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Note:
• The controller will need to be reset to clear these error codes.
• Board Revision numbers are found on the sticker placed on a processor chip in the middle
of the control board. Example: K4B-1.2 indicates a board revision number 1.2
Stacked Jumpers:
• Under normal operation all machines will have a jumper across the left pins. If this jumper is
removed the water valve will stay energized to thoroughly rinse the water plate during the
water plate lowering, harvest and water plate rising cycles.
Note: The machine will need reset for the controller to acknowledge this change.
• The right jumper is used to tell the controller when it is being used on a dual evaporator
machine (GB1064 models only). This is set at the factory and should never be removed.
Programming Port: Used by service technicians to alter or up date the controller software.
Water Level Sensor: Port for water level sensor probes or FLOAT.
Evaporator Temperature Adjustment: To increase the temperature of the evaporator at which
the water plate closes, turn this dial counterclockwise. To decrease, turn the dial clockwise. The
operator can adjust the harvest termination temperature between 35 and 60F.
Note: After adjustment the controller must be reset.
Reset Button: Reboots the controller.
Temperature Sensor Port: For evaporator and bin temperature sensor probes.
Bin Full Adjustment: To increase the temperature at which the ice level probe reacts to contact
with ice in the bin turn the dial clockwise. To decrease, turn the dial counterclockwise. The
temperature range for this adjustment is between 33 and 45F.
Note: After adjustment the controller must be reset.
Switch Input Port: For the on/off, ice/clean and limit switches
Factory Use Only: Used to display diagnostic codes to a LCD monitor used only by service the
factory.
Output: AC output for powering the fan(s), compressor, water pump(s), actuator motor(s),
contactor(s), and valves.
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