Samsung P1091GW1/YLP, Руководство по обслуживанию

Страница: 7 / 17

6
5. Trouble Diagnosis
♦
As the micom washing machine is configured of a complicated structure, there might be a need for a service
call. The information below is prepared for exact trouble diagnosis and suitable repair guide.
Caution for the Repair and Replacement
1) As some electronic components are damaged by the charged static electricity from the resin part of wash
machine or the human body, prepare the human body earth or remove the potential difference of the human
body and wash machine by contacting the power supply plug when the work contacting to PCB is executed.
2) Since AC220~240V is applied to the triac T1 and T2 on P.C.B, the electric shock may occur by touching
and be careful that the strong and weak electricity are not mixed.
3) If the P.C.B assembly is out of order, do not replace the component on P.C.B except TACT switch since the
component is coated by the urethane.
4) As the P.C.B assembly is designed for easy handling, do not replace the P.C.B assembly by the wrong
diagnosis and follow the procedure of trouble diagnosis when the micom is not operated normally.
5) As the parts on P.C.B are coated by the urethane, they can not be tested by the test bar of the meter.
Check the trouble by the test mode method according to the procedure.
Please follow instructions below for trouble diagnosis and parts replacement.
POWER SUPPLY PLUG