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6-10
-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 #6 and #3 of CN3
Tester Check = DC2.5V
If it reads 5V, check if its connector is engaged properly.
Door Switch Check
Check Voltage at Pin #6 and #4 of CN3
When Door Open = DC5V
When Door Close = DC0V
Water Sensor Check
Check Voltage and Frequency at Pin #6 and #7 of CN3
Reset water level = DC2.5V, 25.8KHz
Check Voltage and Frequency at Pin #6 and #8 of CN3
Reset water level = DC2.5V, 25.8KHz
Sump Sensor Check
Check Voltage at Pin #4 and #2 of CN8
Tester Check = DC0V or 3.75V
Check Voltage at Pin #4 and #3 of CN8
Tester Check = DC0V or 3.75V
Motor Check
Resistance at Pin #1 and #2 of CN9 =11.6Ω
Resistance at Pin #1 and #3 of CN9 =11.6Ω
Resistance at Pin #2 and #3 of CN9 =11.6Ω
Door Lock Check
Check Voltage at Pin #1 of CN5 and Pin #7 of CN10
When Door Lock = AC120V
Check Voltage at Pin #1 of CN5 and Pin #2 of CN7
When Door Lock = AC120V
Door Unlock Check
Check Voltage at Pin #1 of CN5 and Pin #8 of CN10
When Door Unlock = AC120V
Drain Motor Check
Check Voltage at Pin #1 of CN5 and Pin #6 of CN10
When Drain Pump operates = AC120V
Water Valve Check
Check Voltage at Pin #1 of CN5 and Pin #1,2,3,4 of CN10
When each Valve operates = AC120V
AC Power Check
Check Voltage at Pin #1 and #3 of CN5
Check Voltage at Pin #1 of CN5 and Pin #1 of CN6
Tester Check = AC120V
Heater Relay Check
Check Voltage at Pin #1 of CN5 and Pin #2 of RY9
When Heater Relay operates = AC120V
6-2. PROBLEM CHECKING AND METHOD OF PCB
① CN1 ⑬
① CN2 ⑬
① CN4 ⑤
① CN3 ⑨
① CN8 ④
⑤
④
⑧
①
CN10
③ CN9 ①
① CN9 ②
③ CN9 ①
②
①
CN7
Summary of Contents for WF316LAW
Page 9: ...1 6 Memo ...
Page 16: ...3 3 ...
Page 17: ...3 4 3 2 PROGRAMME CHART ...
Page 18: ...3 5 3 2 PROGRAMME CHART ...
Page 23: ...3 10 Memo ...
Page 33: ...4 10 Memo ...
Page 71: ...7 22 Memo ...
Page 72: ...8 1 8 BLOCK DIAGRAM ...
Page 73: ...8 2 Memo ...
Page 74: ...9 1 9 WIRING DIAGRAM 9 1 WIRING DIAGRAM ...
Page 83: ...11 2 This Document can not be used without Samsung s authorization 11 2 SUB PCB ...
Page 84: ...11 3 This Document can not be used without Samsung s authorization 11 3 MEMS PCB ...
Page 85: ...11 4 This Document can not be used without Samsung s authorization 11 4 AG PCB ...
Page 91: ...12 6 Memo ...
Page 97: ...13 6 Memo ...
Page 103: ...12 6 Memo ...