LG GR-J213BSD Owner’s Manual
REFRIGERATOR
http://biz.lgservice.com
SERVICE
CAUTION
IN
THE
THIS
BEFORE
PRECAUTIONS"
SERVICING
UNIT,
MANUAL.
MANUAL
READ
THE
"SAFETY
MODEL:
GR-J323
GR-J213
GR-J403
GR-J303
GR-J408
SAFETY
INSTRUCTIONS
1.
Firstly
2.
Perform
3.
Weararubber
4.
Always
5.
Exercise
6.
Take
care
or
backward.
7.
Ensure
insideofthe
check
work
check
to
that
thereiselectrical
always
gloves(insulation
rated
care
so
that
so
that
things
Especially,
consult
cycle
the
gets
after
current,
water
should
take
repair
a
room
removing
gloves)
voltage
does
not
care
and
maintenance
dirty).
leakage
the
power
for
and
capacityinusing
not
enter
fall
down
of
thin
in
the
main
plugsinhandling
preventing
into
electrical
by
removing
things
(glass
center
body
electrical
parts
panels,
shop
of
the
instruments.
them
when
the
product.
with
shock
around
cleanly
books).
the
the
the
cold
part
accident
machine
on
the
storage
where
electricity
in
case
room.
product
when
cycleisdamaged
of
testing
conducts
with
leaning
the
(to
through.
power
product
prevent
on.
forward
that
gas
1.
Product
2.
Circuit
3.
MICOM
4.
Exploded
Specifications
Diagram
Function
....................................................................................................................................................................7
and
View
and
CONTENTS
..........................................................................................................................................................3
of
Explanations
Service
Parts
Circuits
List
................................................................................................................................40
....................................................................................................................8
-2-
1.
1-1.
GR-J323
PRODUCT
/
GR-J403
SPECIFICATIONS
/
GR-J408
Capacity
Dimensions
Motor
Power
Cooling
Defrosting
System
ITEMS
Rating
Net
Top
Middle/Bottom
Compartment
Net
Weight
Insulation
Capacity
Compartment
(mm)
Consumption
Method
Method
Start
End
Evaporation
SPEC
220V/50 220V/60
297
155
142
664(W)X666(D)
112
Kg
(Standard:100
120
Indirect
Light
Cooling
Force
Automation
Automation
Force
Polyurethane
127V/60
L
L
L
1764(H)
Kg)
W
System
Foam
Evaporation
Storage
Low
temperature
Cooling
Cycle
Basket
Container
Drawer
Shelf
Door
Flap
Deodorization
Compressor
Evaporator
Top
Evaporator
Middle
Condenser
Refirgerant
Dish
Catalyst
of
Compartment
of
Compartment
2
1
EA
(Behind)
2EA
14
EA
3EA
1EA
1EA
2EA
LX72LBEG
EA
Wire
Condenser,
LX67LABM
Fin
Fin
R134a
Tube
Tube
Back
Type
Type
(160
Plate
g)
LX67LAFM
Condenser
Refrigerant
Defrosting
Device
Oil
-3-
Freol@15G
Heater,
(310
Sheath
cc)
ITEMS
SPEC
Electrical
System
Rating
P.T.C
Overload
Fan
Fan
Cooling
Protector
Motor(Top)
Motor(Middle)
Condenser
Fan
Motor
Defrosting
Heater
Front-C
Damper
Middle
Heater
heater
Fuse-M(Top)
Fuse-M(Middle)
Protection
Fuse
Capacitor,
Top
R
P470MC
4TM276TFB
220V180
-5
P470MD
4TM265RFB
Ø110
Fan
Ø110
Fan
Ø110
Fan
220V180W
wave
Cutted
Cutted
250V9A
㎌
90
W)
at
70
°C
at
70
°C
/
400Vac
W(Half
154V7W 127V7W
66V3W 35V3W
127V180
4TM412TFB
127V180W
14㎌
P220MD
W(Half
/
wave
250Vac
90
W)
-4-
1-2.
