16
Micom Function
2-10. Function of Trouble Diagnosis (88-LED)
1. Failure diagnosis function is function to facilitate service when nonconforming matters affecting performance of product
during use of product.
2. In occurrence of failure, pressing the function adjustment button does not perform function and only alarm sound (Ding)
rings.
3. If nonconforming matters occurred are released during display of failure code, MICOM returns to the original state
(Reset).
4. Failure code is displayed on the display part of setting temperature for the freezing room and the display part of setting
temperature for the cold storage room of LED, which are placed at the display part of a refrigerator. All the LED graphics
other than a failure code are turned off.
NOTE1) “Er rt”, “Er SS”, “Er r2”, Appears on the display when Ice Plus key and Freezer Temp. Key pressed at the same time for 1 sec.
NOTE2) Except 3 Errors displayed above, all the errors are displayed on the panel after 3 hours from the initial error.
NOTE3) All the errors can be displayed within the 3-hour period upon pressing the Ice Plus. key and the Freezer Temp. key at the same time for
1 second or longer.
ABNORMAL
FREEZER SENSOR
1
ON FOR 30
MINUTES/
OFF FOR 10
MINUTES
FREEZER SENSOR SHORT&OPEN
CIRCUIT
Er
FS
Er
rS
Er
r2
F
dS
r
dS
F
dH
r
dH
Er
FF
Er
rF
Er
CF
Er
CO
Er
rt
Er
SS
ABNORMAL FREEZER DEFROST
SENSOR
4
ABNORMAL REFRIGERATOR
DEFROST SENSOR
5
FAILED FREEZER DEFROSTING
6
7
FAILED REFRIGERATOR
DEFROSTING
8
ABNORMAL FREEZER FAN
MOTOR
9
ABNORMAL REFRIGERATOR FAN
MOTOR
10
ABNORMAL CONDENSOR FAN
MOTOR
11
ABNORMAL COMMUNICATION
12
ABNORMAL AMBIENT SENSOR
13
ABNORMAL WATER TANK
SENSOR
NO
DETROST
NO
DETROST
DEFROST HEATER, TEMPERATURE
FUSE SHORT CIRCUIT, UNPLUGGED
CONNECTOR (INDICATED 4 HOUR
LATER AFTER TROUBLE)
MORTOR DEFECT, HOKED OF LEAD
WIRE TO FAN CONTACT OF
STRUCTURE WITH FAN, SHORT OR
OPEN OF LEAD WIRE(THERE NO
SIGNAL OF BLDC FAN MOTOR MORE
THAN 65 SECONDS IN OPERATION
OF FAN MOTOR
SHORT OR OPEN OF LEAD WIRE
CONNECTING BETWEEN MAIN PCB
AND DISPLAY PCB, TRANSMISSION
TR AND RECEIVING PART.
AMBIENT SENSOR SHORT&OPEN
CIRCUIT
WATER TANK SENSOR
SHORT&OPEN CIRCUIT
ABNORMAL REFRIGERATOR
SENSOR1(R1)
(UPPER PART IN THE
REFRIGERATOR COMPARTMENT)
2
REFRIGERATOR SENSOR(R1)
SHORT&OPEN CIRCUIT
ABNORMAL REFRIGERATOR
SENSOR2(R2)
(UPPER PART IN THE
REFRIGERATOR COMPARTMENT)
3
REFRIGERATOR SENSOR(R2)
SHORT&OPEN CIRCUIT
REFRIGERATOR DEFROST SENSOR
SHORT&OPEN CIRCUIT
FREEZER DEFROST SENSOR
SHORT&OPEN CIRCUIT
NO
ITEM
CONTENTS OF FAILURE
COMPRESSOR
FREEZER
FAN MOTOR
REFRIGERATOR
FAN MOTOR
CONDENSER
FAN MOTOR
FREEZER
DEFROST
HEATER
REFRIGERAT-
OR DEFROST
HEATER
FAILURE CODE INDICATION PART
FREEZER ROOM
NOTCH
TEMPERATURE
DISPLAY
REFRIGERATOR
ROOM NOTCH
TEMPERATURE
DISPLAY
PRODUCT OPERATION STAUS IN FAILURE
CAUTION
1) DEFECT FAILURE CODE IS INDICATED ON THE DISPLAY PART OF SETUP TEMPERATURE FOR THE COLD STORAGE ROOM AND
OF SETUP TEMPERATURE FOR THE FREEZING ROOM, AND THE OTHER DISPLAY PART IS TURNED OFF.
2) MAKE A PROPER OPERATION THROUGH REAPPLICATION AFTER ALWAYS TURNING OFF POWER WHEN DIAGNOSING FAILURE
AND FINISHING TEST MODE.
MICOM FAILURE DIAGNOSIS TABLE
(1) FAILURE DIAGNOSIS FUNCTION
: PROPER OPERATION
Error Code
Error Code
