2-8. Function of Trouble Diagnosis
1. Function of trouble diagnosis is to make the repair service easy when the refrigerator is out of order during service.
2. The function control button does not work but the recognition sound is heard when the refrigerator is out of order.
3. It returns to normal conditions when trouble code led is off. (reset)
4. Trouble code is indicated by the freezing temperature indicator led in the refrigerator display. All leds except trouble code
are off.
MICOM FUNCTION
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Trouble Code Indicator
Operation conditions during Trouble
No. Trouble Troubles Freezer Defrost
Step motor
F4 F3 F2 F1
Compressor
Fan Heater Damper
1
Abnormal Freezer
lll
Freezer sensor short
15 min. on/
Standard
ˇ ˇ
sensor.
15 min. off
RPM
Abnormal Refrigerator
2
sensor 1 (R1)
lll
Refrigerator sensor 1 short circuit
ˇ
Standard
ˇ
Note 2)
(Upper part in the RPM
refrigerator compartment)
Abnormal Refrigerator
3
sensor 2
(lower part
Note 1)
Refrigerator sensor 2 short circuit
ˇ
Standard
ˇ ˇ
in the refrigerator RPM
compartment)
4
Abnormal Defrost
lll
Defrost sensor short circuit
ˇ
Standard No
ˇ
sensor RPM defrosting
Failed defrosting Defrost Heater, Temperature Fuse
5
short circuit.
ˇ
Standard
ˇ ˇ
Unplugged Connector RPM
(Indicated 4 hour later after trouble)
Abnormal Open Air
Open air temperature detecting sensor
6 Temperature Note 1)
short circuit
ˇ ˇ ˇ
Detecting sensor
7
Abnormal
Note 1)
Defrost sensor
short circuit.
ˇ ˇ ˇ ˇ
ice making sensor
Abnormal Faulty I
ce Maker Unit Motor or
8 ice maker unit
Note 1)
Hall IC, L/Wire short circuit. ˇ
Standard
ˇ ˇ
Faulty motor driving circuit.
RPM
: On l : Off ˇ : Normal
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