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ICEMAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR
1. Operation Principle
1-1. Operation Principle of Icemaker
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-P227/257S, GR-L227/257S 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 button is pressed.
5. In case of crushed ice mode, when dispenser button is pressed, dispenser solenoid and geared motor work so that
crushed ice can be dispensed if there is ice in the ice bank.
6. In case of cubed ice mode, when dispenser button is pressed, cube ice solenoid and geared motor work so that cube ice
can be dispensed if there is ice in the ice bank.
7. In case of water mode, when dispenser 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 Ice Maker Cube Mould for "Initial Control"
after power is input.
• Wait until the water in the cube mould is frozen
after ice maker starts operation.
• Check ice bucket is full of ice by rotating ice ejection
motor in normal and reverse direction and eject ice into
the ice bucket if ice bucket is not full.
• Conduct "Ice Making Control" after supplying water into the ice maker
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
- 42 -
ice ejection
water supply control steps.
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