Kenmore 795.75192401 Service Manual page 19

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7-2 CONTROL METHOD ACCORDING TO FUNCTIONS
7-2-1 Start Position
1. After POWER OFF or Power Outage, check the EJECTOR's position with MICOM initialization to restart.
2. How to check if it is in place:
- Check HIGH/LOW signals from HALL SENSOR in MICOM PIN.
3. Control Method to check if it is in place:
(1) EJECTOR is in place,
- It is an initialized control, so the mode can be changed to ice making control.
(2) EJECTOR isn't in place:
A. If EJECTOR is back in place within 2 minutes with the motor on, it is being initialized. If not, go to Step B.
B. If EJECTOR is back in place within 18 minutes with the heater on (to control Heater on its OFF condition), it is being
initialized. If not, it is not functioning. Repeat Step B with Heater and Motor off.
7-2-2 Ice Making Mode
1. The Ice Making Mode starts once the ejector is in the park position and the ice maker mold is filled with water.
2. The Ice Making Mode is terminated when the ice maker sensor reaches 19°F(-7°C). This may take between 1 and 4
hours.
7-2-3 Harvest Mode
1. The Harves mode is initiated when the temperature is satisfied with the shut-off arm in the down position.
2. Once the Harvest mode is initiated, the heater is operated for 30 seconds.
3. After 30 seconds, the ejector blades are operated.
4. Once the ejector blades have reached the park position water fill will be initiated.
NOTE : If the movement is detected from the shut-off arm (detect lever), a harvest mode will be attempted every 2 hours.
Heater
Motor
Hall IC
on
off
30 sec.
on
off
10 sec.
5V
0V
<fig1. Harvest mode Process>
Ice making sensor temperature is 50°F(10˚C)
or more
Max. 18 minutes
After detect LEVER rises
2 ms
- 19 -
Harvest mode end point