Maintenance And Inspection - YASKAWA VS mini C Series Instruction Manual

7. MAINTENANCE AND INSPECTION
Periodically inspect the inverter as described in the following table to
prevent accidents and to ensure high performance with high-reliability.
Locationto Check Check For Solution
ITerminals, unit Connection hardware is =roperly seat and tighten
"nounting bolts, properly seated and lardware.
etc. securely tightened.
Cooling fins Built up dust, dirt, and debris Blow with dry compressed air :
39.2 x 104 to 58.8 x 104 Pa,
57 to 85 psi (4 to 6kg / cm 2 )
pressure
Printed circuit Accumulation of conductive Blow with dry compressed air :
board material oroil mist i39.2 x 104 to 58.8 x 104pa,
57 to 85 psi (4 to 6kg / cm2 )
xessure
If dust or oil cannot be
removed, replace the inverter
unit.
Power elements Abnormal odor or Replace the inverter unit.
and smoothing discoloration
capacitor
59