Emerson CopelandScroll ZX 401 User Manual page 8

Keyboard Descriptions - Single Button
Set
Start
Reset
Up
Down
Service
Defrost
Keyboard Descriptions - Combined Buttons
+
Press and hold for about 3 seconds to lock (Pon) or unlock (PoF) the keyboard.
Pressed together to exit programming mode or menu; under rtC and Par, this combination allows the user to go
+
back to previous level.
+ Pressed together for 3 seconds allows access to first level of programming mode.
Pressed together for 3 seconds allows access to EXV manual setting.
+
Controller Display Upon Start-up
Step Action
1 Power on controller
2
3
4
8
Display target set point; In programming mode, select a parameter or confirm an operation.
Hold for 5 seconds to reset any lockouts if the current state of the controller allows for it to be
reset.
Enter the fast access menu; In programming mode, browse the parameter codes or increases
the displayed value.
In programming mode it browses the parameter codes or decreases the displayed value.
Enter the service and alarm menu.
Hold for 3 seconds to start a manual defrost or terminate an active defrost.
(Not available at the moment).
All LEDs will light up for 3 seconds.
Firmware version will be displayed for 3 seconds.
Parameter setting file (bin file) identifier will be displayed for 3 seconds.
Normal display (actual suction temperature will be displayed on ZXD unit, condensing
temperature will be displayed on ZX/ZXL/ZXB unit)
Phenomenon and Description