GR-J213
/
GR-J303
Capacity
Dimensions
Motor
Power
Cooling
Defrosting
System
ITEMS
Rating
Net
Top
Middle/Bottom
Compartment
Net
Weight
Insulation
Capacity
Compartment
(mm)
Consumption
Method
Method
Start
End
Evaporation
SPEC
220V/50 220V/60
196
54L
142
666(W)X666(D)
100
120
Indirect
Light
Cooling
Force
Automation
Automation
Force
Polyurethane
127V/60
L
L
1314(H)
Kg
W
System
Foam
Evaporation
Storage
Low
temperature
Cooling
Cycle
Basket
Container
Drawer
Shelf
Door
Flap
Deodorization
Compressor
Evaporator
Top
Evaporator
Middle
Condenser
Refirgerant
Dish
Catalyst
of
Compartment
of
Compartment
MA69LAEG
1
MA57LADM
Fin
Fin
Wire
R134a
EA
3EA
10
2EA
Tube
Tube
Condenser
(Behind)
EA
-
-
-
Type
Type
(130
MA57LAFM
g)
Refrigerant
Defrosting
Device
Oil
-5-
Freol@15G
Heater,
(220
Sheath
cc)
ITEMS
SPEC
Electrical
System
Rating
P.T.C
Overload
Fan
Fan
Cooling
Protector
Motor(Top)
Motor(Middle)
Condenser
Fan
Motor
Defrosting
Heater
Front-C
Damper
Middle
Heater
heater
Fuse-M(Top)
Fuse-M(Middle)
Protection
Fuse
Capacitor
Top
P330MC
4TM293RFB
220V180
-5
P330MD
4TM213SFB
Ø110
Fan
Ø110
Fan
Ø110
Fan
220V180W
wave
Cutted
Cutted
250V9A
㎌
90
W)
at
70
°C
at
70
°C
/
400Vac
W(Half
154V7W 127V7W
66V3W 35V3W
127V180
4TM412TFB
127V180W
12㎌
P6R8MD
W(Half
/
wave
250Vac
90
W)
-6-
2.
CIRCUIT
DIAGRAM
-7-
3.
3-1.
3-1-1.
(1)
GR-J323
MICOM
EXPLANATION
DISPLAY
/
GR-J403
FUNCTION
OF
PART
/
GR-J408
FUNCTION
AND
EXPLANATIONS
OF
CIRCUITS
NOTCH
Temperature
setting
Lock
Unlock
Lock
Date
Frz./
Frz.
Deep
-25°C -15°C -18°C -21°C
Frz.
Min Mid
Upper
Middle
Lower
Upper
Middle
Max
Meat
Min Mid
-1.0°C
Veg.
Frz.
Veg.
Soft
Veg.
Veg.
Frz.
Veg.
Soft
&
Fish
Max
-2.5°C -4.0°C -7.0°C
&
Fruit
Soft
Date
Soft
&
Fruit
Meat
Frz.
&
&
Fruit
Fruit
Date
Deep
Soft
&
Fruit
Meat
Frz.
Frz.
Veg.
Min Mid
4.5°C 3.5°C 2.5°C
Frz.
Frz.
&
Fish
Ref.
Frz.
Frz.
&
Fish
&
Fruit
Min
Min
Min
Min
Min
Max
Date
Ref./
Min Mid
5°C 3°C
Max
Max
Max
Max
Max
Ref.
Max
1°C
1.
2.
3.
MICOM
room
MICOM
Buzzer
Unlock
becomes
as
maintains
sound
"Veg.
&
Fruit"
neither
"Lock"
the
Lower
status
"Mid",
previous
ever
ring
in
and
display
pressing
initial
the
Veg.
application
lower
room
status
the
buttonin"Lock"
&
Fruit
of
as
"Veg.
in
power
power,
failure
&
-8-
and
Fruit"
status,
Ref.
the
upper
"Mid".
and
re-application
nor
room
performs
is
indicated
of
power.
function.
