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10. MAINTENANCE AND INSPECTION
10.2 Periodic Inspection
Inspection on items shown below should be conducted once or twice every six months to a
year. Conduct the inspection when the equipment is moved or modified, or wiring is
changed.
Table 10.2 Periodic inspection
Item Check item Content of inspection Judgement Action
1
Ambient environment
Ambient temperature
Measure with
temperature and humidity
gauge.
Measure presence of
corrosive gasses.
0 to 55
When used in a panel,
temperature inside
the panel is the
ambient temperature.
Ambient humidity 10 to 90%RH
Atmosphere
There is no corrosive
gas present.
2 Line voltage check
Measure voltage
between 100/200VAC
terminals.
85 to 264VAC
Change the power
supply.
3
Installation condition
Loosening, backlash
Test by moving the
module.
Must be installed
solidly.
Retighten the screw.
Adhesion of dirt or
foreign matters
Visual inspection No adhesion. Remove and clean.
4
Connection conditions
Loosening of terminal
screw
Retighten with a
screwdriver.
No loosening. Retighten.
Proximity of
solderless terminals
Visual inspection
There is an
appropriate distance.
Correct the distance.
Loosening of
connector
Visual inspection No loosening.
Retighten the
connector fixing
screw.
5Battery
Confirm M9006 or M9007
is OFF with a peripheral
device in the monitoring
mode.
(Preventive
maintenance)
Even when there is no
low-battery display,
replace if specified life
is exceeded.
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