LG LMC25780 series Service Manual page 26

8-1-9 Electrical Parts Are Turned On Sequentially
Electrical parts such as compressor, defrosting heater, freezer fan, etc. are turned on in the following order to prevent noise
and parts damage. Several parts are started at the same time at initial power on and are turned off together when test is
completed.
OPERATING
Temperature of defrosting
sensor is 45°C or more
(when unit is newly
purchased or when moved)
Temperature of defrosting
sensor is lower than 45°C
(during power outages or
for service)
Reset to normal operation
from test mode
Power
in 0.5 sec
ON
Power
in 0.5 sec
ON
Door
in 0.5 sec
heater ON
Compressor
in 0.5 sec
ON
Total
in 7 min
load OFF
- 26 -
ORDERS
Compressor
in 0.5 sec
ON
Defrosting
in 10 sec
heater ON
in 5 sec
heater OFF
Freezer fan
in 0.5 sec
Compressor
in 10 min
ON
Freezer fan
ON
Defrosting
heater OFF
Door
ON
Freezer fan
ON