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Replacement Of Parts - Mitsubishi Electric FR-E520 Instruction Manual

Transistorized inverter.
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Replacement of parts

The inverter consists of many electronic parts such as semiconductor devices.
The following parts may deteriorate with age because of their structural or physical
characteristics, leading to reduced performance or failure of the inverter. For preventive
maintenance, the parts must be changed periodically.
Part Name
Cooling fan
Smoothing capacitor in main circuit
Smoothing capacitor on control board
N ote: For part replacement, contact the nearest Mitsubishi FA center.
(1) Cooling fan
The cooling fan cools heat-generating parts such as the main circuit semiconductor
devices. The life of the cooling fan bearing is usually 10,000 to 35,000 hours. Hence,
the cooling fan must be changed every 2 to 3 years if the inverter is run continuously.
When unusual noise and/or vibration is noticed during inspection, the cooling fan must
be replaced immediately. When you need to change the cooling fan, contact the nearest
Mitsubishi FA Center.
Inverter Model No.
FR-E520-1.5K, 2.2K, 3.7K
FR-E520-5.5K, 7.5K
FR-E540-1.5K, 2.2K, 3.7K
FR-E540-5.5K, 7.5K
Replacement Interval
2 to 3 years
5 years
5 years
Fan Type
MMF-04C24DS BKO-CA1382H01
MMF-06D24DS BKO-C2461H07
MMF-06D24ES BKO-CA1027H08
MMF-06D24ES-FC4 BKO-CA1027H09
MMF-06D24ES-FC5 BKO-CA1027H10
Replace (as required)
Replace (as required)
Replace the board
(as required).


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