LG LSC27925ST Manual De Servicio

1-12. Ringing of compulsory operation, compulsory frost removal buzzer
1) If pressing the test button in the main PCB,
“Phi ~” sound rings.
2) In selecting compulsory operation, alarm sound is repeated and completed in the cycle of On for 0.2 second and Off for
1.8 second three times.
3) In selecting compulsory frost removal, alarm sound is repeated and completed in the cycle of On for 0.2 second , Off for
0.2 second, On for 0.2 second and Off for 1.4 second three times.
1-13. Defrosting (Removing frost)
1-14. Refrigerator room lamp automatically off
1) The refrigerator compartment lamp will turn on and off by refrigerator door switch.
2) If the refrigerator compartment lamp will turn off automatically if it has been on for longer than 7 minutes.
1) Defrosting starts each time the accumulated COMPRESSOR runnig time is between 7 and 50 hours. This time is
determinated by how often and how long the dorrs are opened.
2) For initial power on or for restoring power, defrosting starts when the compressor running tume reaches 4 hours.
3) Defrosting stops if the sensor tempreature reaches 41°F (5°C) or more. If the sensor doesn´t reach 41°F (5°C) in 1 hours, the
defrost mode is malfunctioning. (Refer to the defect diagnosis function, 8-1-15).
4) Defrosting won´t function if its sensor is defective (wires are cut or short circuited).
1-15. Sequential operation of built-in product
Built-in components such as the compressor, defrost removal heater, freezer compartment fan, Cooling Fan and step motor
damper are sequentially operated as follows to prevent noise and part damage from occurring during testing procedure.
Function Load Operation Remarks
INITIAL POWER ON
POWER
ON
COMP
ON
DAMPER
OPEN
DEF HTR
OFF
DEF HTR
ON
0.3
sec.
15
sec.
10
sec.
POWER
ON
TEST SW
(PRESS
Once)
OTHER
LOADS
OFF
COMP
ON
DAMPER
OPEN
TEST SW
(PRESS
2 Times)
COMP
OFF
F-FAN
&
C-FAN
OFF
DEF
HEATER
ON
DAMPER
OPEN
0.6
sec.
0.3
sec.
0.3
sec.
0.3
sec.
0.6
sec.
0.3
sec.
0.3
sec.
It is a load
movement
sequence in case
of F/R doors
closed.
If any occurs in
operation, initial
power on
sequence won’t
be performed.
If pressing S/W
once more in TEST
MODE 2 or defrost
sensor is more
than 5°C, it returns
from TEST MODE
to the INITIAL
POWER ON mode
(Compressor will
operates after 7
min).
When Defrost
Sensor is more
than 45°C
TEST MODE
When Defrost
Sensor is lower
than 45°C
TEST MODE 1
TEST MODE 2
F-FAN
&
C-FAN
ON
Hi-Speed
F-FAN
&
C-FAN
ON
Hi-Speed
COMP
ON
0.3
sec.
DAMPER
OPEN
0.3
sec.
0.6
sec.
0.3
sec.
F-FAN
&
C-FAN
ON
Hi-Speed
In case of Defrost Sensor is below than 5°C
0.6
sec.
0.3
sec.
- 25 -

LG LSC27925ST Specifications

General

Brand	LG
Model	LSC27925ST
Category	Refrigerator
Language	English