10 Fault messages10.3 Fault listDE1 variable speed starter 09/14 MN040011EN www.eaton.com 1676 x 05 PS-trF Power section fault • Fault message from the power section's output.￫ Check the connection to the motor (short-circuit, earthfault).￫ Disconnect the cable from terminals U, V, W.￫ If the fault message cannot be reset, please contactyour closest Eaton office.7 x 0C SC-trF Communication fault ￫ Check the connection between the RJ45 interface andexternal devices.￫ Make sure that every device on the network has aunique address.8 x 0A P-dEf Default parameter settings • The parameter's default setting has been loaded.￫ Press the STOP button on the external keypad.9 x – FLt-dc DC residual ripple • The DC link voltage's residual ripple is too high.￫ Check whether all three mains voltage phases arepresent and whether the voltage difference between themains phases is smaller than 3%.￫ Reduce the motor load.￫ If the fault message cannot be reset, please contactyour closest Eaton office.10 x 12 4-20F Live zero error • The current signal at analog input AI1 has fallen below3 mA.￫ Check the current source and the wiring to controlterminals 4 and 0 V.11 x 09 V-t Under-temperature • The ambient temperature is lower than -10 °C (frost).￫ Raise the ambient temperature to a temperature above-10 °C.12 x 10 th-FLt Thermistor fault • Faulty thermistor on internal heat sink.￫ Please contact your closest Eaton representative.13 x 11 dAtA-F Data error • The modified parameters were not saved (flash memory) andthe default settings have been loaded instead.￫ If the problem occurs again, please contact your closestEaton representative.1) 2 Hz "Fault Code" LED flashing frequency with 2-second pause2) Optional external keypadFault CodeLED(2 Hz + 2s)1)ModbusRTU[hex]DisplayDX-KEY-LED) 2)Designation Possible cause/fixes
