Filter
Top Products
5. INSPECTION AND MAINTENANCE
5
−
4
5.3 Scheduled Inspections
The inspections listed in the table below should be conducted once or twice every
6 to 12 months. They should also be conducted after equipment is moved or
upgraded, and if the wiring is changed.
Table 5.3 Scheduled Inspections
No. Item Description Evaluation Standard Remedy
Ambient
temperature
0
C
to 55
C
Ambient
humidity
10% to 90% RH
1
Ambient
environment
Atmosphere
Measure temperature and
humidity.
Measure corrosive gases.
No corrosive gases
If system is in an
enclosure,
measure
temperature and
humidity inside the
enclosure.
85 VAC to 264 VAC
2 Supply voltage
Measure voltage across 100
VAC/200 VAC terminals.
Change power
supply
Looseness Move units and check Firmly installed Tighten screws.
3 Installation
Dirt, foreign
matter
Visual No dirt or foreign matter Clean
Loose terminal
screws
Turn with a screwdriver No loose screws
Tighten loose
screws
Spacing
between
solderless
terminals
Visual Correct spacing is maintained Adjust spacing
4 Connections
Loose
connectors
Visual Connectors fully tightened
Tighten connector
screws
5Battery
In monitor mode, check from
peripheral device that M9006
and M9007 are OFF.
(Preventative maintenance)
Replace battery if
life is exceeded,
even if no voltage
drop occurs.
Refer to Section
5.3.1.