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This section shows each display window and gives important information necessary for understanding and
operating the LCD text functions of the 2301 Controller.
To start, the index below shows where in this section to nd each and every function of the controller.
This will enable the user to correctly program all functions of the storage unit to meet their individual needs.
The overall operation consists of two basic modes: the Standard Operating Mode, and the Program
Mode. The unit is in the Standard Operating Mode when the Program/Lock key switch on the front panel (Page
6, number 9) is turned to Lock. To enter the Program Mode, the key must be inserted and the switch turned to
Program.
In the Standard Operating Mode, there are 6 dierent displays possible. They are as follows:
Standard Display - Display number 1 - page 14
Standard Display While Unit is Filling - Display number 2 - page 14
Standard Display With Lid Open - Display number 3 - page 15
Alarm Condition Display - Display number 90 - page 15
Alarm Condition Display With Audible Alarm Muted - Display number 91 - page 15
Printing Report - Display number 99 - page 15
The Alarm Condition display will give the specic cause of each alarm condition that may be occurring.
The following is a list of the possible alarm conditions:
Low Alarm Open Fill
High Alarm Open Bypass
Source Alarm Temp. A Probe
Temp. A High Temp. B Probe
Temp. B High Open BP Probe
Thermistor Open LN2 Overow “Optional” Additional Equipment Required
In the Program Mode, there are various displays possible. The following is a list of programming
functions and the corresponding display windows. For each of these programming functions, there may be sub-
menus that follow the primary display window. The sub-menus are not listed here, but are shown and explained
following the primary windows. The primary programming functions are as follows:
Main Menu - Display number 4 - page 16 Provides access to:
Date/Time Settings - Display number 8 - page 17
Tank ID Settings - Display number 13 - page 18
Liquid Level Settings - Display number 15 - page 18
Main Menu 2 - Display number 5 - page 16 Provides access to:
Temp Settings - Display number 19 - page 18
Printer Functions - Display number 22 - page 19
Bypass Settings - Display number 24 - page 19
Main Menu 3 - Display number 6 - page 16 Provides access to:
Control Validation - Display number 40 - page 20
Fill Timer Settings - Display number 7A - page 17
Revision level- Display number 42 - page 23
Main Menu 4 - Display number 7 - Page 16 Provides access to:
One Fill All Fill - Display #44 on page 24
Log - Display #45 on Page 23
Return to Main Menu - Display #4 on page 16
LCD DISPLAY FUNCTIONS
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