Mitsubishi Electric GOT SIMPLE Series, User Manual

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21 MAINTENANCE AND INSPECTION
21.1 Daily Inspection
21.1
Daily Inspection
Daily inspection items
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 Inspection Method Criterion Corrective 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 space Correction
Loose connectors Visual check Not loose Retighten connector fixing screws
3 Usage status Foreign material
attachment Visual check No foreign matter sticking Remove, clean
Item Inspection Item Inspection Method Criterion Action
1 Surrounding
environment Ambient temperature Make measurement with
thermometer or hygrometer.
Measure corrosive gas. 0 to 50°C For use in control panel, temperature
inside control panel is ambient
temperature
Ambient humidity 10 to 90%RH
Atmosphere No corrosive gas
2 Power supply voltage check 24VDC Measure voltage
across terminals. 20.4 to 26.4VDC Change supply power
3 Mounting
status Looseness Move module Should be mounted firmly Retighten screws
Foreign material
attachment Visual check No foreign matter sticking Remove, clean
4 Connection
status Loose terminal screws Retighten screws with
screwdriver Not loose Retighten terminal screws
Proximate solderless
terminals Visual check Proper space Correction
Loose connectors Visual check Not loose Retighten connector fixing screws