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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 ConnectorCN90#4
(White) and REG1
Is input voltage of IC01
MICOM #78 normal?
Start
NO
YES
YES
YES
YES
Replace the ICE Maker
NO
Check the contact of PCB & Wire Terminal
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#8 #4 measuring resistance value
** 0: Short trouble / : Open trouble
Sensor MICOM/Connector number
Voltage measured between 4.6V ~ 0.6V.
Measuring voltage of IC01 MICOM #78,
CN90-"4"(White) and REG1, HEAT SINK
from PCB typical Ground part are similar.
Check the measure on the SENSOR
MARKING #9(R901) due to the SMD MICOM
Checking method of ICE Maker Sensor resistance CN90#
"8(Sky-blue) #4"(White)
- Compare the temperature table after the measure.
DATA1.
Temperature table
ERROR Code
Refer to circuit diagram in the manual
ICE
Maker
Connector CN90#"4"(White) and
REG1 HEAT PCB common Ground
typical PCB Ground
REG1 HEAT-SINK
2¢(-17¡) is recommended 38¢(3¡) is recommended
Checking method of ICE Maker Sensor voltage
- Measure the voltage of Sensor Check Point #9(IC01 MICOM #78)
or CN90#4(White) REG1, HEAT SINK.
- Compare the temperature table after the measure. Measuring
voltage of CN90#4(White) REG1, HEAT SINK are below.