Electrolux T5675 - Drum Motor Keb

Troubleshooting
147
15.3.4DRUMMOTORKEB
22:1OVERVOLTAGE
TheMotorControlUnitindicateserrorE.OP .
VoltageinDC-linktoohigh.
Internalmessage1.
Recommendedactions:
1.Verifyinputvoltagesupplytomachine(allphases).
2.Checkthatinputchokeisconnected.
3.Checkifbrakingresistorisdefective.
4.Switchoffthemainpowerfor2minutes.
5.Restartthemachine.
22:2UNDERVOLTAGE
TheMotorControlUnitindicateserrorE.UP .
VoltageinDC-linktoolow.
Internalmessage2.
Recommendedactions:
1.Verifyinputvoltagesupplytomachine(allphases).
2.Switchoffthemainpowerfor2minutes.
3.Restartthemachine.
22:3PHASEFAILURE
TheMotorControlUnitindicateserrorE.UPh.
Onephaseofinputvoltagemissing.(Rippledetected).
Internalmessage3.
Recommendedactions:
1.Checkpowersupply.
2.Checkforblownfuses.
22:4OVERCURRENT
TheMotorControlUnitindicateserrorE.OC.
Peakcurrenttoohigh.
Internalmessage4.
Recommendedactions:
1.Verifythattheloadinthemachinedoesnotexceedmaximumload.
2.Verifythattheloadinthemachinehavedistributedcorrectlybeforespin.
3.CheckFCforshort-circuitatoutputtransistors.
4.Checkmotorincludingcableforshort-circuit.
5.Switchoffthemainpowertomachinefor5minutes.
6.Restartthemachine.