Float Switch Check And Cleaning; Float Switch Check - Hoshizaki KM-230BAJ Service Manual

7) Wipe down MBC with a mixture of 1 part of Hoshizaki "Scale Away" and 25 parts of
warm water. Rinse the parts thoroughly with clean water.
8) Refit the removed parts in the reverse order of the removal procedure.
9) Plug in the appliance.
Legend: MBC–mechanical bin control
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) Remove the louver.
2) Drain out the water tank by leaving the control switch in the "SERVICE" position and
the service switch in the "DRAIN" position until the tank is empty.
3) Move the control switch to the "OFF" position, then unplug the appliance.
4) Remove the top panel, rear panel and right side panel.
5) Disconnect the connector of the FS lead.
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.
8) Move the control switch to the "ICE" position. Replace the top panel, rear panel and
right side panel in their correct positions, then plug in the appliance. 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) Move the control switch to the "OFF" position, then unplug the appliance.
10) Remove the top panel, rear panel and right side panel.
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