79
TROUBLESHOOTING
11) Ice Duct Heater(option) has trouble
1) Wire connector
2) Replace Heater
Is MAIN PCB
connector (CN51,CN79,CN76)
inserted correctly?
Is the input voltage of IC01
MICOM #50 normal?
Start
NO
YES
YES
YES
Bad contact of connector/ insert correctly
NO
1) Recheck the wire
2) Replace PCB MAIN
NO
Normal(recheck)
ERROR Code
☞
Checking method of Flex Room Damper
resistance CN51-"2"(Brown)
↔
CN79-"2"(Yellow)
**
∞Ω
: Open(wire disconnection, heater
disconnection) trouble / 0
Ω
: Short trouble
Start
YES
YES
YES
Is Tank Water Heater
normal?(about 60ohm)
Is Tank Water Heater
normal?(about72ohm)
Heater
Connector
ohm
Ice Duct
CN51-#2
↔
CN79-#2
60ohm
±
7%
Heater
Micom
(IC01)
Initial
power On
Heater
off
Working
heater
#50
3.5V ~
4.8V
3.5V ~
4.8V
0V
Ice Duct
AW3 SM-EN 2011.3.31 2:56 PM 페이지79 in
Summary of Contents for RF4287HARS
Page 17: ...18 PRODUCT SPECIFICATIONS 2 5 Dimensions of Refrigerator Inches AW3SM EN2011 3 312 52PM 18 in...
Page 86: ...87 TROUBLESHOOTING IPM FREEWHEELING DIODE VOLTAGE VALUE AW3SM EN2011 3 312 56PM 87 in...
Page 96: ...97 TROUBLESHOOTING SPM Internal DIODE Voltage AW3SM EN2011 3 312 56PM 97 in...
Page 98: ...99 TROUBLESHOOTING INVERTER PCB Circuit Diagram AW3SM EN2011 3 312 56PM 99 in...
Page 124: ...125 7 1 Model RFG295AA BETTER 7 WIRING DIAGRAM BLU BLU AW3SM EN2011 3 312 57PM 125 in...
Page 125: ...126 7 2 Model RF4287AA BEST 7 WIRING DIAGRAM AW3SM EN2011 3 312 57PM 126 in...
Page 126: ...127 7 3 Model RFG299AA 7 LCD 7 WIRING DIAGRAM BLU BLU AW3SM EN2011 3 312 57PM 127 in...
Page 127: ...128 7 4 Model RFG294AA SEARS 7 WIRING DIAGRAM AW3SM EN2011 3 312 57PM 128 in...
Page 129: ...130 8 SCHEMATIC DIAGRAM 8 1 2 INVERTER BLOCK RF4287 AW3SM EN2011 3 312 58PM 130 in...
Page 130: ...131 8 2 CIRCUIT DIAGRAM SCHEMATIC DIAGRAM 8 2 1 MAIN AW3SM EN2011 3 312 58PM 131 in...
Page 131: ...132 SCHEMATIC DIAGRAM 8 2 2 INVERTER AW3SM EN2011 3 312 58PM 132 in...