Let me know the exact symptom before/after the fix, and I can locate the correct Smeg service procedure for the 317AR3.

“After the update, my 317AR3 finally holds 4°C steady. The freezer stopped turning into a glacier. SMEG should have recalled this earlier, but at least the fix works.” — Verified buyer, UK appliance forum

The update can take 20–30 minutes; if the car’s "Economy Mode" triggers and cuts power, it can permanently "brick" the head unit.

In the world of high-end retro refrigeration, stands as an icon of Italian design. However, even the most beautiful appliances are now “smart”—and with smart features come firmware updates. Recently, a specific wave of updates for the SMEG 317AR3 model (a popular 50’s retro style fridge-freezer) left many owners scratching their heads. Reports flooded forums about erratic temperature displays, Wi-Fi dropouts, and unresponsive controls.

Because the Smeg 317AR3 requires a physical connection to the board for a software update, this is not a DIY "over-the-air" fix. You will need a service provider who carries the . Prevention and Maintenance

The compressor would start and stop erratically every 3-5 minutes, causing unusual buzzing sounds and raising energy consumption.