Danfoss VLT ISD Connection Box Operating Instructions Manual

Danfoss VLT ISD Connection Box Operating Instructions Manual Manual pdf 45 page image

9 Maintenance and Repair9.1 Maintenance tasksThe connection boxes are largely maintenance free.The maintenance tasks listed in the following table may beperformed by the customer. No other tasks are required.Component MaintenanceTaskMaintenanceIntervalInstructionVents Vacuum Regularly or asnecessaryVacuum thevents with avacuum cleanerConnectionboxClean Regularly or asnecessaryClean thesurface with adry clothTable 9.1 Overview of Maintenance Tasks9.2 Inspection during OperationCarry out regular inspections during operation. Check theconnection box at regular intervals for anything unusual.Pay particular attention to:• Loose fastenings• Condition of electrical wiring and cablesIn the event of irregularities or problems, see 8.4 Trouble-shooting.9.3 Repair9.3.1 Replacing the FusesWARNINGHIGH VOLTAGEThe connection box contains high voltage when connectedto the power supply module. Disconnect the power supplyand wait for the discharge time to elapse before changingthe fuses.Number Minimum waiting time (discharge time)0-60 servomotors 10 minutesNote: High voltage may still be present even if the LED on theISD connection box is not lit!Table 9.2 Discharge TimeFuse type: 16 A FF, size G (6.3 x 32 mm)NOTENo other repairs to the connection box are allowed.Always return defective connection boxes to Danfoss.Maintenance and Repair VLT® ISD Connection Box Operating InstructionsMG75G102 - VLT® is a registered Danfoss trademark 439 9