730110 K0
26
E S 0 9 11
Page
９.２.
Periodically Inspection
The items that must be inspected one or two times every 6 months to 1 year are listed below.
When the equipment is moved or modified, or layout of the wiring is changed, also perform
this inspection.
№ Item
Object
Inspection
Method
Judgment Criteria
Remedy
1
Ambient temperature
Common
Within the
specification
Temperature
measurement
In the
specification of
each equipment
Changed to the
temperature
within the
specification.
2
Ambient humidity
Common
Within the
specification
Humidity
measurement
In the
specification of
each equipment
Changing at the
humidity within
the
specification.
3
Atmosphere
Common
Existence of
volatility
and
causticity
gas
Gas
measurement
There must be
neither volatility
nor a causticity
gas.
Volatility and the
causticity gas of
atmosphere are
excluded.
4
Power voltage
Common
In the ratings Voltage
measurement
In the ratings of
each equipment
Changed to the
voltage within the
ratings.
5
Installation
Common
Looseness,
rattling
Move the
module to
check.
The module must be
installed solidly.
Retighten the
screws.
If the modules are
loose, fix it with
screws.
6
Appearance
Common
Dirt and
foreign
matter.
Check
visually.
Dirt and foreign
matter must not be
present.
Remove and clean.
Damage.
Check
visually.
There is no damage
on the modules.
Equipment is
exchanged in
consideration of
the influence on
the performance.
7
Wiring
Common
Damage.
Check
visually.
There is no damage
on the wires.
Rewiring by
conformity wire.
Dirt and
foreign
matter.
Check
visually.
Dirt and foreign
matter must not be
present on the
terminals.
Remove and clean.
Looseness
terminal
screws.
Retighten.
Screws should not
be loose.
Retighten
the
terminal
screws
with the proper
torque.
8
Detector Number
setting
The
Control
unit
The same
number as
detector
installed
Confirmation
of number of
detectors
actually
installed.
The setting and the
number of
detectors actually
installed are the
same.
The setting is
matched to the
number of
detectors
actually
installed.
