Samsung WA48H7400AP/A2 Trouble Shooting Guide Tech Manual (English, French, Sp - Page 17

TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. PROBLEM CHECKING AND METHOD OF PCB (Model : WA45H7200A*) - 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. CN802 CN501 CN201 Micom writing Thermistor Check Check Resistance at Pin #9 and #7 of CN802 Tester Check = 47㏀ %0 *#..5'0514 %0 /+%1/9TKVKPI %0 %0 &QQT.QEM %0 Water Sensor Check Check Frequency at Pin #11 and #7 of CN802 Reset frequency = 25.6KHz Check Frequency at Pin #12 and #7 of CN802 Reset frequency = 25.6KHz %0 %0 219'4 4'.#; 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 17 8")"
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