For technical problems that cannot be resolved by the resources above, Koolnova provides a clear warranty and support process as documented on its website.
Here are the main Koolnova components you might find referenced in your manual:
: Accessed via the "MODE" button on the screen to switch between heating and cooling. koolnova manual english
The system will progress to "DAY 2". Repeat for all remaining days of the week.
//www.aircontrolclima.it/uploads/products/manual_user_command_wire_kn-kb-eternal-m-fi_en.pdf">Koolnova User Manual . 1. Navigating the Interface For technical problems that cannot be resolved by
Defines if the main unit is an inverter AC split system, VRF, or a water-based hydronic system (fan coils).
If you have an older model (e.g., Slim line), check the specific documentation for that version. Repeat for all remaining days of the week
When the Koolnova system encounters an issue, it displays an error code on the control panel instead of the temperature. Error Code Action Required Communication failure between thermostat and control box. Check wiring connections behind the thermostat wall plate. E02 Master thermostat communication error.
Sets the time delay between the damper opening fully and the HVAC indoor fan activating, preventing static pressure buildup. Zone 1 = Master