GE VAT2000 Instruction Manual

Also see for VAT2000 Series: Instruction manual Instruction manual

Contents

8. Maintenance and Inspection8-1Chapter 8 Maintenance and InspectionDANGER• Always wait at least 20 minutes after turning the input power OFF before starting inspections.Wait at least 20 minutes after turning the input power OFF before starting work. Make sure that thedisplays on the operation panel have gone out before removing the front cover.Remove the front cover, and confirm that the "CHARGE" LED on the drive PCB or at the side of thecontrol PCB has gone out. Also check that the voltage between terminals L+1 or L+2 and L– is 15V orless before starting the inspections.Failure to observe this could lead to electric shocks.• Maintenance, inspections and part replacement must be done by a designated person.(Remove all metal accessories such as watches, bracelets, etc., before starting the work.)(Always use an insulation measure tool.)Failure to observe this could lead to electric shocks and injuries.• Always turn the power OFF before inspecting the motor or machine. A potential is applied on the motorterminal even when the motor is stopped.Failure to do so could lead to electric shocks and injuries.• Do not use parts other than those designated for the replacement parts.Contact your inverter dealer for replacement parts.Failure to observe this could lead to fires.CAUTION• Clean the inverter with a vacuum cleaner. Do not use water or organic solvents.Failure to observe this could lead to fires or damage.8-1 Inspection itemsThe inspections must be carried out periodically according to the working environment and frequency ofuse. If there are any abnormalities, the cause must be inspected immediately and countermeasurestaken.(1) Daily inspectionsTable 8-1Inspection item Inspection details and workTemperature/humidity Confirm that the ambient temperature is –10 to 50°C, and that the humidity is95% or less with no dew condensation.Oil mist and dust Confirm that there is no oil mist or dust in the VAT2000.Abnormal noise andvibrationConfirm that there is no abnormal noise or vibration from the installation site orVAT2000.Input power source Confirm that the input voltage and frequency are within the specificationsrange.Cooling fan Confirm that the cooling fan rotates normally and that no lint, etc. is stuck on it.Indicator Confirm that all lamps on the operation panel light properly.