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TROUBLE SHOOTING
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.
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
[BingBang2] Technical_information_02830C-01_EN.indd 17
WARNING
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
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
2012-10-05
3:26:50
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