Removal And Replacement: System Controller; Removal And Replacement: Water Level Sensor - Scotsman CME1356 User Manual

Removal and Replacement: Water Level Sensor

1. Remove front panel.
2. Push and hold the OFF button. Release it when
the machine stops.
3. Trace wire harness from water level sensor to
the AutoIQ Controller (#2). Unplug the harness
from the controller.
4. Lift the pump and mounting plate up enough to
remove the float from the stem.
5. Remove two screws holding the sensor to the
pump bracket and lift the sensor up and out of the
machine.
6. Reverse to reassemble.
Float Stem
1. Remove the left front panel.
2. Remove the reservoir cover.
3. Pull up on float stem, reach under pump cover
and pull the float off the stem.
4. Pull stem out and reverse to replace.
Note: Replacement float stem depths are factory
set, but confirm them before installing the new
stem:
CME1356 uses a tan float stem
CME1656 uses a brown float stem
Observe machine for proper cube size after
replacement of the float stem.
CME1356 and CME1656
Water Temperature Sensor
Note: This sensor is replaced as a set with the
Discharge Temperature Sensor.
1. Remove left front panel.
2. Push and release Off button.
3. Remove 1 plastic bolt and the reservoir cover.
4. Locate water temperature sensor (inserted into
pump discharge hose).
5. Pull out to remove.
6. Trace back to AutoIQ Controller, unplug from #5.
7. Remove the Discharge Line temperature sensor
(see the next page).
8. Reverse to reassemble.
Purge Valve Timer
The purge valve timer is sensitive to electrostatic
discharge. Be certain to touch a grounded surface
before touching this component. Do the same when
handling the replacement part.
1. Touch a grounded surface.
2. Remove left front panel.
3. Disconnect electrical power.
4. Remove high voltage box cover.
5. Locate timer board at the back of the high
voltage box.
6. Unplug all the wires to the board.
7. Compress each of the four stand-off posts to
release the board from the stand-offs.
8. Remove the board from the unit.
Reverse to reassemble.
May 2000
Page 37
Electrical Shock Hazard
Disconnect electrical
power before beginning
service