TCL TRF-545W, Service Manual

Page: 21 / 36

(4) Damper
During the refrigeration of refrigerating chamber, the damper is opened;
When the refrigeration stops, the damper is closed
(5) Air swing motor
When the temperature of the refrigerating chamber is high, the air swing motor is turned on, and it is controlled that
the start-up time last 10 minutes every 5-minutes shutdown;
When the temperature of the cold refrigerating chamber is low, the air swing motor shall be closed after the fan blade
returns to the middle position;
When the refrigerating chamber door is detected to be open, the air swing motor is opened once, and it is closed after
the fan blades of the air swing motor return to the middle position;
(6) Heating wire for steel tube
When the refrigerator defrosts, the heating wire of the steel tube is on; when the refrigerator is not in defrosting state,
the heater of the steel tube is off