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The keypad of a built-in microwave in a tall cabinet, a small padlock symbol lit on the plain display, the mesh-window door closed on an empty glass turntable.

Smeg SAFE: the built-in microwave is in child lock

Smeg's 24-inch microwave with broil element calls its child lock the Safety Block.

(844) 393-5858

Mon–Sat, 8am–8pm

  • Mode, not a failure
  • No repair needed
  • Source: Smeg

Book a visit

Three short steps, about a minute.

or call (844) 393-5858

What SAFE
actually means.

Smeg's 24-inch microwave with broil element calls its child lock the Safety Block. Holding the Stop key for three to five seconds turns it on, the display shows SAFE, and every function is refused until the same long press releases it.

Smeg microwave display

What to do when SAFE shows on the microwave

Kind of codeMode, not a failure

Something was switched on rather than something wearing out: a child or control lock set by a long press on the wrong pad, after which no key answers, a demo or showroom setting that lights the display and turns the plate while nothing warms, a Sabbath setting that dims the panel and mutes the beeps, or a clock left blinking after an outage that holds the keypad until it is set. No part is needed; a key sequence from the manual switches it off again.

Usually leads toNo repair

Press and hold the Stop key for three to five seconds.

Shows up asWhat 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.

MakeSmeg

Smeg microwaves checked on site, with attention to the door hinge, the latch and whether the cavity lamp lights as the door swings open.

SourceSmeg SFU4300MX / SOCU2300MX compact microwave with grill instructions

SFU4300MX and SOCU2300MX compact 24-inch microwaves with broil element.

Before you book,
in this order.

Each step comes from Smeg's own guidance for SAFE on its microwaves. Follow it to the end: the last card says whether this is a visit.

01

Press and hold the Stop key for three to five seconds.

02

Check that SAFE has left the display and the clock or keys respond.

03

Try a short cook with a cup of water to confirm heating.

04

If SAFE will not clear or returns on its own, book a visit for the keypad and board.

Cleared?

The code has gone and a mug of water heats again without a new part. If it comes back this week, or the food starts coming out cold in the middle, mention in the booking that it came back.

What not to do

SAFE is not a safety alarm or a sign of overheating; it is only the lock setting. The same manual reminds you to check the Safety Block whenever the keys do nothing.

What you may
notice with it.

The microwave problems SAFE tends to arrive with. Answer these at the microwave before anyone is booked.

All problems

Before you call

What a Microwave Error Code Is Telling You

All 7 causes, cheapest first

It also comes with

Close view of the control panel beside the side-hinged door with a mesh window of a built-in stainless microwave in a tall kitchen cabinet, a few abstract lit segments on its small display, the microwave cavity dark behind the closed mesh window. Problem

What a Microwave Error Code Is Telling You

7 causes, cheapest first

No repair indicated

Nothing to repair.

Something was switched on rather than something wearing out: a child or control lock set by a long press on the wrong pad, after which no key answers, a demo or showroom setting that lights the display and turns the plate while nothing warms, a Sabbath setting that dims the panel and mutes the beeps, or a clock left blinking after an outage that holds the keypad until it is set. No part is needed; a key sequence from the manual switches it off again.

How to read what your microwave is telling you

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

More Smeg codes

LOCKEDERRxFlashing clock

Mode, not a failure on other makes

Bertazzoni LOCKBosch LOCK ONCafé CONTROL LOCKEDDacor LOCK ONFisher & Paykel LOCKFulgor Milano LOCK ONGaggenau Demo modeGE Profile LOC
All 46 codes of this kind
A stainless microwave hood combination mounted under white shaker wall cabinets in a US kitchen, the microwave's side-hinged door closed with its dark mesh window, a plain glass bowl visible faintly on the glass turntable inside the microwave, the lamp on its underside glowing softly onto a cooking surface that is cropped and out of focus at the bottom edge. 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.

 A stainless built-in microwave set flush into a tall walnut cabinet at eye level in a US kitchen, a thin steel trim frame around the microwave, its door closed with a dark mesh window and a plain glass dish on the glass tray inside the microwave, soft daylight from the side. 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.

 A stainless microwave drawer built into a light oak kitchen island under a marble counter in a US home, the microwave drawer slid fully open toward the camera to show its flat interior with a plain covered glass casserole dish inside, the control strip along the top edge of the microwave blank or showing plain digits only. 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

"SAFE" appears on the display and the oven performs no function.
Smeg SFU4300MX / SOCU2300MX compact microwave with grill instructions Smeg SFU4300MX / SOCU2300MX compact microwave with grill instructions

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. SFU4300MX and SOCU2300MX compact 24-inch microwaves with broil element.

Smeg SAFE 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.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 areas

Miami / South FloridaFL · 47 areas

New York MetroNY · 75 areas

HoustonTX · 36 areas

ChicagoIL · 50 areas

Los AngelesCA · 95 areas

San DiegoCA · 31 areas

San Francisco Bay AreaCA · 74 areas

A family warming plates of food at a built-in microwave in a bright kitchen
For the heart of your home.

Questions
about SAFE.

Can I clear SAFE myself?
Press and hold the Stop key for three to five seconds.
Does SAFE on my Smeg microwave mean something is wrong?
No. It means the child lock is on. A long press on Stop releases it.
How was SAFE set on my Smeg microwave?
By holding the Stop key for a few seconds, which is easy to do by accident when canceling a program. The same hold turns it off.
What if nothing happens when I press keys and SAFE is not shown?
Then check whether the time display has been switched off in the basic settings. Keys that stay dead after that point to the keypad or board, which a visit sorts out.

Back to your everyday

Still showing SAFE?

Three details make the booking useful: the characters or beeps just as they appeared, every character of the model number, and whether a cup of water still warms up. With those, the technician arrives already halfway to the answer.

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