LG LFC21760ST Service Manual page 25

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 Compressor
in 0.5 sec.
ON
Power
in 0.5 sec.
ON
Compressor
in 0.5 sec.
ON
Total load
in 7 min.
OFF
- 25 -
ORDERS
in 0.5 sec.
ON
Defrosting
in 10 sec.
heater ON
Freezer fan
in 0.5 sec.
Compressor
in 0.5 sec.
ON
Freezer fan
ON
Defrost heater
OFF
ON
Freezer fan
ON