Periodical Inspection - Omron VS mini J7 Kurzanleitung

Periodical Inspection

Periodically inspect the inverter as described the following table to prevent accidents and to ensure
high performance with high-reliability.
Location to check
Terminals, unit mounting screws,
etc.
Heatsink
Printed circuit board
Power elements and
smoothing capacitor
Cooling fan
Part Replacement
Inverter's maintenance periods are noted below. Keep them as reference.
Part Replacement Guidelines
Part
Cooling fan
Smoothing capacitor
Breaker relays
Fuses
Aluminium capacitors on PCBs
Note: Usage conditions are as follows:
· Ambient temperature: Yearly average of 30°C
· Load factor: 80% max.
· Operating rate: 12 hours max. per day
Check for
Connection hardware is properly
seated and securely tightened.
Built up durst, and debris
Accumulation of conductive
material or oil mist
Abnormal odor or discoloration
Abnormal noise or vibration
Cumulative operation time
Standard Replacement Period
2 to 3 years
5 years
–
10 years
5 years
Solution
Properly seat and tighten
hardware.
Blow with dry compressed air:
4
39.2 x 10 to 58.8 x 10
57 to 85 psi (4 to 6kg / cm
pressure.
Blow with dry compressed air:
4
39.2 x 10 to 58.8 x 10
57 to 85 psi (4 to 6kg / cm
pressure
If dust or oil cannot be removed,
replace the inverter unit.
Replace the inverter unit.
Replace the cooling fan.
Replacement Method
Replace with new part.
Replace with new part.
(Determine need by inspection.)
Determine need by inspection.
Replace with new part.
Replace with new part.
(Determine need by inspection.)
4
Pa,
2
)
4
Pa,
2
)