Mitsubishi Electric FR-F800, Instruction Manual

Page: 763 / 834

Precautions for maintenance and inspection Inspection item
FR-F800 7 - 3
Oil component of the heat dissipation grease used inside the inverter may leak out. The oil
component, however, is not flammable, corrosive, nor conductive and is not harmful to humans.
Wipe off such oil component.
It is recommended to install a voltage monitoring device for checking the voltage of the power
supplied to the inverter.
One to two years of periodic inspection cycle is recommended. However, it differs according to the
installation environment.
Consult us for periodic inspection.
Cooling
system
Cooling fan
(1) Check for unusual vibration and noise.
2
Replace the fan.
(2) Check for loose screws and bolts.
2
Fix with the fan cover
fixing screws
(3) Check for stain.
2
Clean.
Heatsink
(1) Check for clogging.
2
Clean.
(2) Check for stain.
2
Clean.
Display
Indication
(1) Check that display is normal.
2
Contact the
manufacturer.
(2) Check for stain.
2
Clean.
Meter Check that reading is normal.
2
Stop the equipment and
contact the
manufacturer.
Load
motor
Operation check
Check for vibration and abnormal increase in
operation noise.
2
Stop the equipment and
contact the
manufacturer.
E
CAUTION:
Continuous use of a leaked, deformed, or degraded smoothing aluminium electrolytic capacitor
(as shown in the table above) may lead to a burst, breakage or fire. Replace such a capacitor
without delay.
Area of in-
spection
Inspection item Description
Inspection
interval
Corrective action at
fault occurrence Check by
the user
Da
il
y
Pe
ri
od
ic
Tab. 7-1: Daily and periodic inspection (2)