Electrolux T5675 - Page 148

148
Troubleshooting
22:6OVERHEATINTERNAL
TheMotorControlUnitindicateserrorE.OHI.
Internaloverheatinginfrequencycontroller.Canonlyberesetwheninternaltemperaturehas
droppedby3°C.
ThisisindicatedbymessageE.nOHI.Seealsoerrorcode22:7.
Internalmessage6.
Recommendedactions:
1.Switchoffthemainpowertomachinefor30minutes.
2.Restartthemachine.
22:7NOOVERHEATINTERNAL
TheMotorControlUnitindicateserrorE.nOHI.
ErrorOVERHEATINTERNALisreset.Seealsoerrorcode22:6.
Internalmessage7.
Recommendedactions:
1.Switchoffthemainpowertomachinefor5minutes.
2.Restartthemachine.
22:8OVERHEATPOWERMODULE
TheMotorControlUnitindicateserrorE.OH.
Toohightemperatureonpowermoduleheatsink.
Errorcanonlyberesetwhentemperatureisnormalagain.ThisisindicatedbymessageE.nOH.
Seealsoerrorcode22:36.
Internalmessage8.
Recommendedactions:
1.Checkthatcoolingfanisworkingandthatfangridisnotclogged..
2.Checkthatheatsinkisnotsoiled.
3.Veryhighambienttemperature.
4.Switchoffthemainpowertomachinefor30minutes.
5.Restartthemachine.
22:9DRIVEOVERHEAT
TheMotorControlUnitindicateserrorE.dOH.
Motortemperaturetoohigh.Canonlyberesetwhenmotortemperaturehasdropped(E.ndOH,
ResistanceatterminalsT1/T2>1650Ω)ThisisindicatedbymessageE.ndOH.Seealsoerror
code22:11)
Internalmessage9.
Recommendedactions:
1.Switchoffthemainpowerfor30minutesuntilmotorhascooleddown.
2.Restartthemachine.Ifproblempersists,checkmotorwindingsetc.