recommendedactions:
1.Wait2minutesandtrytostartagain.
2.Switchoffthemainpowertomachinefor5minutes.
3.Restartthemachine.
22:14POWERUNITINVALID
TheMotorControlUnitindicateserrorE.PUIN.
Powerunitinvalid.Softwareversioninpowermoduleandcontrolboarddoesnotmatch.
Internalmessage14.
22:15LOADSHUNTFAULT
TheMotorControlUnitindicateserrorE.LSF.
Load-shuntrelayisnotready.Appearsforashorttimeduringswitch-on.
Internalmessage15.
Ifmessageremains,checkfollowing:
1.Wronginputvoltageortoolow.
2.Brakingresistordefectiveorwronglyconnected.
3.Hardwarefaultincontroller.
4.Switchoffthemainpowertomachinefor5minutes.
5.Restartthemachine.