Samsung SW12E1S(P)/XST Service Manual page 22

5. Troubleshooting
* Since the structure of the automatic microcomputer washer is complicated, you may make a service call even though the prob-
lem is not caused by the defective product. This section easily explains how to diagnose such problems correctly and how to
repair at lower cost.
5-1 Cautions in repairing or replacing
When diagnosing the problem or replacing the part, please ensure that the following instructions are followed
1) The static electricity on the plastic part of the washer or on your body may cause to damage the electronic components.
Therefore, before working on the PCB, earth by your body or touch the terminal of the washer power plug and the earth wire in
order to remove the current difference between your body and the washer.
Power Plug
2) Since the components on the PCB are coated with the urethane, they cannot be checked by the test rod of the tester. Therefore,
check them by carrying out the test mode in order to diagnose the problem according to the results.
SAMSUNG ELECTRONICS CO., LTD
Earth Wire
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