Periodic Inspection - Toshiba nv Series Instruction Manual

■Front panel
<LED>
Check that each LED is not obstructed. If it is difficult to see, clean it with a soft cloth, be careful not to switch.
And check the LED status from the front panel.
<DeviceNet connector>
- Cables are connected correctly
- There is no abnormality in the cable connection
- There is no disconnection of the cable and no abnormality in appearance.
■Vent
Inspect the front panel of the product and the vents on the top for dust and dirt. If the ventilation openings are
blocked by dust or dirt, remove them.
■Indoor environment
Check that the temperature and humidity of the place where the product is installed are within the product
specification range (Appendix A).

7.1.2 Periodic inspection

Check the items in Table 7-1 (about once every six months). Also check if the surrounding situation or environment has
changed.
Fully caution when measuring the power supply voltage at
the power supply terminals of the module during
inspection.
Failure to do so may cause electric shock.
Do not modify, repair, disassemble or adjust equipment on
module or board.
Failure to do so might cause electric shock, fire, injury or a fault.
In case of malfunction or failure, please contact our service
representative.
Unified Controller nv Series DeviceNet Module DN912 Instruction Manual
7.1 Inspection
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