Freezer Defrost Sensor Error - LG GR-P247C Service Manual

Freezer Defrost Sensor Error

Is it displayed under picture?
Yes
Is the connection loose?
(CON7)
No
Power Off
Tip : To protection of MICOM
Disconnect CON7 and
measure the value. Is
resistance value between
pins 3 & 4 of CON7 as
below? (BO to BO)
Pin4 Pin3
Test Point Result
Pin3 to Pin 4 6 ~ 300 ㏀
Yes
Reconnect
Yes
Replace
NO
D_Sensor
36
Is resistance value between
pins 1 & 2 of Housing-A as
below? (BO to BO)
Test Point Result
Pin1 to 1.156 ~
141.5 ㏀
Pin2
Yes
Reconnect and Power ON
If the same situation appears,
Replac e the main PCB.
Otherwise, explain to the
customer!
Replace a
No
D-Sensor
Pin2
Pin1