Daily Inspection; Periodic Inspection - Mitsubishi GOT1000 User Manual

16.1 Daily Inspection

Daily inspection items
No. Inspection Item
1 GOT mounting status
Loose terminal screws
Connection
2
status
Loose connectors
Dirt on protection sheet
Usage
3
Foreign material
status
attachment
Refer to the following for the model names of the protection sheet or the replacement procedure.
Section 8.1 Protective Sheet

16.2 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.
No. Inspection Item
Surrounding
1
environment
2 Power supply voltage check
Mounting
3
status
Connection
4
status
16 - 2 16.1 Daily Inspection
Check for loose
mounting screws.
Retighten screws
with screwdriver
Visual check
Visual check
Visual check
Inspection Method
Ambient
Make measurement
temperature
with thermometer or
hygrometer
Ambient
Measure corrosive
humidity
gas
Atmosphere
24VDC Measure
voltage across
terminals.
Looseness Move module
Dirt, foreign
Visual check
matter
Loose
Retighten screws with
terminal
screwdriver
screws
Loose
Visual check
connectors
WWW.NNC.IR
Inspection
Criterion
Method
Securely mounted
Not loose
Not loose
Not outstanding
No foreign matter
sticking
Criterion
Display section 0 to 50°C
Other portions 0 to 55°C
10 to 90%RH
No corrosive gas
20.4 to 26.4VDC
Should be mounted firmly
No dirt, foreign matter
sticking
Not loose
Not loose
Action
Retighten screws within the
specified torque range
Retighten terminal screws
Retighten connector fixing
screws
Replace with new one
Remove clean
Action
For use in control panel,
temperature inside control
panel is ambient
temperature
Change supply power
Retighten screws
Remove, clean
Retighten terminal screws
Retighten connector fixing
screws