
38
Freezer Defrost Heater Error
Is it displayed under picture?
Reconnect
Pin1 To Pin5
Test Point
230V
Result
Enter the TEST 2 MODE
Is the voltage value
between pins 6(BL/WH) and
5 (BN) of CON3 230 V AC?
Enter the TEST 1 MODE
Is the voltage value
between pins 6(BL/WH) and
5 (BN) of CON3 0 V AC?
Relay operation
Replace
MAIN PCB
No
Replace
MAIN PCB
No
Yes
Yes
Is the connection loose?
CON3
Yes
Yes
Pin1 To Pin5
Test Point
0~2V
Result
Relay Open
No
CON7
Pin5
Pin6
Pin5
Pin6