Min
Max
as
"Frz."
"Mid",
the
middle
(2)
GR-J213
/
GR-J303
NOTCH
Temperature
setting
Lock
Unlock
Lock
Date
Frz./
Frz.
Deep
-22°C -17°C -18°C -19°C
Frz.
Min Mid
Upper
Middle
Lower
Upper
Middle
Max
Meat
Min Mid
-1.0°C
Veg.
Frz.
Veg.
Soft
Veg.
Veg.
Frz.
Veg.
Soft
&
Fish
Max
-2.5°C -4.0°C -7.0°C
&
Fruit
&
Fruit
Soft
Date
Meat
Frz.
&
&
&
Fruit
Fruit
Fruit
Date
Deep
Meat
Frz.
Frz.
Frz.
Ref.
Veg.
Min Mid
4.5°C 3.5°C
&
Fish
Frz.
&
Fish
&
Fruit
Min
Min
Min
Min
Min
Max
2.5°C5
Date
Ref./
Min Mid
°C3
Max
Max
Max
Max
Max
°C1
Ref.
Max
°C
1.
2.
3.
MICOM
room
MICOM
Buzzer
Unlock
becomes
as
maintains
sound
"Veg.
&
Fruit"
neither
"Lock"
the
Lower
status
"Mid",
previous
ever
ring
in
and
display
pressing
initial
the
application
lower
room
status
the
buttonin"Lock"
Veg.
in
power
as
&
of
power,
"Veg.
Fruit
&
failure
and
the
Fruit"
"Mid".
and
re-application
status,
Ref.
upper
nor
room
performs
is
indicated
of
power.
function.
Min
Max
as
"Frz."
"Mid",
the
middle
-9-
3-1-2.
(1)
TYPE
Keeping
OF
food
FOOD/SELECTION
per
compartment
OF
KEEPING
GR-J323
TEMPERATURE
/
GR-J403
/
GR-J408
Function
Date
Meat&Fish.
Veg
Date
Function
Date
Meat&Fish.
Veg
Frz.
Frz.
Soft
Ref/Ref.
Frz.
Frz.
Soft
(GR-J323)
/
Deep
Frz.
&
Fruit
(GR-J213)
/
Deep
Frz.
&
Fruit
Frz.
Frz.
Upper
Upper
Compartment
GR-J213
Compartment
/
GR-J303
Middle
Middle
Compartment
Compartment
Lower
Lower
Compartment
Compartment
Date
(2)Inselecting
1.
Set
the
Micom
2.
Set
the
Micom
3.
Select
food
4.
Complete
as
lock
status
selectionoffood
(3)Inselecting
1.
Set
the
Micom
2.
Set
the
Micom
3.
Select
NOTCH
4.
Complete
as
lock
status
selectionoffood
Ref/Ref.
of
type
to
keeping
food
to
"Unlock"
to
SelectofFood
keepbyturning
and
selectionoffood
temperature
to
"Unlock"
to
Select
to
keepbyturning
and
selectionoffood
status
by
pressing
Typebypressing
the
"Select"
keepingbypressing
type
status
by
pressing
of
Keeping
Temperaturebypressing
the
"Select"
keepingbypressing
type
the
dialatthe
is
completed
the
is
completed
"Lock/Unlock"
the
right
the
"Lock/Unlock"
"Lock/Unlock"
dialatthe
the
"Lock/Unlock"
"FOOD"
side
ifaminute
right
ifaminute
button
buttonatthe
of
display.
button.Inthis
has
passed
button
the
"TEMP"
side
of
display.
button.Inthis
has
passed
for
more
right
without
for
more
buttonatthe
without
than2seconds.
side
of
display.
the
case,
Micom
pressing
than2seconds.
right
the
case,
Micom
pressing
automatically
the
side
of
automatically
the
"Lock/Unlock"
display.
