Electrolux T5675 - Page 155

Troubleshooting
155
22:89OVERHEATPOWERMODULE
Warning:TheMotorControlUnitindicatesA.OH.
Overtemperatureofpowermoduleheatsink.Seealsoerrorcode22:88.
Internalmessage89.
Recommendedactions:
1.Switchoffthemainpowertomachinefor30minutes.
2.Restartthemachine.
22:90EXTERNALFAULT
Warning:TheMotorControlUnitindicatesA.EF .
Externalfault.Thiswarningcanbetriggeredifadigitalinputisprogrammedasexternalerror
input,andtrips.Notusedinthisapplication.
Internalmessage90.
22:91NODRIVEOVERHEAT
Warning:TheMotorControlUnitindicatesA.ndOH.
WarningDrivemotoroverheatisreset.Seealsoerrorcode22:96.
Internalmessage91.
Recommendedactions:
1.Restartthemachine.
22:92NOOVERHEATINT.
Warning:TheMotorControlUnitindicatesA.nOHI.
Overheatinternalisreset.Seealsoerrorcode22:87.
Internalmessage92.
Recommendedactions:
1.Restartthemachine.
22:93BUS
Warning:TheMotorControlUnitindicatesA.buS.
Timeoutofmonitoringtimeofcommunicationbetweenbusoperatorandinverter(Watchdog).
Internalmessage93.
Recommendedactions:
1.Switchoffthemainpowertomachinefor5minutes.
2.Restartthemachine.
22:94PROTECT .ROT .FORWARD
TheMotorControlUnitindicateserrorA.PrF .
Forward(right)limitswitchisactivated.Notusedinthisapplication.
Internalmessage94.