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16.7 Maintenace
1. Perform a maintenance check periodically
Confirm wiring and screws are not loose.
Loose screws or wires may cause unintentional malfunction.
2. Conduct an appropriate functional inspection after completing the maintenance.
In case of any abnormities (in the case that the actuator does no move, etc.), stop the operation of
the system. Otherwise, an unexpected malfunction may occur and it will become impossible to
secure the safety.
3. Do not disassemble, modify or repair this
gateway unit
and the peripheral equipment.
4. Do not put anything conductive or flammable inside of this
gateway unit
.
It may cause a fire and explosion.
5. Do not conduct an insulation resistance test and withstand voltage test on this product.
6. Ensure sufficient space for maintenance activities. Provide space required for
maintenance.
Design the system that allows required space for maintenance.
7. Do not used solvents such as benzene, thinner etc. to clean the gateway unit.
They could damage the surface of the body and erase the markings on the body.
Use a soft cloth to remove stains.
For heavy stains, use a cloth soaked with diluted neutral detergent and fully squeezed, then wipe up
the stains again with a dry cloth.
Warning