"Lock/Unlock"
becomes
button.
becomes
button.
-10-
3-1-3.
(1)
Temperature
1.
Turn
by
opening
2.
However,
middle/lower
TEMPERATURE
COMP,
the
cooling
control
upper
compartment
3-way
of
the
compartment
CONTROL
at
upper
valvetothe
upper
compartment
is
cooling
AT
UPPER,
compartment
fan
motor
upper
compartment.
(Max25min).
depending
starts
after
MIDDLE
on
AND
temperature
cooling
of
LOWER
the
Middle/lower
of
the
COMPARTMENT
upper
compartment
compartment
sensor
is
completed
and
cool
while
them
the
(2)
Temperature
1.Turn
COMP,
them
by
opening
2.
However,
upper
compartment
(3)
Operation
1.
COMP
turns
2.
COMP
turns
(4)
Operation
1.
2.
Open
Perform
the
operation
(unsatisfactory
the
valvetoother
input
case.
LOCK
"Lock"
the
"Lock"
lower
of
all
sound
LED
with
middle,
3.
In
when
other
3-1-4.
1.
The
2.
Turn
3.
Buzzer
"Lock"
4.
The
minute
control
middle
cooling
conditions
on
offbythe
conditions
upper,
compartment
the
3-way
of
the
is
the
by
middle
for
at
middle/lower
cooling
of
upper
upper
of
and
minimum
temperature)
side.Inthis
compartment)
initial
power,
cool
upper/middle/lower
FUNCTION
LEDisturned
"Unlock"
neither
turned
LED
the
"Unlock"
LED
automatically
on
by
rings
on.
LED
middle/lower
fan
valvetothe
(Max35min).
COMP
compartment
compartment
3-way
lower
25
at
the
case,
have
from
the
compartment
(DISPLAY
in
the
pressing
ever
by
turns
turned
compartment
motor
middle/lower
compartment
valve
compartment
minutes
other
side
immediately
not
passed.
upper
BUTTON
Lock
status
the
Lock/Unlock
pressing
on
and
on.
depending
on
temperature
compartment
starts
after
sensor
sensor,
is
and
middle
valvebythe
35
minutes
(for
while
COMP
cutoff
compartment
not
satisfactory,
lower
compartment
at
operates
the
valve
where
LOCK/UNLOCK)
in
applicationofrefrigerator
button
for2seconds
button
lock
other
status
any
becomes
,and
cooling
compartment
middle
upper,
middle,
and
than
lower
with
if
temperature
the
upper
firstly
the
unless
of
the
opening
of
the
upper
sensor.
sensor
or
compartment)
the
valve
compartment
cool
from
power.
or
more
Lock/Unlock
operating
middle/lower
the
middle/lower
compartment
and
lower
lower
compartment
opened
is
met
the
to
allow
button,
the
compartment
even
is
middle,
operation
display
compartment
damper.
is
completed
sensor
upon
request
in
one
side,
if25minutes
Data
Frz.
lower
compartment
nor
performs
button
(Deep
of
for
sensor
sensor.
of
and
the
function
more
.
"open"
then
minutes
(35
Frz),
display
while
than
and
cutoff
Frz.
for
button.
with
cool
the
for
the
the
a
-11-
3-1-5.
FRONT-C
1.
A
heater
compartment,
2.
It
turns
offinthe
3-1-6.
BUZZER
1.
"Ding~Dong~"
2.
No
buzzer
3-1-7.
POWER
1.
Previous
is
excluded.
3-1-8.
OPERATION
1.
