Samsung AC009BN1DCH, Руководство по обслуживанию, Страница: 4 / 330

Samsung Electronics 1-1
1. Precautions
1-1. Precautions for the Service
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Use the correct parts when changing the electric parts.
– Please check the labels and notices for the model name, proper voltage, and proper current for the electric parts.
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Fully repair the connection for the types of harness when repairing the product after breakdown.
– A faulty connection can cause irregular noise and problems.
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When disassembling or assembling, make sure that the product is laid down on a work cloth.
– Doing so will prevent scratching to the exterior of the rear side of the product.
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Completely remove dust or foreign substances on the housing, connection, and inspection parts when performing repairs.
– This can prevent fire hazards for tracking, short, etc.
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Please tighten the service valve of the outdoor unit and the valve cap of the charging valve as securely as possible by using
a monkey spanner.
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Check whether the parts are properly and securely assembled after performing repairs.
– These parts should be in the same condition as before the repair.
1-2. Precautions for the Static Electricity and PL
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Please carefully handle the PCB power terminal during repair and measurement when it is turned on since it is vulnerable
to static electricity.
– Please wear insulation gloves before performing PCB repair and measurement.
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Check if the place of installation is at least 2m away from electronic appliances such as TV, video players, and stereos.
– This can cause irregular noise or degrade the picture quality.
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Please make sure the customer does not directly repair the product.
– Arbitrary dismantling may result in electric shock or fire.
1-3. Precautions for the Safety
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Do not pull or touch the power plug or the subsidiary power switch with wet hands.
– This may result in electric shock or fire.
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If the power line or the power plug is damaged, then it must be changed since this is a hazard.
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Do not bend the wire too much or position it so that it can be damaged by a heavy object on top.
– This may result in electric shock or fire.
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The use of multiple electric outlets should be prohibited.
– This may result in electric shock or fire.
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Ground the connection if it is necessary.
– The connection must be grounded if there is any risk of electrical short due to water or moisture.
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Unplug the power or turn off the subsidiary power switch when changing or repairing electrical parts.
– Doing so will prevent electric shock.
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Explain to workers that the battery for the remote control needs to be separated for storage purposes when the product
will not be used for a long time.
– This can cause a problem for the remote control since battery fluid may trickle out.