Skyjack SJ30AJE - Page 174

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SJ30AJE, SJ30ARJE196274AF
Section 5 – Procedures Base
Flash
Code
DisplayedonMDI ProbabableCause Remedy
0XA76 MCCOILSHOR.
ChecktheLineContactorandelectric
brakecoil
Thiscodeisdisplayedwhenthecoilofthelinecontactoror
electricbrakecoilisshortedorthewiringtothecoilis
shorted.Checkcoilandwiring.Iferrorcoderemainsitisan
internalfaultinthecontroller.ReplaceACE3.
0XA76 KEY‐OFFSHORTED Keyoffsignalislowwhenkeyison
1.Checkbatteryvoltage
2.Checkauxequipmentisnotpullingkeyvoltagelow
3.Replacecontrollerthatshowsthefault
0XA76 COILSHORTEV ShortcircuitonOn/Offvalves
1.Checkcoilsandwiringforshortcircuits
2.Replacecontroller
0XA77 LCCOILOPEN Contactorcoiltest
1.Makesurecoilwiresonlinecontactorareconnected
correctly.
Replacelinecontactor.
2.Replacecontrollerwhichshowsthefault.
0XA78 VACCNOTOK IncorrectsignalfromJoystick
Re‐programVACC
Ifconditionisstillpresentcheckjoystickinputwiring.
0XA79 INCORRECTSTART Wronginputsequence
1.MovingJoystick,beforeEnableswitchselected.Make
sureenableisselectedbeforeanymovement.
2.Joystickoutofrange.(Potentiometernotcentered)‐
CheckVACCcalibration.
0XA80 FORWARD+BACWARD
Receivesbothforwardandreverse
signalsatthesametime
Re‐programVACC
Ifconditionisstillpresentcheckwiring.
IfOKreplacecontroller
0XA80 EMERGENCY No12voltinput
tocontrollers
1.Checkfor12voltoutputatDC/DCconverter
2.CheckfuseF2
3.Checkfor12voltsatRM3andLM3.
0XA82 ENCODERERROR Motorfeedbacksensorfault
Cause:
Thisfaultissignaledinfollowingconditions:thefrequency
suppliedtothemotorishigherthan40Hzandthesignal
feedbackfromtheencoderhasajumphigherthan40Hz
infewtensmSec.Thisconditionisrelatedtoa
malfunctioningoftheencoder.
Troubleshooting:
‐Checkboththeelectricandthemechanicalencoder
functionality,thewiresconnections.
‐Checktheencodermechanicalinstallation,iftheencoder
slipsinsideitscompartmentraisingthisalarmcondition.
‐Alsotheelectromagneticnoiseonthesensorbearingcan
beacauseforthealarm.Inthesecasestrytoreplacethe
encoder.
‐Iftheproblemisstillpresentafterreplacingtheencoder,
thefailureisinthecontroller.Replacecontroller.
0XA89 POWERMOSSHORTED InternalControllercheck
1.Cyclekeyswitch
2.Factoryreset(ClearEeprom)
3.Replacecontroller.
ZAPI MDI-CAN Controller Master Codes (continued)