Samsung WF405ATPASU/AA Trouble Shooting Guide User Manual Ver.1.0 (English, Fr - Page 20
Problem Checking And Method Of Pcb, Warning
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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 - 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. Hall Sensor Check Check Voltage at Pin #4 and #3 of CN3 Tester Check = DC 0V or 1.3V Check Voltage at Pin #4 and #2 of CN3 Tester Check = DC 0V or 1.3V Motor Check Resistance at Pin #1 of #2 of CN5 = 12٠Resistance at Pin #2 of #3 of CN5 = 12٠Resistance at Pin #3 of #3 of CN5 = 12٠Door Lock Check Check AC Voltage at Pin #1 of CN6 and Pin #2 of CN6 When Door Lock = AC 120V Drain Motor Check Check Voltage at Pin #1 of RY1 and Pin #3 of CN1 When Drain Pump operates = AC 120V Water Valve Check Check Voltage at Pin #1 of RY1 and Pin #6,7,8,9,10 of CN1 When Each Valve operates = AC 120V AC Power Check Check Voltage at Pin #1 of CN6 and #1 of RY1 When Set Power On = AC 120V WASH Heater Relay Check Check Voltage at Pin #1 of RY1 and Pin #2 of RY13 When Wash Heater Relay operates = AC 120V 20 WF405ATP-03144A_EN.indd 20 2012-03-02 �� 9:28:56