Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Harvest Time (S1 dip switch 1 & 2)
- 3. Pump-Out Time/Harvest Time During Pump-Out (S1 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S1 dip switch 5 & 6)
- 5. Harvest Pump Time Duration (Harvest Assist) (S1 dip switch 7 & 8)
- 6. Freeze Timer (S1 dip switch 9 & 10)
- 7. Pump-Out/Drain Selector (S2 dip switch 1)
- 8. Harvest Promotion Control (S2 dip switch 2)
- 9. Minimum Harvest Time (S2 dip switch 3)
- 10. Harvest Completion Detection Control (S2 dip switch 4)
- 11. Overfreeze Detection Control (S2 dip switch 5)
- 12. Slush Control (S2 dip switch 6)
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
25
E. Float Switch Check and Cleaning
FS is used to determine that there is sufficient water in the water tank after the 1-min.
ll 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.
Noadjustment is required.
1. Float Switch Check
To check FS, follow the steps below.
1) Remove the louver, move the control switch to the "OFF" position, then unplug the
icemaker from the electrical outlet.
2) Disconnect the silicone hose to drain the water, then after all the water has drained
reconnect the silicone hose back in its correct position. See Fig. 4.
3) Remove the control box, then disconnect CB K1connector from CB.
4) Check for continuity across FS leads. With the water tank empty, FS should be open.
If open, continue to step 5. If closed, follow the steps in "II.E.2. Float Switch Cleaning."
After cleaning FS, check it again. Replace if necessary.
5) Reconnect CB K1 connector to CB, then replace the control box in its correct position.
6) Plug the icemaker back into the electrical outlet, then move the control switch to the
"ICE" position. After 1 min., the 1-min. ll 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 7.
7) Move the control switch to the "OFF" position, then unplug the icemaker from the
electrical outlet.
8) Remove the control box, then disconnect CB K1 connector CB.
9) Check for continuity across FS leads. With the water tank full, FS should be closed.
IfFS is closed and the icemaker will not switch from the 1-min. ll cycle to the initial
harvest cycle, replace CB. If FS is open, conrm that the water tank is full. If the water
tank is not full, check the water supply, water lters, and inlet water valve. If the water
tank is full, follow the steps in "II.F.2. Float Switch Cleaning." After cleaning FS, check it
again. Replace if necessary.
10) Reconnect CB K1 connector to CB, then replace the control box in its correct position.
11) Move the control switch to the "ICE" position, then plug the icemaker back into the
electrical outlet to start the automatic icemaking process.
12) Replace the louver in its correct position.
Legend: CB–control board; FS–oat switch
Overow Pipe
Water Tank
Fig. 4
Silicone Hose