19
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19.1 Daily Inspection
19.1 Daily Inspection
Daily inspection items
Refer to the following for the model names of the protection sheet or the replacement procedure.
8.12 Protective Sheet
19.2 Periodic Inspection
Yearly or half-yearly inspection items
The following inspection should also be performed when equipment has been moved or modified or the
wiring changed.
(Continued to next page)
No.
Inspection Item
Inspection
Method
Criterion
Action
1
GOT mounting status
Check for loose
mounting screws.
Securely mounted
Retighten screws within the
specified torque range.
2
Connection
status
Loose terminal screws
Retighten screws
with screwdriver
Not loose
Retighten terminal screws
Proximate solderless
terminals
Visual check
Proper intervals
Correct
Loose connectors
Visual check
Not loose
Retighten connector fixing
screws
3
Usage
status
Dirt on protection sheet
Visual check
Not outstanding
Replace with new one
Foreign material
attachment
Visual check
No foreign matter
sticking
Remove clean
No.
Inspection Item
Inspection Method
Criterion
Action
1
Surrounding
environment
Ambient
temperature
Make measurement
with thermometer or
hygrometer
Measure corrosive
gas
Display section 0 to 40°C
For use in control panel,
temperature inside control
panel is ambient
temperature
Other portions
0 to 55°C
Ambient
humidity
10 to 90%RH
Atmosphere
No corrosive gas
2
GOT with
100-240V
AC power
Power
supply
voltage
check
100 to 240VAC
Measure voltage
across terminals.
85 to 242VAC
Change supply power
GOT with
24VDC
power
Input polarity
of 24VDC
power
24VDC
Measure voltage
across terminals.
Left : -
Right : +
Change wiring
3
Mounting
status
Looseness
Move module
Should be mounted firmly
Retighten screws
Dirt, foreign
matter
Visual check
No dirt, foreign matter
sticking
Remove, clean
