Filter
Top Products
37
Replacement of parts
8
8.2 Replacement of parts
The drive unit consists of many electronic parts such as semiconductor devices.
The following parts may deteriorate with age because of their structures or physical characteristics, leading to reduced
performance or fault of the drive unit. For preventive maintenance, the parts must be replaced periodically.
Use the life check function as a guidance of parts replacement.
∗1 Estimated Lifespan for when the yearly average surrounding air temperature is 40°C
(without corrosive gas, flammable gas, oil mist, dust and dirt etc.)
∗2 Output current: 80% of the drive unit rated current
Part Name Estimated Lifespan ∗1 Description
Cooling fan 10 years Replace (as required)
Main circuit smoothing
capacitor
10 years ∗2 Replace (as required)
On-board smoothing
capacitor
10 years ∗2 Replace the board (as required)
Relays — as required
NOTE
For parts replacement, contact the nearest Mitsubishi FA Center.