LG GR-B197GVQ Service Manual page 61

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
icemaker. 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,
the 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:
Icemaking
Ice
ejection Returning to
horizontal conditions Water
supply
5. Remove ice from the icemaker cube mould and press
test
switch when icemaker 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 refrigerator
compartment
door opening.
ICEMAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD
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