LG LFXS29766 Series Service Manual page 39

6
Is the connector properly
connected?
No
7
Is the resistance value
of Fuse-M less than 0.2 ?
No
8
Is the resistance value
of heater 35~40 ?
No
9
Reconnect
Yes
10
Is the resistance value of defrost
Change
sensor as follow?
Fuse-M
Yes
Resistance is influenced by
temperature.
Change
heater
Yes
11
Explain to customer
- 39 -
Input Test 1 Mode
(Push the button 1 times)
Check the heater resistance.
is resistance 35~40 ?
Voltage [V]
TEST MODE 1
CON3
35~40
6 pin & 10 pin
th th
Yes
CON7
Resistance [Ω]
19 th pin & 20 th pin
23ºF / -5ºC
32ºF / 0ºC
41ºF / 5ºC
50ºF / 10ºC
59ºF / 15ºC
Yes
Reconnect
Yes
Replace
Yes
Defrost
Sensor
38k
30k
24k
19.5k
16k