Samsung AQV09EWAN Service Manual page 36

1. Precautions
1-1 Precautions for the Service
Use the standard parts when replacing the electric parts.
- Confirm the model name, rated voltage, rated current of the electric parts.
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.
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.
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.
Tighten tightly the service valve of outdoor unit and the cap of charging valve with a monkey spanner.
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
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.
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.
Repairing the products by consumer should be strictly prohibited.
- There is a danger of electric shock or fire due to incorrect disassembly.
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