Mitsubishi Electric MELSEC-Q QE81WH4W User Manual page 5

[Start-up Precautions]

Use the product within the ratings specified in this manual. When using it outside the ratings, it not
only causes a malfunction or failure but also there is a fear of igniting and damaging by a fire.

Before operating the product, check that active bare wire and so on does not exist around the
product. If any bare wire exists, stop the operation immediately, and take an appropriate action
such as isolation protection.

Do not disassemble or modify the module. It may cause failure, a malfunction, an injury or a fire.

Attaching and detaching the module must be performed after the power source is shut off for all
outside phases. If not all phases are shut off, it may cause failure or a malfunction of the module.

Do not touch the live terminal. It may cause a malfunction.
[Maintenance Precautions]

Cleaning and additional tightening of module-fixing screws must be performed after the input
power source is shut off for all outside phases. If not all phases are shut off, it may cause failure or
a malfunction of the module.

Use a soft dry cloth to clean off dirt of the module surface.

Do not let a chemical cloth remain on the surface for an extended period nor wipe the surface with
thinner or benzene.
Check for the following items for using this product properly for long time.
<Daily maintenance>
(1) No damage on this product (2) No abnormality with LED indicators (3) No abnormal noise,
smell or heat.
<Periodical maintenance>
(4) Confirm there is loosing in installation, wire connection to terminal blocks, and the connection
of the connectors. (Check these items under the power failure condition.)
[Storage Precautions]

To store this product, turn off the power and remove wires, and put it in a plastic bag.
For long-time storage, avoid the following places. Failure to follow the instruction may cause a
failure and reduced life of the product.
- Places the Ambient temperature exceeds the range -25 to +75ºC.
- Places the Relative humidity exceeds the range 5 - 95% or condensation is observed.
- Dust, corrosive gas, saline and oil smoke exist, and vibration and frequent physical impact
occur.
- Places exposed to rain or water drop.
[Disposal Precautions]

Dispose of the product as an industrial waste.
CAUTION
CAUTION
(Once every 6 months to 1 year)
CAUTION
CAUTION
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