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E. Float Switch Check and Cleaning
FS is used to determine that there is sufficient water in the water tank after the 1-min.
fill cycle and after each harvest cycle. FS is also used to determine that the appropriate
volume of water has been converted into ice before switching out of the freeze cycle. No
adjustment is required.
1. Float Switch Check
To check FS, follow the steps below.
1) Turn off the power supply.
2) Remove the front panel, then move the
control switch to the "OFF" position.
3) Drain the water tank. Remove the front
insulation panel, then slide the cube guide
to the right. Remove the rubber cap and
sleeve covering the overflow pipe. See
Fig. 1. Unscrew the overflow pipe. After
the water tank has drained, reconnect the
overflow pipe. Replace the rubber cap,
sleeve, cube guide, and front insulation
panel in their correct positions. NOTICE!
Make sure the O-ring is attached to
the bottom of the overflow pipe and be
careful not to cross thread the overflow
pipe.
4) Remove the control box cover.
5) Disconnect FS connector from CB K5 connector.
6) Check for continuity across FS leads. With the water tank empty, FS should be open.
If open, continue to step 7. If closed, follow the steps in "II.E.2. Float Switch Cleaning."
After cleaning FS, check it again. Replace if necessary.
7) Reconnect FS connector to CB K5 connector, then replace the control box cover in its
correct position.
8) Move the control switch to the "ICE" position. Replace the front panel in its correct
position, then turn on the power supply. After 1 min., the 1-min. fill cycle should end and
the initial harvest cycle should begin. If the initial harvest cycle begins, FS is good and
the check is complete. If the initial harvest cycle does not begin, continue to step 9.
9) Turn off the power supply.
10) Remove the front panel. Move the control switch to the "OFF" position.
11) Remove the control box cover.
12) Disconnect FS connector from CB K5 connector.
Cube Guide
Rubber Cap
Sleeve
Overflow Pipe
O-Ring
18
Fig. 1
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