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C-VX875
Instructions Manual
５．Maintenance
Incorrect handling may lead to an electric shock.
Inspection and maintenance need to be conducted by an expert engineer only.
CAUTION
Before inspecting and maintaining this product, turn off the power.
An electric shock, injuries, and fire may be caused.
Do not make repair and modification such as product disassembly and parts
CAUTION
replacement.
5‑1. Maintenance and Inspection
(1) Cleaning method
To use the product in a favorable condition, conduct cycleic cleaning as follows.
・During the cleaning of the terminal plating part, wipe it with a dry, soft cloth.
・If stain is not removed by the dry wiping, soak a cloth in a solution in which neutral
detergent is diluted, wring it out, and wipe off the stain with it.
・Do not use a high‑volatile solvent such as benzene and thinner, and a wipe.
This may
deteriorate gold plating by transformation and oxidation.
(2) Inspection method
To use the product in a favorable condition, conduct periodic inspection.
Usually conduct the inspection every six months or every year.
To use the product in an extremely hot and humid or dusty environment, shorten the inspection
interval.
Inspection item
Inspection details
Criteria
Inspection method
Environment
Thermometer
Check whether ambient and intra‑device temperatures
0〜+ 45℃
are appropriate.
state
without dew
Hygrometer
Check whether ambient and intra‑device humidifies
10％〜80％RH(
are appropriate.
)
condensation
No dust
Visual check
Check whether dust is deposited.
Installation
Not loose
Torque wrench
Check whether the product is firmly secured.
(6kg･cm)
state
Not loose and removed
Visual check
Check whether connectors are completely inserted.
Not loose and removed
Visual check
Check whether cables are to be removed.
Appearance is normal.
Visual check
Check whether connecting cables are to be broken.
(3) Replacement method
If the product becomes faulty, repair it immediately because the entire device system may be
affected.
To make the repair smoothly, a spare product should be prepared.
・To prevent an accident such as an electric shock during replacement, stop the device and turn
off the power.
・If poor contacting is assumed, wipe contacts with a clean cotton cloth that is wet with
industrial alcohol.
・Take a record of switch settings during replacement and return them to their state before the
replacement.
・After the replacement, confirm that the new product is normal.
・For the faulty product replaced, have it repaired by returning it to the company with a
report indicating as much details on the failure as possible.
5‑2. Saving and Disposal
(1) Saving method
Save the product in the following environment.
・Indoor (place in which the product is not in the path of direct sunlight)
・Place at ambient temperature and humidity within the specifications
・Place free of corrosive and inflammable gases
・Place free of dust, dirt, salt, and iron powder
・Place free of direct vibration and shock to the product body
・Place free of water, oil, and chemicals droplets
・Place where a person cannot ride or put objects on the product
(2) Disposal method
Handle the product as industrial waste.