21
ICEMAKER AND DISPENSER WORKING OPERATION AND REPAIR
STAGE
ITEMS
INDICATOR
REMARKS
1
HEATER
Five seconds after heater starts, a heater
will go off if the temperature of sensor is
higher than 10¡C
Diagnosis TABLE
2
MOTOR
Five seconds after heater starts, you can
confirm that a motor is moving.
3
HALL IC I
(detection of
position)
After the icemaker detects that ice has
been made, the motor and heater are off
but on standby until the cycle is cancelled.
4
HALL IC II
(detection of
position)
You can confirm HALL IC detection of
position.
5
VALVE
Two seconds after detection of initial
position, you can confirm that valve is on.
6
Reset
Five seconds after fifth stage is
completed, The icemaker resets to initial
status.
Return to Status prior to TEST
MODE
NO
DIVISION
INDICATOR
REMARKS
1
Normal
Display switch
operates properly
Mark time to supply
2
Icemaking
Sensor
malfunction
Make sure that the wire
on each sensor is
connected.
CONTENTS
None
No change for 2 seconds
Open or short-circuited wire
3
Flow sensor
malfunction
Open or short-circuited wire
Low presure of water
3. DEFECT DIAGNOSIS FUNCTION
3-1. Error codes shown on Icemaker water supply control panel
2-5. Function Test
1. This is a forced operation for test, service, cleaning, etc. It is operated by pressing and holding the fill key 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 code,
it can only be checked in the test mode.)
3.
Caution!
If the test is performed before water in the icemaker is frozen, the ejector will 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. Five seconds after Stage 5 is completed, the icemaker returns to MICOM control. The time needed to supply water
resets to the pretest setting.
Error indicators in table can be checked only in TEST mode.
Содержание UPSXB2627S
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Страница 9: ...9 Circuit Diagram MODEL UPSXB2627S Chapter 3 Circuit Diagram ...
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