Icemaker And Dispenser Working Principles And Repair; Working Principles - LG LSC26905TT Service Manual

ICEMAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR

1. Working Principles

1-1. ICEMaker Working Principles
Power Input
Initial Control
Icemaking Control
Ice Ejection Control
Water Supply Control
Test Control
1-2. Dispenser Working Principles
1. This function is available in Model GR-L267BV(T)R, GR-L267BV(T)RA, GR-L267BV(T,S)PA (Refer to appendix) where
water and ice are available without opening freezer compartment door.
2. Crushed Ice is automatically selected when power is initially applied or reapplied after power cut.
3. When dispenser selection switch is continuously pressed, light is on in the following sequence:
¡ Cube Ice ¡ Crushed Ice.
Water
4. Lamp is on when dispenser button is pressed and vice versa.
5. When dispenser crushed ice rubber button is pressed, dispenser solenoid and geared motor work so that crushed ice can
be dispensed if there is ice in the ice bin.
6. If there is ice in the bin, pushing the dispenser button will dispense it.
7. When dispenser water button is pressed, water valve opens and water is supplied if water valve is normally installed on
the right side of the machine room.
8. Ice and water are not available when freezer door is open.
• Level Icemaker Cube mold for Initial Control
after power is input.
• Wait until the water in the cube mold is frozen
after icemaker starts operation.
• Check ice bin is full of ice by rotating the ice ejection
motor in normal and reverse direction and eject ice into
the ice bin if ice bin is not full.
• Conduct Icemaking Control after supplying water into the icemaker
cube mold by operating water valve.
• This is for refrigerator assembly line and service. When icemaking test switch is pressed,
it operates in the following steps: initial
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ice ejection water supply control steps.