Mitsubishi Electric FR-F806-E Hardware Instruction Manual page 85

Inspection item
5.1.6
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.
Part name
Cooling fan, internal fan
Main circuit smoothing capacitor
On-board smoothing capacitor
Relays
Gasket

Estimated lifespan for when the yearly average ambient temperature is 35°C.
(without corrosive gas, flammable gas, oil mist, dust and dirt etc.)

Output current: 80% of the inverter rating

The estimated lifespan is only a guide. To maintain the waterproof and dustproof performances of the inverter, daily and periodic inspections are
recommended.
NOTE
• For parts replacement, contact the nearest Mitsubishi FA center.
Displaying the life of the inverter parts
Pr. Name
255
Life alarm status display
E700
Whether or not the parts of the control circuit capacitor, main circuit capacitor, cooling fan, inrush current limit circuit or internal
air circulation fans have reached the life alarm output level can be checked with Pr.255 Life alarm status display and the life
alarm signal (Y90).
bit 15 7
0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
The self-diagnostic warning is output when the life span of each part is near its end. It gives an indication of replacement time.
The life warning output can be used as a guideline for life judgment.
Parts
Main circuit capacitor
Control circuit capacitor
Inrush current limit circuit
Cooling fan, internal air circulation fan
NOTE
• Refer to the FR-F800 Instruction Manual (Detailed) to perform the life check of the inverter parts.
84
PRECAUTIONS FOR MAINTENANCE AND INSPECTION
Estimated lifespan
10 years
10 years
10 years
―
2 years

Initial
value
0 (0 to 31)
0
1
bit0 Control circuit capacitor life
bit1 Main circuit capacitor life
bit2 Cooling fan life
bit3 Inrush current limit circuit life
bit4 Life of internal air circulation fans
85% of the initial capacity
Estimated remaining life 10%
Estimated remaining life 10% (Power ON: 100,000 times left)
Less than 70% of the specified speed.


Replace the board (as required)

Setting
range
Displays whether or not the parts of the control circuit
capacitor, main circuit capacitor, cooling fan, and inrush
current limit circuit have reached the life alarm output level.
Read-only.
• Pr.255 read
Judgment level
Description
Replace (as required)
Replace (as required)
As required
Replace (as required)
Description
• Pr.255 setting read
Bit image is displayed
in decimal