LG LFX25992ST Service Manual page 82

13-3-2 Icemaker not making ice or not making enough ice
(Icemaker Unit & Ice-detecting sensor Diagnosis)
Icemaker Unit and Ice-detecting sensor Diagnosis
The icemaker unit and Ice-detecting sensor is programmed to be diagnosed.
Follow the procedure step by step to check to see if icemaker and Ice-detecting sensor is working normally.
Icemaker Unit
1 st STEP (Icemaker Unit Diagnosis)
Press the fill key for about 3sec. If the icemaker runs 2 stages of harvest and filling water step by step, It means icemaker's
mechanism is normal.
Caution : Be sure that the ice tray is not filled with water before pressing fill key.
Fill Key
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Ice-detecting sensor