Trouble shooting, Problem checking and method of pcb, Warning – Samsung WA50F9A7DSP-A2 User Manual
Page 16
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Hall Sensor Check
Check Voltage at Pin #4 and #3 of CN9
Tester Check = DC0.6V
Check Voltage at Pin #4 and #2 of CN9
Tester Check = DC0.6V
Motor Check
Resistance at Pin #1 of CN3 and GND
= 226
㏀
Resistance at Pin #2 of CN3 and GND
= 226
㏀
Resistance at Pin #3 of CN3 and GND
= 226
㏀
Drain Motor_Pump Check
Check Voltage at Pin #3 of CN1 and Pin #5 of CN4
When Drain Pump operates = AC 120V
Water Valves/ Check
Check Voltage at Pin #3 of CN1 and Pin #1,2,3,4 of CN4
When Valves operates = AC 120V
Clutch-Motor
Check Voltage at Pin #3 of CN1 and Pin #8 of CN4
When Valves operates = AC 120V
AC Power Check
Check Voltage at Pin #1 and #3 of CN1
Tester Check = AC 120V
Door Lock Check
Check Voltage at Pin #3 and #5 of CN8
When Door Lock = DC 6.5V
PROBLEM CHECKING AND METHOD OF PCB
- If you plug in the power cord and turn Power S/W on, memorized data is displayed.
If any data is not displayed, check the followings.
Thermistor Check
Check Resistance at Pin #8 and #7 of CN6
Tester Check = 47
㏀
Water Sensor Check
Check Frequency at Pin #10 and #15 of CN6
Reset frequency = 25.6KHz
Check Frequency at Pin #11 and #15 of CN6
Reset frequency = 25.6KHz
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CN7
Micom writing
CN12
CN6
CN14
TROUBLE SHOOTING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
WARNING
F900A WASH_WA50F_ MANUAL_DC68-03132C_EN(需要翻译的文件).indd 16
2013-1-21 14:58:17