Samsung WF405ATPASU-A2 - Manual (Page 21)

21
Thermistor Check
Check Voltage at Pin #4 and #5 of CN5
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 CN5
Reset water level = DC1.6V, 26.0KHz
Check Voltage and Frequency at Pin #7 and #5 of CN5
Reset water level = DC1.6V, 26.0KHz
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.
TROUBLE SHOOTING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
WARNING
WF405ATP-03144A-03_EN.indd 21 2013-1-28 18:42:02