Thisisfunction
refrigerator
changes
HEATER
for
preventionofdewing
and
turnsonat
test
mode
CONTROL
(turn
RINGING
sound
ringsifpressing
FAILURE
rings
when
the
COMPENSATION
operationisperforms
RESPOND
of
maintaining
temperature
according
to
through
ambient
is
installedonthe
the
timeofCOMP
on
after
pressing
button
not
even
applying
TO
AMBIENT
keeping
ambient
temperature
off
power
the
front
according
FUNCTION
power
temperature
temperature
(weak
FRONT-C
ON
and
for
normal
display
to
the
again
TEMPERATURE
constantly
of
cold
in
part
for20minutes
operation).
button.
operation
after
power
irrespective
the
refrigerator
excess
winter,
between
order.
failure.
after
to
cold
the
COMP
However,
of
season
prevent
in
summer).
middle
that
compartment
OFF.
error
by
compensating
the
in-refrigerator
and
statusortest
for
the
lower
mode
status
the
in-
temperature
Keeping
Temperature
(basedon"Mid")
4.0
-0.5
-1.5
Season
3-1-9.
DEFROSTING
1.
Defrostingissimultaneously
compartment
2.
Defrosting
power
3.
Complete
the
upper
However,
middle
4.
Poor
defrostisindicatedifthe
whenever
is
started
failure).
defrosting
compartment,
poor
compartment
if
function
defrostisindicated
°C
°C
°C
(REMOVAL
performedbyusing
sum
of
compressor
sum
of
compressor
where
16°C
for
respectively
defrosting
Spring
OF
defrosting
the
middle
if
not
2
hours
FROST)
operation
operation
compartment
reaching
after
sensor
Operation
the
defrosting
time
sensor
to
7°C
starting
is
poor,
Summer
time
reaches
reaches
temperature
respectively,
for
(16°C
defrost
and
(See
defrosting
General
to
to
4
of
6
hours
each
to
hours.
after
Respond
In
heateratthe
GR-J213)
3-1-11
of
Ambient
Operation
upper
in
room
starting
for
Failure
the
relevant
Temperature
Fall
compartment
of
input
reaches
defrost
the
upper
Diagnosis
initial
to
7°C
work.
compartment,
room
is
and
the
power
(orinreturning
(16°C
Function).
not
done.
Winter
middle
for
16°C
GR-J213)
for
from
for
the
-12-
3-1-10.
Electrical
SEQUENTIAL
compartment,
damage
of
(including
such
parts
single
parts
temporary
as
motor
occurred
power
OPERATION
COMP,
damper
by
failure,
defrosting
that
various
either):
and
OF
ELECTRICAL
heateratthe
FRONT-C
parts
operate
heater
PARTS
&
upper
sequentially
at
the
same
middle
compartment,
operate
time
in
as
input
followers
of
initial
fan
motor
for
power
at
the
upper
preventing
on
and
after
noise
&
test
middle
and
closing
Function
When
POWER
Operation
0.5
SINGLE
sec
ON
MOTOR
DAMPER
0.3
sec
COMP
ON
ON
0.3
sec
Sequence
FRONT
-C
HEATER
ON
10
sec
F-FAN
4~5
SINGLE
sec
ON
MOTOR
DAMPER
OFF
Remarks
defrosting
sensor
temperature
the
compartment
more
than
(In
purchasing,
at
upper
is
45°C
movement)
POWER
ON
In initial power on
When
defrosting
sensor
temperature
the
compartment
less
than
(In
failure,
at
upper
is
45°C
power
service)
0.5
sec
0.5
sec
0.5
sec
DEFROSTING
HEATER
AT
UPPER
COMPARTMENT
ON
4
sec
0.5
sec
3-WAY
VALVE
STEPPING
MOTOR
DAMPER
0.3
sec
FRONT
-C
HEATER
OFF
3-WAY
VALVE
ON
ON
ON
DEFROSTING
HEATER
AT
COMPARTMENT
10
sec
MIDDLE
ON
4
sec
UPPER
COMPARTMENT
FAN
ON
5~6
sec
5~6
sec
3~6
sec
4
sec
SINGLE
MOTOR
DAMPER
DEFROSTING
HEATER
AT
UPPER
COMPARTMENT
OFF
ON
3-WAY
VALVE
OFF
3-WAY
VALVE
OFF
STEPPING
MOTOR
DAMPER
OFF
0.3
sec
10~30
sec
0.3
sec
COMP
DEFROSTING
HEATER
AT
MIDDLE
COMPARTMENT
OFF
ON
SINGLE
MOTOR
DAMPER
OFF
0.3
FRONT
sec
-C
HEATER
ON
No
initial
if
during
is
error
0.3
FRONT
sec
-C
HEATER
ON
operation
done
occurs
operation.
