Mitsubishi Electric FR-F800, Instruction Manual

Page: 765 / 834

Precautions for maintenance and inspection Inspection item
FR-F800 7 - 5
7.1.5 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.
7.1.6 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.
Estimated lifespan 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 rating
NOTES Do not use solvent, such as acetone, benzene, toluene and alcohol, as these will cause the inverter
surface paint to peel off.
The display, etc. of the operation panel and the parameter unit are vulnerable to detergent and
alcohol. Therefore, avoid using them for cleaning.
Part name Estimated lifespan Description
Cooling fan 10 years Replace (as required)
Main circuit smoothing capacitor
10 years
Replace (as required)
On-board smoothing capacitor
10 years
Replace the board (as required)
Relays
⎯
As required
Main circuit fuse
(FR-F840-04320(185K) or higher)
10 years Replace the fuse (as required)
Tab. 7-3: Wearing parts
NOTES For parts replacement, contact the nearest Mitsubishi FA center.