IM-S27-12 CH Issue 1 5
15. If changes have been made to parameters in either of the CONFIGURATION MODES,
then when returning to BASE MODE, four LED dots may appear on the upper display
beneath the main digits.
This indicates that the configuration changes have now invalidated any previously set up
parameters in Program Define mode.
No programs will be able to run until changes have been made in Program Define or
Operator Edit modes.
The 4 LED dots will then disappear showing that the operator has recognized this
condition and taken the appropriate action.
3. Controller modes
The programmer has four operating modes (plus normal configuration mode and hardware
configuration mode):
Base Mode Display status - RUN, SET, PRG indicators Off.
(No security level) No program is running in this mode
Operator Edit Mode
Display status - 'Op.Edit' message
(Security level 1 or 2)
Program Run Mode Display status - RUN, EV1 indicators on
(Security level 2) Selected Program running
Program Define Mode Display status - 'Def.Prog' message
(Security level 2) Used to view and edit programs
Controller Define Mode Display status - 'Def.Ctrl' message
(Security level 2) Used to define the controller characteristics
Configuration Mode
Display status - 'Conf' message
(Config. security code)
Additional information and details of factory settings when used for the EasiHeat application are
detailed in the following sections
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