I had to switch it off if the ice dispenser was not used for a long time. The ice compartment was full. But I'm not sure whether it would have switched off on its own. However, it is extremely easy to switch it off on the front display, virtually on the fly
The "SbS fridge-freezer (632 l)" from Hisense with the product ID "20012802" offers an ice cube dispenser function, but this does not require a direct water connection. Instead, the water tank required for the ice cube dispenser can be filled manually.