
TP00952
November 26, 200118
Curtain Open
Yellow LED off Right evaporator curtain open.
Yellow LED off Left evaporator curtain open.
Prechill Mode
Condenser Fan Green LED (on or off) Condenser fan cycles on and off depending upon condenser temperature.
Compressor Green LED (on) Compressor contactor activeĆcompressor running.
Right Curtain Yellow LED (on) Right evaporator curtain closed.
Left Curtain Yellow LED (on) Left evaporator curtain closed (only if unit has two evaporators).
Fill Valve Green LED (on) Fill valve open.
Dump Valve Green LED (on) Dump valve open.
Ice-Making Mode
Green LED (on or off) Condenser fan cycles on and off depending upon condenser temperature.
Green LED (on) Water pump active.
Green LED (on) Compressor contactor active - compressor running.
Yellow LED (on) Right evaporator curtain closed.
Yellow LED (on) Left evaporator curtain closed (only if unit has two evaporators).
Harvest Mode
Hot Gas Green LED (on) Hot gas valve open.
Compressor Green LED (on) Compressor contactor activeĆcompressor running.
Yellow LED (on) Right evaporator curtain closed. When the ice falls and the curtain opens, the
LED will turn off.
Yellow LED (on) Same as above if there is a second (left) evaporator.
HARVEST BUTTON
The Harvest Button is located on the control board (See Figure 5 in the Cleaning Procedures chapter.
Manual Harvest
1. At any time after secondary start up, the machine can be put into the harvest cycle by depressing
the harvest button.
2. Pressing the harvest button will tell the microprocessor to skip directly to the harvest cycle.
3. Once the harvest cycle completes, the machine continues with normal operations.
Unit Check
1. Like manual harvest, any time after secondary start up the microprocessor monitors the harvest but-
ton.
2. If the harvest button is depressed and held for 5 seconds, the unit goes into a diagnostics mode.
3. All outputs are initially turned off.
4. Then the microprocessor powers each output individually for one second.
5. This continues from 10 minutes or until the power is cycled.
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