LG LMXS30776S Service Manual page 107

13-2 ICEMAKER FUNCTIONS
13-2-1Icemaking mode
13-2-2 Harvest mode
13-2-3 Fill/Park Position
13-3 Trouble Shooting Ice & Water System Issues
13-3-1 Icemaker not making ice or not making enough ice (Environmental Diagnosis)
No making ice
t
Water
Is Icemaker's tray filled
with water or Ice?
Yes
Temperature
Is measured
temperature below 10°F
in the icemaker
compartment
Yes
T ime
How long has customer
waited for icemaker to
make ices?
If the issue haven't resolved yet, though you have checked all the items above, go to next step.
No
connection.
No
No
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saddle valve.
fill tube heater
all the water valve'
Icing fan is working.
multi duct is blocked
Measure the temp. gas leakage