Maintenance
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9.3 Replacement cycle and maintenance of
major components
The inverter consists of many electronic components including semiconductor
components. Refer to the following table for the recommended replacement
cycle to prevent inverter deterioration and faults.
Component name
Standard replacement cycle
Symptom
Replacement method
Cooling fan
2-3 years
Poor rotation
Replace with a new
component.
DC link capacitor
2 years
Capacity reduction
Replace with a new
component.
Controller smoothing
capacitor
5 years
Capacity reduction
Replace with a new
component.
Control board relay
-
Faulty operation
Replace with a new
component.
Braking resistor
-
Capacity reduction
Replace with a new
component.
9.4 Storage and disposal
9.4.1 Storage
If you are not using the product for an extended period, store it in the following
way:
•
Store the product in the same environmental conditions as specified for
operation (Refer to
1.3 Installation considerations
•
When storing the product for a period longer than 3 months, store it between -
10
˚C and 30 ˚C, to prevent deterioration of the electrolytic capacitor.
•
Do not expose the inverter to snow, rain, fog, or dust.
•
Package the inverter in a way that prevents contact with moisture. Keep the