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Cleaning; Replacement Of Parts - Mitsubishi Electric FR-E700 Instruction Manual

Fr-e740-016 to 300 - ec; fr-e720s-008 to 110 - ec.
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Inspection items
6.1.6

Cleaning

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.
NOTE
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.
6.1.7

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
Relays
∗1
Replacement years 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 inverter rated current
NOTE
For parts replacement, consult the nearest Mitsubishi FA Center.
(1)
Cooling fan
The replacement interval of the cooling fan used for cooling the parts generating heat such as the main circuit semiconductor
is greatly affected by the surrounding air temperature. When unusual noise and/or vibration is noticed during inspection, the
cooling fan must be replaced immediately.
NOTE
For parts replacement, consult the nearest Mitsubishi FA Center.
Inverter Type
FR-E740-040 to 095
FR-E720S-050 to 110
FR-E740-120, 170
FR-E740-230, 300
292
Standard Replacement
Interval ∗1
10 years
10 years ∗2
10 years
Fan Type
MMF-06F24ES-RP1 BKO-CA1638H01
MMF-06F24ES-RP1 BKO-CA1638H01
MMF-08D24ES-RP1 BKO-CA1639H01
Description
Replace (as required)
Replace (as required)
Replace the board (as required)
as required
Units
1
2
2

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