DeLonghi EC9665M Quick Start Guide
![DeLonghi EC9665M manual cover](/images/6dc522c77b72cfc46bff4b7d/thumbs/thumb175x175.webp)
To descale the DeLonghi EC9665M, mix a descaling solution with water according to the instructions on the descaler. Pour the solution into the water tank, then run a descaling cycle as described in the user manual. Make sure to rinse thoroughly afterwards by running several cycles with fresh water.
First, check if the machine is properly plugged into a working outlet and that the power switch is turned on. If it still doesn’t turn on, inspect the power cord for damage. If the problem persists, contact customer support for further assistance.
Ensure the steam wand tip is clean and free from milk residue. Regularly purge the steam wand by opening the steam valve to expel any residual water before frothing milk. If performance is still lacking, consider performing a full cleaning of the steam wand assembly.
Weak coffee may result from using an incorrect grind size or insufficient coffee grounds. Ensure you are using a fine espresso grind and the correct amount of coffee in the portafilter. Also, check the machine’s pressure settings and adjust if necessary.
It is recommended to clean the espresso machine after every use. This includes rinsing the portafilter, wiping the steam wand, and emptying the drip tray. A more thorough cleaning, including descaling, should be performed every 1-2 months depending on usage.
Before storing, thoroughly clean and dry the machine. Remove all detachable parts, such as the water tank and drip tray, and store them separately. Keep the machine in a cool, dry place away from direct sunlight and humidity.
Ensure that you do not overtighten the portafilter when attaching it to the group head. Regularly clean the group head and the portafilter to prevent coffee residue build-up, which can cause sticking.
Yes, you can use pre-ground coffee. It is best to use a fine espresso grind for optimal extraction. Avoid coarse grounds typically used for drip coffee makers.
Check to ensure the water tank is properly seated and that the rubber gasket is clean and undamaged. If the leak persists, inspect the tank for any cracks and consider replacing it if necessary.
Refer to your user manual for the specific instructions on adjusting the coffee temperature. Typically, it involves accessing the settings menu and selecting your preferred temperature option.