7 Diagnostics and Troubleshooting7.1 Warning and Alarm TypesWarning/alarm typeDescriptionWarning A warning indicates an abnormal operatingcondition that leads to an alarm. A warning stopswhen the abnormal condition is removed.Alarm An alarm indicates a fault that requiresimmediate attention. The fault always triggers atrip or trip lock. Reset the frequency converterafter an alarm.Reset the frequency converter in any of 4 ways:• Press [Reset].• Digital reset input command.• Serial communication reset input command.• Auto reset.TripA trip is an action by the frequency converter to suspendoperation to prevent damages to the frequency converterand other equipment. When a trip occurs, the motor coaststo a stop. The frequency converter logic continues tooperate and monitor the frequency converter status. Afterthe fault condition is remedied, the frequency converter isready for a reset.Trip lockA trip lock is an action by the frequency converter tosuspend operation to prevent damages to the frequencyconverter and other equipment. When a trip lock occurs,the motor coasts to a stop. The frequency converter logiccontinues to operate and monitor the frequency converterstatus. The frequency converter starts a trip lock only whenserious faults occur that can damage the frequencyconverter or other equipment. After the faults are fixed,cycle the input power before resetting the frequencyconverter.7.2 Warning and Alarm DisplaysSetup 1Status QuickMenuMainMenu130BD111.10Illustration 7.1 Warning and Alarm DisplaysAn alarm or trip-lock alarm flashes in the display alongwith the alarm number.Setup 1Status QuickMenuMainMenu130BD112.10Illustration 7.2 Alarm/Trip Lock AlarmIn addition to the text and alarm code on the frequencyconverter display, there are 3 status indicator lights. Thewarning indicator light is yellow during an alarm. Thealarm indicator light is red and flashing during an alarm.130BD062.10D HandOn ResetAutoOnOKOnWarnAlarmIllustration 7.3 Status Indicator LightsDiagnostics and Troubleshoo... Quick GuideMG06A602 Danfoss A/S © 04/2015 All rights reserved. 437 7