TCL TRF-545W, Service Manual

Page: 33 / 36

Fault code prompt and maintenance plan:
Fault
Fault
display
Cause of failure Handling method
Abnormal freezing sensor E4
Freezing sensor; open circuit
or short circuit
Check whether there is open circuit or short circuit
between the output end of the master control board
and the freezing sensor.
Abnormal ambient
temperature sensor
E6
Ambient temperature sensor;
open circuit or short circuit
Check whether there is open circuit or short circuit
between the output end of the master control board
and the ambient temperature sensor.
Abnormal refrigerating
sensor
E0
Refrigerating sensor; open
circuit or short circuit
Check whether there is open circuit or short circuit
between the output end of the master control board
and the refrigerating sensor.
Abnormal evaporator
temperature sensor
E5
Defrosting sensor; open
circuit or short circuit
Check whether there is open circuit or short circuit
between output end of main control panel and
defrosting sensor.
Abnormal communication EC
Open circuit of
communication connection
Check the connecting lines between the display control
board and the master control board and between the
display board and the master control board
Abnormal freezing fan
EF Open circuit or short circuit of
line or damage of fan
Check whether there is open circuit or short circuit in
the connecting line of the motor and whether the
motor rotates normally