6-6
-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.
�-
�-
�-
�- CN3
CN3
CN3
CN3 �c
吏
吏
吏
欄
欄
欄
欄
CN9
CN9
CN9
CN9
卵
卵
卵
卵
CN
w
0
CN
w
0
CN
w
0
CN
w
0
卵
卵
卵
卵
CN8
CN8
CN8
CN8
柩
柩
柩
柩
欄
欄
欄
欄
CN5
CN5
CN5
CN5
卵
卵
卵
卵
CN7
CN7
CN7
CN7
卵
卵
卵
卵
濫
濫
濫
濫
柝
柝
柝
柝
枸
枸
枸
枸
卵
卵
卵
卵
嵐
嵐
嵐
嵐
卵
卵
卵
卵
RY9
RY9
RY9
RY9
嵐
嵐
嵐
嵐
枴
枴
枴
枴
C
C
C
CN4
N4
N4
N4
藍
藍
藍
藍
倫
倫
倫
倫
CN2
CN2
CN2
CN2
塁
塁
塁
塁
倫
倫
倫
倫
CN
w
CN
w
CN
w
CN
w 塁
塁
塁
塁
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
Summary of Contents for WF306LAW/XAA
Page 12: ...2 5 Memo...
Page 21: ...3 9 Memo...
Page 31: ...4 10 Memo...
Page 38: ...5 7 Memo...
Page 45: ...6 7 Memo...
Page 54: ...7 9...
Page 64: ...8 10 Memo...
Page 65: ...9 1 9 BLOCK DIAGRAM...
Page 66: ...9 2 Memo...
Page 67: ...10 1 10 WIRING DIAGRAM...
Page 68: ...10 2 Memo...
Page 72: ...11 4 Memo...
Page 74: ...12 2 This Document can not be used without Samsung s authorization 12 2 SUB PCB...
Page 75: ...12 3 This Document can not be used without Samsung s authorization 12 3 MEMS PCB...
Page 76: ...12 4 This Document can not be used without Samsung s authorization 12 4 AG PCB...
Page 77: ...13 1 13 CIRCUIT DESCRIPTIONS 13 1 OVERALL SYSTEM...
Page 82: ...13 6 Memo...
Page 88: ...14 6 Memo...