Special Programming

This mode include the lock/unlock feature, control initialization, and testing of the outputs and displays.

Press and hold the base heat button at any time to exit Special Programming Mode. If not buttons are pressed for 1 minute, controls automatically exits Special Programming Mode.

  1. Turn power switch off.

  2. Press and hold both the Up arrow button and the Down arrow button while turning on the power switch.

  3. "SP" displays, followed by "P=L" or "P=U".

  4. Press the Up arrow button or the Down arrow button to either lock ("P=L") or unlock ("P=L") the control.

  5. Locking the controls will not allow anyone to change the heat values of the shelves until the controls are unlocked.

  6. Press the base heat button.

  7. "In" displays. Press and hold the Up arrow button or the Down arrow button to re-initalize the controls, which sets all heat settings to "OFF", or factory set parameters. "In3", "In2", "In1" displays, followed by "In-", "Sys", indicating the initialization is complete.

  8. Press the base heat button.

  9. "OP" displays. Press and release the shelf buttons to turn off and on the heat outputs for each shelf. Press and release the Down arrow button to turn off and on the base heat outputs. Press the Up arrow button to turn off and on all displays and outputs.

  10. Press and hold base heat button to exit Special Programming Mode.