Troubleshooting
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12Troubleshooting
12.1General
Thetroubleshootingsectionisusedtotraceerrorsinthemachinetoadefectivecomponentorunit.
ThereisamemoryintheCPUthatwillsavetheselectedprogramfor10minutesinthecase
ofpowerfailure.
Themachinewillrestartinpausemodeifthepoweristurnedonagainwithinthistime.Forvery
shortpowerfailure(lessthan10seconds)themachinewillrestartautomatically.
Safetyregulations
Troubleshootingmayonlybecarriedoutbyauthorisedpersonnel.
Takecareduringallworkonthemachinewhilethepowerison.
Takecarewhenmeasuringthemotorcontrolsystemsinceallcomponentshaveapotentialdifferenceof
approximately300Vinrelationtoprotectiveearthandneutral.Thecomponentswillcontaindangerous
voltageswhenthegreenLEDonthemotorcontrolboardison.Themotorcontrolsystemwillremainlivefor
30-60secondsaftercuttingthepowertothemachineandthemotorhasstoppedrunning.
Measurements
Forinformationonmeasuringpoints,componentsandvoltages,pleaserefertotheelectric
schematicsuppliedwiththemachine.
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