LG GC-B207, Service Manual

Page: 89 / 145

2-5 Test Function
1. It is to force the operation during operation test, service, and cleaning. The test switch is mounted under the automatic
ice maker. The test function starts when the test switch is pressed for more than 0.5 second.
2. Test button does not work during ice ejection and water supply. It works when it is in the horizontal conditions. If mould is
full of ice during test function operation, ice ejection control and water supply control do not work.
3. When test switch is pressed for more than 0.5 second in the horizontal conditions, ice ejection starts irrespect of the
mould conditions. Water shall be splashed if test switch is pressed before the water in the mould freezes. Water shall be
supplied while the mould returns to the horizontal conditions after ice ejection. Therefore the problems of ice ejection,
returning to the horizontal conditions, and water supply can be checked by test switch. When test function performs
normally, buzzer sounds and water supply shall carry out. Check it for repair if buzzer does not sound.
4. When water supply is completed, the cycle operates normally as follows: Ice making
→
Ice ejection
→
Returning to
horizontal conditions
→
Water supply
5. Remove ice from the ice maker cube mould and press test switch when ice maker cube mould is full of ice as ice ejection
and water supply control do not work when cube mould is full of ice.
2-6. Other functions relating to freezer compartment door opening
1. When freezer door is open, ice dispenser stops in order to reduce noise and ice drop.
2. When freezer door is open during ice ejection and cube mould returning to horizontal condition, ice ejection and cube
mould level return proceed.
3. When freezer door is open, geared motor and cube ice solenoid immediately stop and duct door solenoid stops after 5
seconds.
4. Water dispenser stops in order to protect water drop when freezer door is open.
5. Test function operates normally irrespect of refrigearator compartment door opening.
ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR
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