EN / ACS800-31/U31 Hardware Manual - Simark Controls

95MaintenanceWhat this chapter containsSafetyThis chapter contains preventive maintenance instructions.WARNING! Read the Safety instructions on the first pages of this manual beforeperforming any maintenance on the equipment. Ignoring the safety instructions cancause injury or death.Maintenance intervalsIf installed in an appropriate environment, the drive requires very little maintenance.This table lists the routine maintenance intervals recommended by ABB.Maintenance Interval InstructionCapacitor reforming Every year when stored See Reforming.Heatsink temperature checkand cleaningChange of additional coolingfanDepends on the dustiness ofthe environment (every 6 to 12months)Every three yearsSee Heatsink.See Additional fan.Main cooling fan change Every six years See Main cooling fan.Capacitor change Every ten years See Capacitors.Maintenance