Samsung Electronics
1-1
1-1 Precautions for the Service
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Use the standard parts when replacing the electric parts.
– Confirm the model name, rated voltage, rated current of the electric parts.
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Repair the disconnection of HARNESS securely when repairing the break down.
– If there is any connection error, it causes an abnormal noise and incorrect operation.
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In case that you assemble or disassemble the products with laying it on the side, do work on the work cloth.
– If not, the exterior of products can be scratched.
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Remove dust and foreign materials from harness, connection part, and inspection part thoroughly when repairing the break down.
– It protects the danger of fire such as tracking and short.
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Tighten tightly the service valve of outdoor unit and the cap of charging valve with a monkey spanner.
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Check the assembly status of parts after repairing the break down.
– It should be same as the status before repairing.
1-2 Precautions for the Static Electricity and PL
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As the PCB power terminal has a weakness for the static electricity, pay attention to it during the repair and measurement.
– Work with insulation gloves during the repair and measurement of PCB.
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Check the distance between the product and the other electronic appliances such as TV, video, and audio. It should be over 2m.
– If not, it causes a bad picture quality or a noise.
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Repairing the products by consumer should be strictly prohibited.
– There is a danger of electric shock or fire due to incorrect disassembly.
1-3 Precautions for the Safety
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Do not pull any electric wires and do not touch an auxiliary power switch with a wet hand.
– There is a danger of electric shock or fire.
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In case any wire or power plug has been damaged, replace it to eliminate any possible danger.
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Do not bend the power cord by force and do not put any heavy object on the power cord.
– There is a danger of electric shock or fire.
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Do not use multi socket.
– There is a danger of electric shock or fire.
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Ground the product if necessary.
– Be sure to ground the product if there is any danger of electric leakage due to water or moisture.
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Be sure to turn off the auxiliary power switch or pull out the power plug during replacement or repair of electric parts.
– There is a danger of electric shock.
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In case the product will not be in use for a long time, the battery of remote control should be kept separately.
– Leakage of inside fluid can cause break down of remote control.
1. Precautions
1-1 Precautions for the Service