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2-5. Function TEST
1. This is a forced operation for TEST, Service, cleaning, etc. It is operated by pressing and holding the Water amount selection
button for 3 seconds.
2. The test works only in the Icemaking Mode. It cannot be entered from the Harvest or Fill mode. (If there is an ERROR, it
can only be checked in the TEST mode.)
3. Caution! If the test is performed before water in the ice tray is frozen, the ejector will just pass through the water. When
the Fill mode begins (Stage 4), unless the water supply has been shut off, added water will overflow into the ice bin. If the
control doesn’t operate normally in the TEST mode, check and repair as needed.
4. After water is supplied, the normal CYCLE is followed: icemaking → Harvest → Fill → Park Position.
5. After Stage 5 is completed, the Ice Maker returns to MICOM control. The time needed to supply water resets to the pre-
test setting.
6. This icemaker function test takes about 90 seconds in case, there aren’t ices in the ice tray. If there are ices in the ice
tray, it can take more than 90 seconds.
Diagnosis TABLE
3. Defect diagnosis function
3-1. ERROR CODES shown on Icemaker water supply control panel
ERROR indicators in table can be checked only in TEST mode.
ICEMAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR
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STAGE ITEMS INDICATOR REMARKS
1
2
3
4
5
6
HEATER
MOTOR
HALL IC I
(detection of
position)
HALL IC II
(detection of
position)
VALVE
Reset
Five seconds after heater starts, a
heater will go off if the temperature by
sensor is higher than 10°C
Five seconds after heater starts, you
can confirm that a motor is moving.
After the icemaker detects that ice has been
made, the motor and heater are off but on
standby until the cycle is cancelled.
You can confirm HALL IC detection of
position.
Two seconds after detection of initial
position, you can confirm that valve is on.
Five seconds after fifth stage is completed,
The icemaker resets to initial status.
Return to Status prior to
TEST MODE
NO DIVISION INDICATOR CONTENTS REMARKS
1
2
Normal
Icemaking
Sensor
malfunction
Mark time to
supply
None
Open or short-circuited wire
Display switch
operates properly
Make sure that the wire
on each sensor is
connected.