0.5
STEPPING
sec
MOTOR
DAMPER
ON
3~6
sec
STEPPING
MOTOR
DAMPER
OFF
-13-
3-1-11.
(1)
1)
1.
2.
3.
FAILURE
Failure
GR-J323
Failure
during
Functionisneither
The
Mode
/
diagnosis
use
product
(RESET).
4.
LEDs
other
DIAGNOSIS
GR-J403
functionisintended
occurs.
done,
returns
than
failure
/
GR-J408
to
nor
normal
code
FUNCTION
buzzer
operation
turn
off
in
order
sound
rings
if
failureisreleased
in
occurrence
that
service
even
of
when
failure.
is
easily
pressing
during
done
the
display
when
button
of
failure
failuretoaffect
in
occurrence
code
in
performance
of
failure.
occurrence
of
of
the
failure
product
NO
1
Failure
compartment
sensor
2
Failureofmiddle
compartment
sensor
3
Failureoflower
compartment
sensor
4
Failure
compartment
defrosting
5
Failureofmiddle
compartment
defrosting
6
sensor
ambient
temperature
7
Failure
motor
8
Poor
upper
9
Poor
middle
10
Poor
communication
Item
of
upper
of
upper
sensor
sensor
Failure
sensor
of
single
damper
defrosting
compartment
defrosting
compartment
Lock
Unlock
(K1)
(K2)
(K3)
of
at
at
Upper
Middle
Lower
Failure
(Food
F1F2F3F4F5
Note
"Failure
Display
LED)
1)
F1
F2
F3
F4
F5
Display
Upper
or
Middle
disconnected
Lower
or
Upper
disconnected
Middle
disconnected
Ambient
disconnected
When
dectected
motor
When
does
hours
When
does
two
When
done
&
Veg.
Frz.
&
Veg.
Soft
Frz.
&
Veg.
Part"
compartment
shorted
compartment
compartment
shorted
compartment
compartment
temperature
ON/OFF
damper
defrosting
not
reach
have
defrost
not
reach
hours
no
for30seconds
Fruit
Fruit
Fruit
or
shorted
or
shorted
or
shorted
or
shorted
of
even
when
for2minutes
sensor
to
more
after
passed
sensor
to
more
have
passed
communication
Deep
Soft
Meat
Ref.
Failures
sensor
sensor
sensor
defrosting
defrosting
sensor
the
reed-S/W
driving
at
the
than
starting
at
the
than
after
Frz.
Frz.
&
Fish
is
disconnected
is
is
disconnected
sensor
sensor
is
is
the
single
upper
compartment
7°C
even
when
defrost
middle
compartment
16°C
even
starting
is
consecutively
not
when
defrost
is
two
Min
Min
Min
is
Max
Max
Max
*
Check
relevant
Damper
frozen,
IC(photo
Short
of
short
of
drain,
poor
Short
of
short
of
drain,
poor
Taking
TR
on
:ON
Remarks
wiringofrespective
sensor.
motor
damaged,
coil
damaged,
coupler)
temperature
heater,
heater
temperature
heater,
heater
out
of
connector,
communication
failure
fuse,
clogging
driving
fuse,
clogging
driving
driving
:OFF
of
relay
of
relay
Poor
part
Note1)All
and
LEDs
"TEMP"
except
button
for
failure
forasecond
display
LED
where
(F1,
poor
F2,
ambient
F3,
-14-
F4,
F5)
temperature
turn
on
if
simultaneously
sensor
exists.
