LG LSC27931SB Service Manual

1-16. Sequential operation of built-in product
Built-in products such as compressor, frost removal heater, freezing room fan, Cooling Fan and step motor damper are
sequentially operated as follows for preventing noise and part damage occurred due to simultaneous operation of a lot of
parts in applying initial power and completing test.
- 17 -
Function Load Operation Sequence Remark
It si a load
movement
sequence in
case of the F/R
room closed.
If error occurs
during
operation,
initial
operation is
not done.
If pressing sw
once more in the
test mode 2 or
tempreature of
defrost sensor is
more than 5°C it
returns to the
test mode for
initial operation
(comp operates
after 7minutes).
INITIAL POWER ON
•
POWER
ON
COMP
ON
F-FAN
&
C-FAN
ON
STEPPING
MOTOR
ON
DEF HTR
ON
0.3
sec.
10
0.3
sec.
sec.
0.3
sec.
0.3
sec.
POWER
ON
COMP
ON
0.3
sec.
F-FAN
&
C-FAN
ON
0.3
sec.
STEPPING
MOTOR
ON
TEST SW
(PRESS
Once)
OTHER
LOADS
OFF
COMP
ON
F-FAN
&
C-FAN
ON
STEPPING
MOTOR
OPEN
TEST SW
(PRESS
2 Times)
COMP
OFF
F-FAN
&
C-FAN
OFF
DEF
HEATER
ON
STEPPING
MOTOR
CLOSE
0.3
sec.
0.3
sec.
0.3
sec.
0.3
sec.
0.3
sec.
0.3
sec.
0.3
sec.
0.3
sec.
0.3
sec.
PIPE HTR
ON
: n case of the defrost sensor
Temperature: +5°C↓
I
Def sensor
Above 45°C
TEST MODE
Def sensor
Lower than 45°C
(In service)
TEST MODE1
TEST MODE 2
DUCT
MOTOR
CLOSE
0.3
sec.
DISP
HTR ON
DUCT
MOTOR
CLOSE
DEF HTR
OFF
0.3
sec.
DISP
HTR OFF

LG LSC27931SB Specifications

General

Brand	LG
Model	LSC27931SB
Category	Refrigerator
Language	English