VLT® FCD Series Warning words, extended status words andAlarmwordsWarning words, status words and Alarm words ap-pear in the display in Hex format. If there are severalwarnings, status words or alarms, a total of all thewarnings, status words or alarms will be displayed.Warning words, status words and alarm words canalso be read out using the serial bus in parameters540, 541 and 538 respectively .Bit (Hex) Warning words000008 HPFB bus timeout000010 Standard bus timeout000040 Current limit000080 Motor thermistor000100 Motor overload000200 Inverter overload000400 Undervolt000800 Overvolt001000 Voltage warning low002000 Voltage warning high004000 Phase loss010000 Live zero error400000 Out of frequency range800000 Profibus communication fault40000000 Switch mode warning80000000 Heat sink temperature highBit (Hex) Extended status words000001 Ramping000002 AMT running000004 Start forw./reverse000008 Slow down000010 Catch-up000020 Feedback high000040 Feedback low000080 Output current high000100 Output current low000200 Output frequency high000400 Output frequency low002000 Braking008000 Out of frequency rangeBit (Hex) Alarm words000002 Triplock000004 AMT tuning fail000040 HPFP bus timeout000080 Standard bus timeout000100 Curr. short circuit000200 Switch mode fault000400 Earth fault000800 Overcurrent002000 Motor thermistor004000 Motor overload008000 Inverter overload010000 Undervolt020000 Overvolt040000 Phase loss080000 Live zero error100000 Heat sink temperature too high2000000 Profibus communication fault8000000 Inrush fault10000000 Internal faultMG.04.A1.02 - VLT is a registered Danfoss trade mark 129All about FCD 300