pressing
both
"FOOD"
button
2)
GR-J213
/
GR-J303
Unlock
NO
1
Failure
compartment
sensor
2
Failureofmiddle
compartment
sensor
3
Failureoflower
compartment
sensor
4
Failure
compartment
defrosting
5
Failureofmiddle
compartment
defrosting
6
Failureofambient
Temperature
sensor
Lock
Item
of
of
upper
upper
sensor
sensor
(K1)
(K2)
(K3)
Upper
Middle
Lower
Failure
(Food
F1F2F3F4F5
"Failure
Display
LED)
Note
F1
F2
F3
F4
F5
1)
Veg.
Frz.
Veg.
Soft
Veg.
Display
Upper
or
Middle
disconnected
Lower
or
Upper
disconnected
Middle
disconnected
Ambient
disconnected
&
&
Frz.
&
Part"
compartment
shorted
compartment
compartment
shorted
compartment
compartment
Fruit
Fruit
Fruit
Failures
or
shorted
or
shorted
or
shorted
temperature
or
shorted
Date
Meat
Date
sensor
is
sensor
is
sensor
is
defrosting
defrosting
sensor
Frz.
&
Fish
Ref.
disconnected
disconnected
sensor
sensor
is
Min
Min
Min
*
Check
is
is
relevant
Max
Max
Max
:ON
Remarks
wiringofrespective
sensor.
:OFF
7
motor
8
upper
compartment
9
middle
compartment
10
communication
Failure
Poor
Poor
Poor
of
single
damper
defrosting
defrosting
When
ON/OFF
dectected
motor
damper
at
at
When
defrosting
compartment
7°C
even
after
starting
When
defrost
compartment
16°C
even
after
starting
When
no
done
for30seconds
of
when
for2minutes
does
two
defrost
sensor
does
when
defrost
-15-
the
sensor
two
even
when
communication
reed-S/W
driving
not
hours
at
not
hours
the
at
the
reach
to
have
the
middle
reach
to
have
is
consecutively
is
single
upper
more
passed
more
passed
not
than
than
Damper
frozen,
IC(photo
Short
of
short
of
drain,
poor
Short
of
short
of
drain,
poor
Taking
TR
on
motor
coil
damaged,
damaged,
coupler)
temperature
heater,
clogging
heater
temperature
heater,
clogging
heater
out
of
connector,
communication
driving
failure
fuse,
driving
fuse,
driving
part
of
relay
of
relay
Poor
(2)
Load
Operation
in
Failure
Classification
NO
Normal
1
Failure
Upper
2
compartment
(K1)
Failure
Middle
3
compartment
(K1)
Failure
Upper
4
compartment
(K1)
Failure
Upper
5
compartment
defrosting
sensor
Failure
Middle
6
compartment
defrosting
sensor
Failure
ambient
7
Temperature
sensor
Poor
defrosting
8
at
compartment
ITEM
upper
sensor
sensor
sensor
UPPER
COMP
of
of
of
of
15
ON/
15
OFF
COMPARTMENT
FAN
O
min
min
O
O
O
O
O
O
O
O
MIDDLE
COMPARTMENT
FAN
O
O
O
O
O
DEFROSTING
HEATER
UPPER
COMPARTMENT
Don't
defrost
(immediat
ely return)
DEFROSTING
OF
HEATER
MIDDLE
COMPARTMENT
O
O
O
O
O
O
O
O
O
STEPPING
OF
MOTOR
DAMPER
O
O
15
min
OPEN/
15
min
CLOSE
O
O
SINGLE
MOTOR
DAMPER
10
OPEN/
15
CLOSE
3-WAY
VALVE
O
O
O
min
min
O
FRONT-C
HEATER
O
(Linked
with
COMP.
