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Housing-A
Main PWB
BO
BO
BO
BO
D-Sensor
7
8
2
1
CON6
7
6
Defrost Sensor Error
Wiring diagram
Is Er-dS displayed?
Disconnect CON6 and measure
the value. Is resistance value
between pins 7 & 8 of CON6 as
below? (BO to BO)
Yes
Is the connection loose?
If the ER-dS appears, Replace
the main PWB.(Position No:500A)
Otherwise, explain to the customer!
Replace
D-sensor
(Position
No : 400A
No
pin8
pin7
Yes
6 ~ 300 k½
Pin7 to pin8
Result
Test Point
Reconnect
Reconnect and Power ON
Power Off
Tip : To protection of MICOM
No
Yes
Is resistance value between
pins 1 & 2 of Housing- A as
below? (BO to BO)
pin1
pin2
6 ~ 300 k½
Pin1 To pin2
Result
Test Point
Checking Open or Short of wire
No
Yes
CON6
CON6
Replace
D-sensor
(Position
No : 400A