IV
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Do not block the ventilator of the device with objects, such as newspapers, table clothes or
curtains.
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Do not put open flames, such as a lit candle, on the device.
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When installing the device, make sure the power plug and appliance coupler are easy to reach to
cut off the power.
Maintenance Requirements
When replacing the battery, make sure that the same type is used. Improper battery use might result
in explosion.
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Power off the device before maintenance.
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Mark key components on the maintenance circuit diagram with warning signs.
