6-2
6-1 Inspection and Maintenance
6
Inspection and Maintenance
Daily Inspection
•Basically, check the following during operation.
•The motor operates according to the settings.
•There are no errors in the installation environment.
•There are no errors in the cooling system.
•There are no abnormal vibrations or sounds.
•There are no abnormal overheat or discoloration.
•There are no abnormal odors.
•Check the input voltage of the Inverter during operation using a tester or other equipment.
•There is no frequent power supply voltage fluctuation.
•The voltage level between the wires is balanced.
Cleaning
•Always keep the Inverter clean for operation.
•Lightly remove any dirt with a soft cloth moistened with a neutral detergent.
Note:
Do not use such solutions as acetone, benzene, toluene, or alcohol for cleaning. Doing so may
cause the Inverter surface to dissolve or its coating to come off.
Do not use any detergent or alcohol to clean the Digital Operator display.
Periodic Inspection
•Check the parts that cannot be checked without stopping operation, as well as those that require
periodic inspection.
•Contact OMRON Corporation for periodic inspections.
•Check that there are no errors in the cooling system.
..........Clean the air filter.
•Check that all parts that need tightening are secure.
..........Screws and bolts may become loose because of vibration or temperature change.
•Check that there is no corrosion or damage to the conductors and/or insulators.
•Measurement of insulation resistance.
•Check and replace the cooling fan, smoothing capacitor, and relay.
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