5 . Se lf Dia gnosis & Trouble Shoot ing
YES
YES
Check soldering
short/Replace PCB
NO
Is the contact point of main
PCB RELAY RY78 normal?
Based on PCB typical Ground REG1
Heater Sink
2) IC73 #15 voltage
- ICE Water valve Waiting (about
12V
±
0.8V)
- ICE Water valve operating (about
0.7V
±
0.5V)
3) Check the voltage of Water Valve
operating (AC voltage)
=> For checking the Relay RY78
operating.
CN73 and CN74 combined and use
same connector(13p)
CN70-"11"(Red)
↔
CN73-
"7"(Purple)
- ICE Water valve waiting
(about AC 0V)
5 -1 2 . I f I CE Wat e r is not supplie d
To do list
YES
Check soldering
short/Replace PCB
NO
Does Main PCB
IC73 #15 have about 0.7V
output?
MAIN PCB normal
-- Need to check the other parts
①
Check the wire between Ice water
valve
↔
MAIN PCB
②
Ice water valve itself has trouble
r bad contact of connector
③
Check the connection hose
Summary of Contents for AW3-PJT
Page 17: ...1 7 Principle Of Freezer 1 Product Information To do list https appliancetechmanuals com ...
Page 182: ...6 1 PCB Layout w ith part position 6 PCB Diagram To do list https appliancetechmanuals com ...
Page 188: ...7 Wiring Diagram To do list 7 1 Model RFG295AA BETTER https appliancetechmanuals com ...
Page 189: ...7 Wiring Diagram To do list 7 2 Model RF4287AA BEST https appliancetechmanuals com ...
Page 190: ...7 Wiring Diagram To do list 7 3 Model RFG299AA 7 LCD https appliancetechmanuals com ...
Page 191: ...7 Wiring Diagram To do list 7 4 Model RFG294AA SEARS https appliancetechmanuals com ...
Page 194: ...8 2 CIRCUIT DIAGRAM 8 2 1 Main To do list 8 Schematic Diagram https appliancetechmanuals com ...
Page 208: ...The End Thank you https appliancetechmanuals com ...