LG GR-B197WV - Page 27

2-7. Electric Equipment Sequential Operation
Electric equipment such as compressor, defrost heater, cooling fan, step motor damper, etc. operates in the following
sequence when power is initially applied and test is completed in order to reduce noise and parts damage.
MICOM FUNCTION
- 27 -
Function Operation Sequence Remarks
When power is initially applied TEST MODE
Defrost sensor
temperature is
above 10 °C
(purchased or
house-moving)
If there is any error in
functions, initial
starting does not
work.
If switch is pressed
one more or defrost
sensor temperature
is above +5 °C, it
returns to test mode
and restarts.
(compressor shall
operate after 7
minutes)
Defrost sensor
temperature is
below 10 °C
(power cut or
service)
Test Mode 1
(Forced Start)
Test Mode 2
(Check Freezer
fan )
Test Mode 3
(Forced defrost)
POWER
ON
COMP
ON
WATER
TANK
HEATER
ON
FAN 1400
(High Speed
Operation)
ON
FAN 1400
(High Speed
Operation)
ON
FAN 1400
(High Speed
Operation)
OFF
WATER
TANK
HEATER
OFF
FAN 1170
(Standard
Operation)
ON
FAN 1170
(Standard
Operation)
OFF
STEP
MOTOR
DAMPER
ON
STEP
MOTOR
DAMPER
ON
STEP
MOTOR
DAMPER
OPEN
STEP
MOTOR
DAMPER
CLOSE
HOME
BAR
HEATER
ON
POWER
ON
DEFROST
HEATER
ON
HOME
BAR
HEATER
OFF
HOME
BAR
HEATER
ON
TEST
S/W
(Press
Once)
COMP
ON
TEST
S/W
(Press
Twice)
COMP
OFF
0.5
sec.
0.3
sec.
0.3
sec.
0.3
sec.
0.5
sec.
8
sec.
0.3
sec.
5
sec.
DEFROST
HEATER
OFF
DEFROST
HEATER
ON
5
sec.
0.3
sec.
COMP
ON
FAN 1170
(Standard
Operation)
ON
STEP
MOTOR
DAMPER
ON
27
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.
OTHER
LOADS
OFF
TEST
S/W
(Press
Three
Times)
0.3
sec.
0.3
sec.