Service Manual

36
D. Float Switch Check and Cleaning
F/S is used to determine that there is sufficient water in the water tank after the 1-minute
ll cycle and after each harvest cycle. F/S 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 F/S, follow the steps below.
1) Turn off the power supply.
2) Remove the front, top, and left side panels,
then remove the insulation panel. Move the
controlswitchtothe"OFF"position.
3) Disconnect the distributor from the
distribution hose. Remove the thumbscrew
securing cube guide B. Remove cube guide
B and cube guide A. See Fig. 4.
4) Remove the overow cap and overow
pipe.
5) Remove the drain plug. Allow the water
tank to drain, then replace the drain plug in
its correct position. Be careful not to cross
thread it.
6) Replace the overow pipe, overow cap, cube guide A, and cube guide B in their correct
positions. Be careful not to cross thread the overow pipe.
7) Remove the control box cover.
8) Disconnect F/S connector from CB K5 (black) connector.
9) Check for continuity across F/S leads. With the water tank empty, F/S should be open. If
open,continuetostep10.Ifclosed,followthestepsin"IV.D.2.FloatSwitchCleaning."
After cleaning F/S, check it again. Replace if necessary.
10) Reconnect F/S connector to CB K5 (black) connector.
11) Reconnect the distributor to the distribution hose.
12)Movethecontrolswitchtothe"ICE"position.
13) Replace the insulation panel, then replace the left side, top, and front panels in their
correct positions.
14) Turn on the power supply to ll the water tank with water.
15) After 1 minute, the 1-minute ll cycle should end and the initial harvest cycle should
begin. If the initial harvest cycle begins, F/S is good and the check is complete. If the
initial harvest cycle does not start, continue to step 16.
16) Turn off the power supply.
17)Removethefrontpanel,thenmovethecontrolswitchtothe"OFF"position.
18) Remove the control box cover.
Fig. 4
Cube Guide A
Distribution
Hose
Cube Guide B
Thumbscrew
Drain
Plug
Overow
Cap
Overow
Pipe
Cleaning
Valve
Distributor
Float Switch