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FUNCTIONS AND OPERATION PRINCIPLES OF MAIN PARTS
4. Switch(Door, Dispenser)
1. Function
1) Door switches in freezer and refrigerator compartments turns on and off the lamps when the freezer and refrigerator
doors are opened and closed. They also switch the fans in the freezer compartment on and off at the same time.
2) Home bar switch turns on and off the lamp in the refrigerator compartment when home bar is open and close.
3) Dispenser switch turns the dispenser lamp on and off when dispensing ice/water.
2. Operation Principles and Characteristics
Classification
Shapes
Circuits
Operation
- The switch points make contact depending on
Principles
wheather one of the doors is opened or closed.
/Charact
These control the lamps in the refrigerator and
-eristics
the freezer compartments.
3. Troubleshooting
Troubles (Parts)
Bad Contact
Lamp is not on when door is
open. (door switch)
1. Dispenser lamp is not on
when bushing button is
pressed.
2. Ice and water are not
dispensed.
Door Switch
3
1
Symptoms
4
3
2
1
4
2
- The dispenser bushing button is pressed by the
switch lever. This turns on the dispenser lamp.
Check
Operate switch button three or
four times and verify that the
lamp is on and off. See if lamp is
burnt out. If lamp is O.K, then
remove switch and measure the
resistance between terminals.
(Door Switch: 1-2, 3-4.)
Operate switch button three and
four times and confirm the lamp,
ice and water dispenser work. It
they do not work, then remove
switch and measure the
resistance between terminals.
(COM-NO)
- 13 -
Dispenser Switch
Measures
Replace switch if the resistance
between terminals is not zero.
Replace switch if the resistance
between terminals is zero.
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