Icemaker And Dispenser Operation Principle And Repair Method - LG SxS LRSPC2661T Service Manual

ICEMAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD

1. Working Principles
1-1. Icemaker Working Principles
Power Input
Initial Control
Ice Making Control
Ice Ejection Control
Water Supply Control
Test Control
1-2. Dispenser Working Principles
1. This function is available in Model GR-D267 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:
Water Cube Ice Crushed Ice.
4. Lamp is on when dispenser bushing button is pressed and vice versa.
5. When dispenser crushed ice bushing 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. When dispenser cube ice bushing button is pressed, dispenser solenoid, cube ice solenoid and geared motor work so
that cubed ice can be dispensed if there is ice in the ice bin.
7. When dispenser water bushing button is pressed, water valve opens and water is supplied if water valve is properly
installed on the right side of the machine room.
8. Ice and water are not available when freezer door is open.
• Level Icemaker Cube Mould for Initial Control
after power is applied.
• Wait until the water in the cube mould is frozen
after Icemaker starts operation.
• Detect if ice bin is full of ice by rotating ice ejection
motor in normal and reverse direction and eject ice into
the ice bin if ice bin is not full.
• Conduct Ice Making Control after supplying water into the Icemaker
cube mould by operating water valve.
• This is for refrigerator assembly line and service. When ice making test switch is pressed,
it operates in the following steps: initial
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ice ejection water supply control steps.