LG GR-L28AK Series Service Manual page 25

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Pantry Sensor Error
Is Er-SS displayed?
Yes
Is the connection loose?
No
Power Off
Tip : To protection of MICOM
Disconnect CON10 and
measure the value. Is
resistance value between
pins 10 & 11 of CON10 as
below? (WH/RD to WH/RD)
Pin10
Pin11
Test Point
Result
Pin10 to pin11
6 ~ 300
Yes
Yes
Reconnect
Replace
No
Pantry-
sensor
- 25 -
Is resistance value between
pins 3 & 6 of Housing- A as
below? (BN to BN)
pin3
pin6
Checking Open or Short
of wire
Test Point
Result
Pin3 To pin6
6 ~ 300
Yes
Reconnect and Power ON
If the ER-SS appears when
you press FREEZER key and
ICE PLUS Key at the same
time, Replace the main
PWB.(Position No : 500A)
Otherwise, explain to the
customer!
Replace
No
Pantry-
sensor

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