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Manual 2100-574
Page 20 of 23
PROGRAMMING INSTRUCTIONS
To swap lead and lag unit positions, press the
ADVANCE button.
To enter the Program mode, press the PROGRAM
button and release it when the message PROG
appears on the display. When in Program mode, the
DOWN and UP arrows are used to scroll through the
programming steps.
A FLASHING display means that the function or choice
is “SET”, and the display will alternate between the step
function and setting.
To change the setting of any step, press the CHANGE
button and the display will stop ashing, allowing
change to the setting by using the DOWN or UP
arrows. When desired setting is reached, press the
SAVE button, and proceed as desired. When done with
programming changes, press the PROGRAM button
until display stops ashing and room temperature
display is shown. If no buttons are pushed within thirty
(30) seconds, the controller will automatically revert
back to “RUN” mode.
To reset all controller settings to the factory default
values, press the PROGRAM button for 10 seconds
until display reads dEF.
NOTE: When the controller has the security locking feature enabled, no changes to any selectable features can be
made, and the default reset feature is also locked out. All of the programmable features/settings can be reviewed
using the Program button and Up or Down arrows, but any attempt to change settings using the Change button will
result is display showing “Locd” indicating controller is locked. See section on Security (Locking) Feature.
See next page for Programmable Features, Default Settings and MD4000 front panel label layout.
NOTE: When using the controller buttons to review settings or making changes, push and hold the buttons for
approximately 1 second or until the display changes.
Quickly pushing or jabbing the buttons will not allow the controller to respond.