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21.MAINTENACE
You may get an electric shock in case of misoperation.
CAUTION
No person other than specialist engineer is allowed to conduct inspection and
replacement works.
Be sure to turn off the power supply before starting inspection and replacement
work of the product.
You may face the danger of electric shock, injury or fire.
CAUTION
Do not disassemble the product for repair like changing parts or for
modification.
21-1.Maintenance and Inspection
(1) Cleaning Method
To operate the product in good conditions, clean them periodically as follows.
・Wipe them with dry soft cloth at the time of daily cleaning.
・When stains cannot be removed by wiping with dry cloth, moisten the cloth with thin neutral
detergent and squeeze it hard for wiping.
・Allowing a rubber or vinyl good, or tape to adhere to the product for a long time may cause
stain creation. If it is created, remove it when cleaning.
・Do not use volatile solvents like benzine and paint thinner and chemical duster.
Paint and label may be deteriorated sometimes.
(2) Inspection Method
To operate the product in good conditions, clean them periodically.
In general, inspect them every 6 months or once a year.
When operating them in an extremely high temperature and high humid environment or in a very dusty
environment, however, inspect them more frequently.
Inspection Item
Detail of Inspection
Criterion
Inspection Means
Environment
Are the ambient temperature and the internal
0~+45℃
Thermometer
Condition
temperature of the system appropriate?
Are the ambient humidity and the internal
10%~80%RH
Hygrometer
humidity of the system appropriate?
(non-condensing)
Haven't dusts gathered?
There should be no dust.
Visual check
Installation
Is the product firmly fixed.
There should no loose parts.
Visual check
Condition
Are connectors inserted perfectly?
There should be no loose or
Visual check
disconnected parts.
Is there any cable going to be disconnected?
There should be no loose or
Visual check
disconnected parts.
Is there any connection cable being to be
Appearance should be normal.
Visual check
broken?
(3) Replacing Method
When the product gets out of order, the whole system may be affected. So, repair it promptly.
To make repair works promptly, we recommend you to prepare spare equipment for replacement.
・Before replacement, stop the system and turn off the power supply to prevent electric shock and
any accident.
・When imperfect contact is supposed, wipe contacts with clean pure cotton cloth moistened with
industrial alcohol.
・After the replacement, make sure that the new equipment is also in order.
・Return the removed defective equipment to us for repair together with a report detailing defects.
21-2.Storage and Disposal
(1) Storing Method
Store the controller in the following environment.
・Indoors (where the controller is not exposed to direct sunlight).
・A place where ambient temperature and humidity satisfy the specification.
・A place free from corrosive gas and inflammable gas
・A place free from dirt, dust, salt and iron powder.
・A place where the product body is protected from vibration and shock.
・A place not exposed to splashes of water, oil or chemical.
・A place where no one can get on the product and place any substance on it.
(2) Disposing Method
Dispose the product as an industrial waste.
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