58
TROUBLESHOOTING
Error items
Details
How to Self-Diagnose
Ice Maker Sensor
Error
R-Sensor Error
R-DEF-Sensor
Error
R-FAN Error
Ice Maker Error
R-DEF. Error
Ambient-Sensor
Error
F-Sensor Error
F-DEF-Sensor Error
F-FAN Error
C-FAN Error
Ice Room Sensor
Error
F-DEF. Error
Ice Room-FAN
Error
Pantry-Damper-
Heater Error
Pantry-Sensor Error
Panel Main
Communication Error
Water Tank-Heater
Error
Sensor connector missing; contact failure,
electric wire cut, short-circuit; sensor itself
failure and so on.
Temperature error code displays when the
sensing temperature is more than 149 (+65 )
or less than -58 (-50 ).
Refrigerator Fan motor operation failure;
feedback signal line contact failed, electric wire
cut, short-circuit and so on
The voltage of MAIN PCB CN90#3 <-> CN90#4 : shall be
between 4.5V~1.0V.
The voltage of MAIN PCB CN30#6 <->CN76#1 : shall be
between 4.5V~1.0V.
The voltage of MAIN PCB CN30#8 <-> CN76#1 : shall be
between 4.5V~1.0V.
The voltage of MAIN PCB CN76-4 Orange <-> 1 Gray shall be
between 7V~12V.
After replacing ice maker, check the operation by turning the
appliance ON again.
The voltage of MAIN PCB CN31#1 <-> #4 : shall be between
4.5V~1.0V.
The voltage of MAIN PCB CN30#3 <-> CN76#1 : shall be
between 4.5V~1.0V.
The voltage of MAIN PCB CN30#4 <-> CN76#1 : shall be
between 4.5V~1.0V.
The voltage of MAIN PCB CN76-3 Yellow <-> 1 Gray shall be
between 7V~12V.
The voltage of MAIN PCB CN76-2 Black <-> CN76-1 Gray :
shall be between 6V~12V.
Actually, If there is not a problem, it is desirable to replace
Main and Panel PCB with the oscilloscope after a cable
problem confirming.
After separating MAIN PCB CN79 from PCB, the resistant value
between Pink <-> White wire shall be 72 ohm 7%.
0 Ohm : heater short, infinite Ohm : wire / bimetal Open.
After separating MAIN PCB CN91 from PCB, the resistant value
between Black <-> brown wire shall be 145 ohm (+/-) 7%.
0 Ohm : heater short, infinite Ohm : wire / bimetal Open.
The voltage of MAIN PCB CN30#9 <-> CN76#1 :
shall be between 4.5V~1.0V.
The voltage of MAIN PCB CN76-5 Sky-blue <-> 1 Gray shall
be between 7V~12V.
The voltage of MAIN PCB CN31#3 <-> CN76#1 :
shall be between 4.5V~1.0V.
After separating MAIN PCB CN70,CN71 from PCB, the resistant
value between CN70 brown <-> CN71 Orange shall be 55(220) ohm
(+/-) 7%. (Resistant value is varied by input power)
0 Ohm : heater short, infinite Ohm : wire / bimetal Open.
After separating MAIN PCB CN70,CN71 from PCB, the resistance
value between CN70 White <-> CN71 Orange shall be 110(441) ohm
(+/-) 7%.
(Resistant value is varied by the input power)
0 Ohm : heater short, infinite Ohm : wire / bimetal Open.
Ice-ejector and level failed three times or more
than that.
Freezer Fan motor operation failure; feedback
signal line contact failure, motor's electric wire
missing and so on.
Condenser Fan motor operation failure;
feedback signal line contact failure, motor's
electric wire missing and so on.
Freezer Fan motor operation failure; feedback
signal line contact failure, motor's electric wire
missing and so on.
Communication error displays with alarm when
communication between MICOM MAIN and
PANEL is not available for 10sec.
Error displays when Water Tank Heater Open is
detected: separation of housing part, bad
contact, wire disconnection etc.
Error displays when Damper Heater Open is
detected: separation of Damper Heater housing
part, bad contact, wire disconnection, short
circuit etc.
Sensor connector missing; bad contact, electric
wire cut, short circuit and so on.
Temperature error code displays when the
sensing temperature is more than 149 (+65 )
or less than -58 (-50 ).
Sensor connector missing; contact failed,
electric wire cut, short circuit and so on.
Temperature error code displays when the
sensing temperature is more than 149 (+65 )
or less than -58 (-50 ).
Sensor connector missing; contact failed,
electric wire cut, short-circuit; temperature fuse
failure and so on. In the freezer room, if frost
removal mode is finished due to limited time of
70 minutes. Error is displayed.
Sensor connector missing; contact failed,
electric wire cut, short-circuit; temperature fuse
failure and so on. In the refrigerator room, if frost
removal mode is finished due to limited time of
80 minutes. Error is displayed.
Sensor connector missing; contact failed,
electric wire cut, shortcircuit; sensor itself failure
and so on Temperature error code displays
when the sensing temperature is more than 149
(+65 ) or less than -58 (-50 ).
Self-Diagnosis Details
Summary of Contents for RFG299AA series
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