How to completely unprogram the SAUNIER DUVAL EXABOX 7J thermostat?

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To completely unprogram your SAUNIER DUVAL EXABOX 7J thermostat and cancel all previous programming, follow the steps below:

Steps to completely unprogram the EXABOX 7J

Turn on the device and access the main menu by pressing the Menu or OK button depending on your model.
Navigate to the programming menu using the directional arrows until you find the Programming or Time Settings option.
Look for the reset option or Cancel Programming. This option may be named Reset, Clear, or Unprogram.
Confirm the unprogramming by validating with the OK or Validate button. The device will then delete all saved time programs.
Check that the programming is cleared by returning to the programming menu: no time slots should appear.

If your model does not provide an explicit option to clear the programming, you can also perform a full reset of the device:

Turn off the thermostat.
Remove the batteries for about 30 seconds.
Reinsert the batteries and turn the device back on.
The thermostat will then return to its factory settings, deleting all programming.

This operation allows you to start from a blank configuration.

Note: after unprogramming, you will need to manually reconfigure the desired times and settings.