Samsung WF501ANW Trouble Shooting Guide (user Manual) (ver.1.0) (English) - 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 - 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 Voltage at Pin #4 and #5 of CN6 Tester Check = DC 1.6V If it ready 5V, check if its connector is engaged properly. Water Sensor Check Check Voltage and Frequency at Pin #6 and #5 of CN6 Reset water level = DC1.6V, 26.0KHz Check Voltage and Frequency at Pin #7 and #5 of CN6 Reset water level = DC1.6V, 26.0KHz 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 CN8 = 12٠Resistance at Pin #2 of #3 of CN8 = 12٠Resistance at Pin #3 of #1 of CN8 = 12٠Door Lock Check Check Voltage at Pin #1 of CN6 and Pin #5 of CN1 When Door Lock = AC 120V Drain Motor Check Check Voltage at Pin #1 of CN6 and Pin #3 of CN1 When Drain Pump operates = AC 120V Water Valve Check Check Voltage at Pin #1 of CN6 and Pin #1,2,7,8,9 of CN1 When Each Valve operates = AC 120V AC Power Check Check Voltage at Pin #1 and #2 of CN6 Check Voltage at Pin #1 CN2 and Pin #2 of RY1 WASH Heater Relay Check Check Voltage at Pin #1 of CN6 and Pin #2 of RY13 When Heater Relay operates = AC 120V 17 (Technical information)WF501ANWX-03011B_EN.indd 17 2011-06-24 �� 6:20:25