Samsung Electronics 11. Precautions1-1 Precautions for the ServiceOUse 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.OFully repair the connection for the types of harness when repairing the product after breakdown.– A faulty connection can cause irregular noise and problems.OWhen 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.OCompletely remove dust or foreign substances on the housing, connection, and inspection parts when performing repairs.– This can prevent fire hazards for tracking, short, etc.OPlease tighten the service valve of the outdoor unit and the valve cap of the charging valve as securely as possible by usinga monkey spanner.OCheck 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 PLOPlease carefully handle the PBA power terminal during repair and measurement when it is turned on since it is vulnerableto static electricity.– Please wear insulation gloves before performing PBA repair and measurement.OCheck 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.OPlease make sure the customer does not directly repair the product.– Arbitrary dismantling may result in electric shock or fire.1-3 Precautions for the SafetyODo not pull or touch the power plug or the subsidiary power switch with wet hands.– This may result in electric shock or fire.OIf the power line or the power plug is damaged, then it must be changed since this is a hazard.ODo 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.OThe use of multiple electric outlets should be prohibited.– This may result in electric shock or fire.OGround the connection if it is necessary.– The connection must be grounded if there is any risk of electrical short due to water or moisture.OUnplug the power or turn off the subsidiary power switch when changing or repairing electrical parts.– Doing so will prevent electric shock.OExplain to workers that the battery for the remote control needs to be separated for storage purposes when the productwill not be used for a long time.– This can cause a problem for the remote control since battery fluid may trickle out.
