Samsung WF241ANW/XAA Trouble Shooting Guide (English, French, Spanish) - 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 #1 and #2 of CN3 Tester Check = DC 2.7V If it ready 5V, check if its connector is engaged properly. Water Sensor Check Check Voltage and Frequency at Pin #3 and #2 of CN3 Reset water level = DC2.5V, 25.0KHz Check Voltage and Frequency at Pin #4 and #2 of CN3 Reset water level = DC2.5V, 25.0KHz Hall Sensor Check Check Voltage at Pin #4 and #3 of CN8 Tester Check = DC0.6V or 1.3V Check Voltage at Pin #4 and #2 of CN8 Tester Check = DC0.6V or 1.3V Motor Check Resistance at Pin #1 of CN1 and R1-GND = 280# or 470# Resistance at Pin #2 of CN1 and R1-GND = 280# or 470# Resistance at Pin #3 of CN1 and R1-GND = 280# or 470# Door Lock Check Check Voltage at Pin #1 of CN2 and Pin #6 of CN5 When Door Lock = AC 120V Drain Motor Check Check Voltage at Pin #1 of CN2 and Pin #4 of CN5 When Drain Pump operates = AC 120V Water Valve Check Check Voltage at Pin #1 of CN2 and Pin #1,2,3 of CN5 When Drain Pump operates = AC 120V AC Power Check Check Voltage at Pin #1 and #3 of CN2 Check Voltage at Pin #1 of CN2 and Pin #1 of RY1 Tester Check = AC 120V Heater Relay Check Check Voltage at Pin #1 of CN2 and Pin #1 of RY2 When Heater Relay operates = AC 120V 17 [BingBang2] Technical_information_02830C-01_EN.indd 17 2012-10-05 3:26:50