--- title: "Smeg ERR code on a combi microwave: note the number" description: "What ERRx means on Smeg ERR code on a combi microwave: note the numbers, what to check before booking, and when it is not a failure at all." url: "https://microwaverepair.center/error-codes/smeg-errx/" --- # Smeg ERR code on a combi microwave: note the number Smeg's combi microwave ovens such as the SFU4104MCS print error messages as ERR plus a number. ## What ERRx actually means. Smeg's combi microwave ovens such as the SFU4104MCS print error messages as ERR plus a number. The manual does not explain each number to owners; it asks you to note the message, the function and the temperature that was set. Smeg microwave display · also shown as ERR What to do when ERRx shows on the microwave ### Kind of code Control board and touchpad The electronics that read the keys and run the cycle have flagged a problem with themselves: a key that the control sees as held down for too long, a membrane keypad worn through or swollen by steam, a lost link between the keypad and the board, or a board that failed its own check after a surge. A breaker reset now and then clears a glitch; a stuck key or a code that comes straight back points to the keypad or the board. ### Usually leads to Microwave control board and touchpad repair Tracing a dead display, keys that do not answer or a code that keeps returning to the keypad, the ribbon, the relays or the main board, and replacing only the part that failed. ### Shows up as What a Microwave Error Code Is Telling You A microwave error code may be a letter and a number on the display, a lock or demo word, a row of dashes, or a beep with a blinking clock, and it can show while the microwave still heats or block every key until it is cleared. ### Make Smeg Smeg microwaves checked on site, with attention to the door hinge, the latch and whether the cavity lamp lights as the door swings open. ### Source Smeg SFU4104MCS combi microwave oven instructions SFU4104MCS combi microwave oven manual; the SOCU2304MCX and SOCU3304MCX combi microwave manuals list demo and controls lock but no ERR table. ## Before you book, in this order. Each step comes from Smeg's own guidance for ERRx on its microwaves. Follow it to the end: the last card says whether this is a visit. 01 Write down the full ERR message and what function and temperature were set. 02 Check that demo mode and the controls lock are off, since those cause no-heat and dead-key complaints on their own. 03 Turn the circuit off and on again once the oven is cool. 04 If the ERR message returns, book a visit and give the details you noted. ### Still there? It usually turns into [microwave control board and touchpad repair](https://microwaverepair.center/services/microwave-control-board-and-touchpad-repair/). Book with the code and the model number. ### What not to do An ERR message is different from the demo and controls lock settings, which Smeg lists separately as causes of a cold oven and dead controls. It is also not something a menu setting will clear if it keeps coming back. ## What you may notice with it. The microwave problems ERRx tends to arrive with. Answer these at the microwave before anyone is booked. [All problems](https://microwaverepair.center/problems/) Before you call ### [What a Microwave Error Code Is Telling You](https://microwaverepair.center/problems/microwave-error-code/) [All 7 causes, cheapest first](https://microwaverepair.center/problems/microwave-error-code/) It also comes with - [**Microwave Runs but Food Stays Cold**](https://microwaverepair.center/problems/microwave-not-heating/) - [**Microwave Display Dark, Dim or Scrambled**](https://microwaverepair.center/problems/microwave-display-not-working/) Problem ### What a Microwave Error Code Is Telling You 7 causes, cheapest first Where ERRx usually leads ## Microwave control board and touchpad repair. **Control board, keypad membrane or display · moderate to highest.** Book a visit [What the job involves](https://microwaverepair.center/services/microwave-control-board-and-touchpad-repair/) ## Smeg microwaves. Smeg microwaves checked on site, with attention to the door hinge, the latch and whether the cavity lamp lights as the door swings open. [Smeg microwave repair](https://microwaverepair.center/brands/smeg/) More Smeg codes [SAFE](https://microwaverepair.center/error-codes/smeg-safe/) [LOCKED](https://microwaverepair.center/error-codes/smeg-locked/) [Flashing clock](https://microwaverepair.center/error-codes/smeg-clock-flashing/) Control board and touchpad on other makes [Bosch E-xx](https://microwaverepair.center/error-codes/bosch-e-xx/) [Café KEYPAD SHORTED](https://microwaverepair.center/error-codes/cafe-keypad-shorted/) [Dacor C-F0](https://microwaverepair.center/error-codes/dacor-c-f0/) [Fisher & Paykel F + number](https://microwaverepair.center/error-codes/fisher-and-paykel-f-number/) [Gaggenau Exx](https://microwaverepair.center/error-codes/gaggenau-exx/) [GE Profile F3](https://microwaverepair.center/error-codes/ge-profile-f3/) [JennAir E03](https://microwaverepair.center/error-codes/jennair-e03/) [KitchenAid F2](https://microwaverepair.center/error-codes/kitchenaid-f2/) [All 27 codes of this kind](https://microwaverepair.center/error-codes/#family-board) Smeg builds this ### Microwave hood combination The microwave that hangs from the wall cabinets above the burners, heating food in its cavity while its own fan, light and filters handle the steam and grease rising from the pans beneath it. Smeg builds this ### Built-in microwave A microwave set into a tall cabinet or a wall of cabinetry at eye level, either a countertop body wrapped in a trim kit or a true built-in model, including speed and convection microwaves that brown as well as heat. Smeg builds this ### Microwave drawer A microwave built under a counter or into a kitchen island that opens like a drawer at the touch of a key, with a motor and gears sliding its cavity out toward you. ## In Smeg's own words > If other "ERRx" error messages appear: [Smeg SFU4104MCS combi microwave oven instructions](https://doc.smeg.it/qr/914779254/EN) [Smeg SFU4104MCS combi microwave oven instructions](https://doc.smeg.it/qr/914779254/EN) [Smeg SFU4104MCS combi microwave oven instructions](https://doc.smeg.it/qr/914779254/EN) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. SFU4104MCS combi microwave oven manual; the SOCU2304MCX and SOCU3304MCX combi microwave manuals list demo and controls lock but no ERR table. ## Smeg ERRx microwave repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Write down the full ERR message and what function and temperature were set. If it comes back, it needs a visit. ### What does ERR mean on my Smeg combi microwave? It is an error message whose number Smeg keeps for its technicians. Note the number with the function and temperature that were running. ### Should I reset the power when ERR shows? A power cycle once the oven is cool is a reasonable first step. If the same ERR returns, leave it off and book a visit. ### Could a setting be causing the problem instead? Yes. Smeg lists demo mode for an oven that does not heat and controls lock for keys that do not respond, so check both before booking. --- **[Read on the site: Smeg ERR code on a combi microwave: note the number](https://microwaverepair.center/error-codes/smeg-errx/)** **[Book a visit with MicrowaveRepair.center](https://microwaverepair.center/schedule/)**