Cleaning; Replacement Of Parts - Mitsubishi Electric FR-A740-00023 Instruction Manual

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.
CAUTION
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 (FR-DU07) 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
Fuse (04320 or more)
*1 Replacement years for when the yearly average ambient temperature is 40°C
(without corrosive gas, flammable gas, oil mist, dust and dirt etc)
*2 Output current : equivalent to rating current of the Mitsubishi standard motor (4 poles)
CAUTION
For parts replacement, consult the nearest Mitsubishi FA Center.
Standard Replacement Interval
10 years
10 years
*2
10 years
−
10 years
Description
*1
Replace (as required)
Replace (as required)
Replace the board (as required)
as required
Replace the fuse (as required)
Inspection item
415
6