Danfoss CDS 302 Troubleshooting Manual

Also see for VLT CDS 303: Operating instructions

Contents

Danfoss CDS 302 Troubleshooting Manual Manual pdf 6 page image

DiagnosticsFault detection via LCP: messages are displayedwhen the frequency converter fault circuitdetects a faulty condition or an unresolved fault.A warning light flashing display indicatespotential problems.There are two levels of alarms; Reset Alarms andTrip-lock Alarms.a) In case of reset alarm: you can stop and thenstart the unit.b) In case of trip-lock alarm, you have todisconnect the mains, wait for dark display,then stop and start.Figure 2: WARNINGSand ALARM messagesare displayed when thefrequency converter faultdetects a faulty conditionWARNINGS and ALARMAlarm Log Check the content of the alarm log.5 latest alarms are available through the “AlarmLog” button key on the LCP.Check the alarm code and refer to thetroubleshooting session of the OperatingInstructions VLT® CDS 302 and CDS 303 on page135. It contains guidance for the complete listof alarms and warnings.If the troubleshooting suggested does notresolve the problem, please contact Danfoss forsupport.Do not exchange the drive before contactingDanfoss support.6FRCC.PC.036.A2.02Check List