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1-16 Failure Diagnosis
Error Code Diagnosis
• When an error occurs, the buttons will not operate; but the tones still sound.
Er FS
R2-SENSOR (LOWER SENSOR IN
WATER TANK SENSOR ............................................................DEFFECTIVE: “LOCK” INDICATOR WILL NOT BE LIT
AMBIENT SENSOR....................................................................DEFFECTIVE: “Er rt”IS SHOWN IN THE DISPLAY
ERROR CODE on display panel
• After the repair is made, it is necessary to replug in the refrigerator to reset to normal operation.
NORMAL
OPERATION
DEFECTIVE
DEFROST HEATER
COMUNICATION
BETWEEN PCB
AND DISPLAY
FREEZER SENSOR
SHORT / OPEN CIRCUIT
POSSIBLE
CAUSES
ERROR CODE
REFRIGERATOR (R1)
SENSOR SHORT / OPEN
CIRCUIT
DESFROST SENSOR
SHORT / OPEN CIRCUIT
DEFROST HEATER,
TEMPERATURE FUSE OPEN,
MOTOR DEFECTIVE, FAN
BLADE OBSTRUCTED,
UNPLUGGED CONNECTOR
SHORT / OPEN WIRE OF FAN
MOTOR.
MOTOR DEFECTIVE, FAN
BLADE OBSTRUCTED,
SHORT / OPEN WIRE OF FAN
MOTOR.
AMBIENT SENSOR
SHORT / OPEN CIRCUIT
WATER-TANK SENSOR
SHORT / OPEN CIRCUIT
REFRIGERATOR (R2)
SENSOR
SHORT / OPEN CIRCUIT
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
NORMAL
OPERATION
(SEE NOTE1)
(SEE NOTE1)
(SEE NOTE1)
BY PRESSING AND HOLING FREEZER TEMPERATURE ADJUST BUTTON AND ULTRA ICE BUTTON ALL LEDS ON THE CONTROL BOARD WILL LIGHT ON.
NOTE 1:
THE BELOW ITEMS WILL NOT DISPLAY IN ERROR CODE, TO CHECK THIS ITEMS PRESS AND HOLD FREEZER TEMPERATURE ADJUST BUTTON AND
ULTRA ICE BUTTON FOR AT LEAST ONE SECOND.
REFRIGERATOR COMPARTMENT).........................................DEFFECTIVE: “ULTRA ICE” INDICATOR WILL NOT BE LIT