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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.
5 Battery
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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