Daily Inspection; Periodic Inspection - Mitsubishi Electric GOT SIMPLE Series User Manual

21.1

Daily Inspection

Daily inspection items
Item Inspection Item
1 GOT mounting status
2 Connection Loose terminal screws
status
Proximate solderless
terminals
Loose connectors
3 Usage status Foreign material
attachment
21.2

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.
Item Inspection Item
1 Surrounding Ambient temperature
environment
Ambient humidity
Atmosphere
2 Power supply voltage check
3 Mounting Looseness
status
Foreign material
attachment
4 Connection Loose terminal screws
status
Proximate solderless
terminals
Loose connectors
21 MAINTENANCE AND INSPECTION
280
21.1 Daily Inspection
Inspection Method Criterion
Check for loose mounting Securely mounted
screws.
Retighten screws with Not loose
screwdriver
Visual check Proper space
Visual check Not loose
Visual check No foreign matter sticking
Inspection Method Criterion
Make measurement with 0 to 50°C
thermometer or hygrometer.
10 to 90%RH
Measure corrosive gas.
No corrosive gas
24VDC Measure voltage 20.4 to 26.4VDC
across terminals.
Move module Should be mounted firmly
Visual check No foreign matter sticking
Retighten screws with Not loose
screwdriver
Visual check Proper space
Visual check Not loose
Corrective action
Retighten screws within the specified
torque range
Retighten terminal screws
Correction
Retighten connector fixing screws
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
Correction
Retighten connector fixing screws