To Next PageTo Next PageHow to fix a DeLonghi Heater when the display doesn't work?
If the display on your DeLonghi Heater isn't working, first, ensure it's properly plugged into a working electrical outlet. Also, check if the safety device has switched off the appliance. If so, remove any obstruction and let the appliance cool down. If it still doesn't work, contact De'Longhi Customer Service.
Why is my DeLonghi Dragon4 Pro Heater not warming up?
If your DeLonghi Heater isn't warming up, the temperature setting might be too low. Try setting the temperature to a higher value.
What to do if my DeLonghi Dragon4 Pro display shows 'Ht'?
If your DeLonghi Heater displays 'Ht', it means the unit has reached a too high internal temperature. First, check that the unit is not covered and allow it to cool down. The alarm should disappear once the internal temperature decreases. If the appliance still doesn't work, contact DeLonghi Customer Service.
What does '+ unit off (Probe failure 1)' mean on my DeLonghi Heater?
If your DeLonghi Heater displays '+ unit off (Probe failure 1)', it indicates that the room temperature sensor has failed. Please contact De'Longhi Customer Service.
What does '+ unit off (Probe failure 2)' mean on my DeLonghi Dragon4 Pro Heater display?
If your DeLonghi Heater displays '+ unit off (Probe failure 2)', it means the probe of the internal safety of the device has failed. Please contact De'Longhi Customer Service.
Details electrical specifications like voltage, frequency, and wattage for the appliance.
Guidance on proper placement of the heater and connecting it to a power source.
Instructions for setting the 24-hour clock display and its functions.
Guidance for initial setup, including unfolding the wheels and first operation.
Explanation of various symbols and indicators shown on the unit's digital display.
How to adjust the desired temperature using the control dial for heating.
Adjusting working power levels and enabling energy-saving ECO mode.
How to activate and use the anti-freeze feature to prevent freezing.
Setting up custom heating schedules using time intervals and temperature settings.
Modifying temperature settings for T1 and T2 within the timer program.
Activating or deactivating the key lock to prevent accidental button presses.
Adjusting the display brightness level during inactivity.
Enabling or disabling the buzzer sound for various operations.
How the appliance retains settings after a power interruption.
Interpreting error messages and codes displayed by the unit.
Instructions for cleaning the radiator and proper storage procedures.
General