69
TROUBLESHOOTING
- The error of sensor will be displayed on the front of display.
when the error of sensor is detected at initial power ON, the appliance will not operated and display
of abnormal sensor part will blink.
- The appliance will not stop operating when the error of sensor is detected during operation of the
appliance.
But normal freezing might be not operated if the appliance is operated by the emergency operation
mode. You would better to check the appliance according to the self-diagnosis of the manual.
4-2-1. If the trouble is detected by self-diagnosis
1) If ICE Maker Sensor has trouble
Bad contact of connector/ insert correctly
Is MAIN PCB Connector
CN90 inserted correctly?
Is ICE Maker Sensor
unit normal?
Is the voltage between
MAIN PCB Connector CN90#"4"(White) and
REG1, HEAT SINK normal?
Is input voltage of IC01
MICOM #78 normal?
Start
NO
YES
YES
YES
YES
Replace the temperature sensor
NO
Recheck the wire connection part
NO(0.6V > Measurement < 4.6V)
Check the iced-solder, solder
bridging, disturbed solder.
NO
No trouble with PCB and temperature sensor.
Recheck the bad contact of the connection.
** Measuring point of resistance value according to
Sensor **
ICE MAKER: CN90#1
↔
#7 measuring resistance value
** 0
Ω
: Short trouble /
∞Ω
: Open trouble
Sensor MICOM/Connector number
Voltage measured between 4.6V ~ 0.6V.
Measuring voltage of IC01 MICOM #89,
CN90# ”1” (Brown) and REG1, HEAT SINK from
PCB typical Ground part are similar.
→
Check the measure on the Resistance, R914due to
the SMD MICOM
☞
Checking method of ICE Maker Sensor
resistance CN90 "1"(Brown)
↔
"7"(Gray)
- Compare the temperature table after the
measure.
DATA1.
Temperature table
ERROR Code
Refer to circuit diagram in the manual
ICE
Maker
Connector CN90# ”±1”(Brown)and
REG1 HEAT-SINK PCB common Ground
☞
Checking method of ICE Maker Sensor resistance
- Measure the Resistance R914(IC01 MICOM #89)
on PCB or CN90 "1"(Brown)
↔
REG1, HEAT SINK
- Compare the temperature table after the measure.
Measuring voltage of CN90#4(White)
↔
REG1,
HEAT SINK are below.
typical PCB Ground
REG1 HEAT-SINK
AW3 SM-EN 2011.3.31 2:56 PM 페이지69 in
Содержание RF4287HARS
Страница 17: ...18 PRODUCT SPECIFICATIONS 2 5 Dimensions of Refrigerator Inches AW3SM EN2011 3 312 52PM 18 in...
Страница 20: ...21 PRODUCT SPECIFICATIONS 2 7 1 PRINCIPLE OF FREEZEER BACK CLUSTER PIPE AW3SM EN2011 3 312 52PM 21 in...
Страница 86: ...87 TROUBLESHOOTING IPM FREEWHEELING DIODE VOLTAGE VALUE AW3SM EN2011 3 312 56PM 87 in...
Страница 96: ...97 TROUBLESHOOTING SPM Internal DIODE Voltage AW3SM EN2011 3 312 56PM 97 in...
Страница 98: ...99 TROUBLESHOOTING INVERTER PCB Circuit Diagram AW3SM EN2011 3 312 56PM 99 in...
Страница 115: ...116 EXPLODED VIEW PARTS LIST 5 6 Disassembly of Door Refrigerator R 5 1 3 2 6 4 5 5 AW3SM EN2011 3 312 57PM 116 in...
Страница 122: ...123 6 3 Connector Layout with part position Main Board PCB DIAGRAM 6 3 1 RF4287HA AW3SM EN2011 3 312 57PM 123 in...
Страница 123: ...124 6 4 Connector Layout with part position Inverter Board PCB DIAGRAM 6 4 1 RF4287HA AW3SM EN2011 3 312 57PM 124 in...
Страница 124: ...125 7 1 Model RFG295AA BETTER 7 WIRING DIAGRAM BLU BLU AW3SM EN2011 3 312 57PM 125 in...
Страница 125: ...126 7 2 Model RF4287AA BEST 7 WIRING DIAGRAM AW3SM EN2011 3 312 57PM 126 in...
Страница 126: ...127 7 3 Model RFG299AA 7 LCD 7 WIRING DIAGRAM BLU BLU AW3SM EN2011 3 312 57PM 127 in...
Страница 127: ...128 7 4 Model RFG294AA SEARS 7 WIRING DIAGRAM AW3SM EN2011 3 312 57PM 128 in...
Страница 128: ...129 8 1 Whole block diagram 8 SCHEMATIC DIAGRAM 8 1 1 MAIN BLOCK RF4287 AW3SM EN2011 3 312 58PM 129 in...
Страница 129: ...130 8 SCHEMATIC DIAGRAM 8 1 2 INVERTER BLOCK RF4287 AW3SM EN2011 3 312 58PM 130 in...
Страница 130: ...131 8 2 CIRCUIT DIAGRAM SCHEMATIC DIAGRAM 8 2 1 MAIN AW3SM EN2011 3 312 58PM 131 in...
Страница 131: ...132 SCHEMATIC DIAGRAM 8 2 2 INVERTER AW3SM EN2011 3 312 58PM 132 in...