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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
A
m
bient
env
ir
onment
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
Ins
tallat
ion
condit
ion 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
Connect
ion
con
di
tions
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.