Num-berDescription Warning Alarm/Trip Alarm/Trip Lock Parameterreference54 AMA motor too small – X – –55 AMA parameter out of range – X – –56 AMA interrupted by user – X – –57 AMA timeout – X – –58 AMA internal fault X X – –59 Current limit X – –60 External interlock X X – –61 Feedback error (X) (X) – –62 Output frequency at maximum limit X – – –63 Mechanical brake low – (X) – –64 Voltage limit X – – –65 Control board overtemperature X X X –66 Heat sink temperature low X – – –67 Option configuration has changed – X – –68 Safe Torque Off (X) (X)1) – Parameter 5-19 Terminal 37 SafeStop69 Pwr. card temp – X X –70 Illegal FC configuration – – X –71 PTC 1 Safe Torque Off – – – –72 Dangerous failure – – – –73 Safe Torque Off auto restart (X) (X) – Parameter 5-19 Terminal 37 SafeStop74 PTC thermistor – – X –75 Illegal profile sel. – X – –76 Power unit set-up X – – –77 Reduced power mode X – – Parameter 14-59 Actual Numberof Inverter Units78 Tracking error (X) (X) – –79 Illegal PS config – X X –80 Frequency converter initialized to defaultvalue– X – –81 CSIV corrupt – X – –82 CSIV parameter error – X – –83 Illegal option combination – X –84 No safety option – X –88 Option detection – – X –89 Mechanical brake sliding X – – –90 Feedback monitor (X) (X) – –91 Analog input 54 wrong settings – – X S20292 No-flow (X) (X) – Parameter 22-23 No-FlowFunction93 Dry pump (X) (X) (X) Parameter 22-26 Dry PumpFunction94 End of curve (X) (X) (X) Parameter 22-50 End of CurveFunction95 Broken belt (X) (X) (X) Parameter 22-60 Broken BeltFunction98 Clock fault (X) (X) (X) Parameter 0-79 Clock Fault163 ATEX ETR cur.lim.warning X – – –164 ATEX ETR cur.lim.alarm X – –165 ATEX ETR freq.lim.warning X – – –Troubleshooting Programming GuideMG20OB02 Danfoss A/S © 05/2018 All rights reserved. 2855 5