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Fuji Electric FRENIC MEGA G2 Series - Page 665

Fuji Electric FRENIC MEGA G2 Series
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7.3 Periodic Inspection
7-5
MAINTENANCE AND INSPECTION
Chap 7
Inspection location
Inspection item
Inspection method
Criteria
Control circuit
PCBs
1) Check for loose screws and
connectors.
2) Are there any abnormal odors or
discoloration?
3) Are there any cracks, damage,
deformation, or significant rust?
4) Is there any electrolyte leakage or
signs of deformation in the
capacitors?
1) Retighten
2) Olfactory and
visual inspection
3), 4) Visual
inspection
* Judgment on
service life using
“Menu #5
Maintenance
Information” in
Chapter 3, Section
3.4.5.
1), 2), 3), 4) There
should be no
abnormalities.
Cooling system
Cooling fans
1) Check for catching or abnormal
vibration.
2) Is there any bolt looseness?
3) Is there any discoloration due to
overheating?
1) Turn by hand. (Be
sure to turn the
power OFF
beforehand.)
2) Retighten
3) Visual inspection
* Judgment on
service life using
“Menu #5
Maintenance
Information” in
Chapter 3, Section
3.4.5.
1) The fan should
rotate smoothly.
2), 3) There should
be no abnormalities.
Ventilation
route
Is there any cooling fin, air intake, or
exhaust port clogging or foreign material
adhesion?
Visual inspection
There should be no
clogging or
accumulation of dust,
dirt or foreign
materials.
Clean it, if any, with a
brush or air gun.

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