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Cleaning; Replacement Of Parts - Mitsubishi Electric FR-E720-0.1K(SC) Instruction Manual

Fr-e700 series.
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Inspection items


Always run the inverter in a clean status.
When cleaning the inverter, gently wipe dirty areas with a soft cloth immersed in neutral detergent or ethanol.
Do not use solvent, such as acetone, benzene, toluene and alcohol, as they will cause the inverter surface paint to peel off.
The display, etc. of the operation panel and parameter unit (FR-PU04/FR-PU07) are vulnerable to detergent and alcohol.
Therefore, avoid using them for cleaning.

Replacement of parts

The inverter 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 inverter. For preventive maintenance, the parts must be replaced periodically.
Use the life check function as a guidance of parts replacement.
Part Name
Cooling fan
Main circuit smoothing capacitor
On-board smoothing capacitor
Replacement years for when the yearly average surrounding air temperature is 40°C
(without corrosive gas, flammable gas, oil mist, dust and dirt etc.)
Output current: 80% of the inverter rated current
For parts replacement, consult the nearest Mitsubishi FA Center.
Standard Replacement
Interval ∗1
10 years
10 years ∗2
10 years
Replace (as required)
Replace (as required)
Replace the board (as required)
as required


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