However,
of
O
of
O
O
O
O
O
O
O
O
O
O
O
Don't
defrost
(immediat
ely return)
O
O
O
(No
compensation
of
ambient
temperature)
O
O
(No
compensation
of
ambient
temperature)
O
O
FRONT-C
heater
turns
for
minutes
and
turn
on
again
the
heater
turn
time
continues
for
more
than
minutes)
off
15
if
on
40
Poor
defrosting
9
at
compartment
Failure
single
10
motor
damper
Poor
11
communication
middle
O
of
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Perform
normal
initialization
by
checking
operation
in
the
cycle
of1hour
O
-16-
3-1-12.
1.
Test
functionisintended
2.
The
test
returns
3.
Function
4.
Ensure
5.
Release
6.
No
test
TEST
FUNCTION
S/W
existsonthe
to
normal
buttonisneither
to
take
the
the
test
mode
is
status.
power
mode
and
performed
to
check
main
detected,
cords
display
even
functionofPCB
and
PCB,
nor
button
out
in
completion
the
failure
when
pressing
and
ends
the
recognition
of
modeiffailure
the
test
the
test
the
test
button
product
mode
sound
and
after2hours
comes
mode
so
such
as
during
findafailure
irrespective
out
during
that
normal
sensor
failure
display
of
the
status
during
failure
with
part
of
the
test
willbearrived.
the
code.
failure
mode.
test
test
status.
mode,
mode.
and
then
MODE
TEST1
TEST2
Press
once
Press
once
OPERATION
the
the
test
in
the
test
test
S/W
S/W
mode
1.
COMP
2.
Defrost
3.
FRONT-C
4.
Fan
at
middle/lower
operates
compartment
180
upper/middle&lower
16/24
5.
For
turns
1.
COMP
1
2.
Fan
3.
Defrost
4.
FRONT-C
5.
All
dampers
closed.
6.
3-way
7.
For
turns
Fan
(*
heater
motor
to
minutes,
minute.
display,
on.
Fan
(*
motor
heater
valve
display,
on.
motor
OFF
heater
OFF
at
upper/middle
compartment
cool
the
at
the
and
alternatively
the
only
motor
OFF
at
upper,
ON
heater
ON
at
middle,
maintains
the
only
DETAILS
at
at
machine
upper,
room)
middle
compartment,
and
3-way
upper/middle/lower
same
time
for
approximately
cool
of
room)
compartment
middle
compartment
status.
LED
of
in
the
the
compartment
"Min"
at
machine
middle
at
upper,
lower
previous
"MIN"
LED
ON
compartment.
damper
valve
the
interval
upper
OFF
compartment
are
upper
room
of
room
Returns
when
maximum
have
passed.
Defrost
upper
compartment
performs
more
than
middle
more
than16°C
for
delay
REMARKS
to
normal
sensor
initialization
7
°C,
defrost
7
minutes)
at
sensor
status
2
hours
the
and
(COMP
at
at
?
LED
All
the
?
FRONT-C
The
and
-
-
Normal
status
check
LEDs
previous
FRONT-C
"TEMP"
Release
Input
turn
check:
function
status
Heater
button
check:
Press
timesinthe
on
if
pressing
touching
heater
LED
LED
on
the
test
test
both
if
releasing
inspection
consecutively
for5seconds
on
the
the
compartment
S/W
3
mode
2
"FOOD"
the
button.
turns
or
more.
temperature
Returns
button
mode
selection
to
and
on
for5minutes
Itisreleased
adjusting
part
initial
"TEMP"
part
turns
status
buttonatthe
andisthen
if
pressing
turns
on
-17-
on
with
them
with
pressing
same
released
again
pressing
time
for1second
if
pressing
for5senconds
for5seconds
for5seconds
both
or
or
more.
COMP
delay
or
more,
"LOCK/UNLOCK"
or
more.
more.
operates
for7minutes
and
after
display
button
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