Basic menu
Use the Basic menu to quickly edit the On and OFF temperature values, as well as the Sensor Failure
Mode (SF) and the Anti-Short Cycle Delay (ASd) value.
See Parameter codes and modes of operation and Table 3 for more information about parameter
codes, usable parameter values, and default values.
Figure 7: Navigating the Basic menu
Viewing and changing values in the Basic menu
To access the Basic menu and view and change the Basic parameter values, complete the following
steps:
1. On the Main screen, press MENU. The LCD displays OFF, which is the first parameter code
screen displayed in the Basic menu.
2. To scroll through all of the basic parameter codes and display the preferred code, press Down
or Up
3. With the preferred parameter code displayed, press MENU to display the current parameter
value for the code.
4. With the current parameter value displayed, press Down or Up to scroll through all of the
parameter’s usable values and display the preferred value.
5. With the preferred parameter value displayed, press MENU to save the displayed value and go
to the next parameter code.
To exit the Basic menu and go to the Advanced menu, simultaneously press and hold Down and
Up, for 5 seconds.
A421 Series Electronic Temperature Controls with Off-Cycle Defrost Installation Guide14