DOWNLOAD LG F80D9SDP2K / F80D9SDP28 Service Manual ↓ Size: 21.99 MB | Pages: 44 in PDF or view online for FREE

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25

Is  the  door  closed?

Is  the  Door  assembly  in  line  with  door
switch  ?  

Lift  up  &  Close  the  door.  
If  the  dE  is  displayed,  Replace  the  

Door  Bracket

.

Close  the  door  totally.

YES

Reconnect  or  repair  the  

Connector

.

Or  replace  the  

Harness

.

NO

Replace  the  

Latch  Hook

.

NO

Replace  the  

Door  switch

.

NO

Does  the  

Spring

of  

Latch  Hook

actuate?  

Door  Open  Error  (dE)

YES

YES

YES

NO

Scratch  by  Latch  Hook

Touching

or

Is  the  

Connector

connected  correctly  to

the  

Main  PCB

and  the  

Door  Switch

?

Or  is  the  

Harness  

alright  ?

Does  the  

Door  Switch

operate  as  follows?

* Door  Locking  time  :  

1~8

sec.

Check  the  time  between  from
input  the  power  to  parts
move  up,  then  Door  locked.

* Door  Releasing  time  :  

25~100

sec.

Check  the  time  between  from
off  the  power  to  parts
move  down,  then  Door  released.

1

1

1

YES

26

Is  the  resistance  of  the  

Thermistor

out

of  range  44  ~  53  KŸ at  25°C?
(Page  17)  

Replace  the  

Main  PCB

.

Is  the  

Connector

connected  correctly  to  

the  

Main  PCB

and  the  

Thermistor

and

the  

Heater

?  Or  is  the  

Harness

alright  ?

Reconnect  or  repair  the  

Connector

.

Or  replace  the  

Harness

.

Replace  the  

Thermistor

.

YES

Replace  the  

Heater

.

YES

NO

Is  the  resistance  of  the  

Heater

out  of

range  31.5  ~  34.8Ÿ ?  (Page  17)  

[Note]  Thermistor  Spec

NO

NO

Thermistor  (Heating)  Error  (tE)

S
P
E
C

Temp

30  °C
40  °C
60  °C
70  °C
95  °C

105  °C

Resistance  (kŸ)

MIN

36.35

39.45

42.72

24.20

26.05

27.97

11.43

12.12

12.82

8.088

8.514

8.940

3.544

3.791

4.045

2.617

2.816

3.023

STD

MAX

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