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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.

Thermador LOCK ON: the MicroDrawer panel and automatic door are locked

Thermador's Panel Lock goes further than a keypad lock: it also disables the motor that opens and closes the MicroDrawer, which is the point in a kitchen with small children.

(844) 393-5858

Mon–Sat, 8am–8pm

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

Book a visit

Three short steps, about a minute.

or call (844) 393-5858

What LOCK ON
actually means.

Thermador's Panel Lock goes further than a keypad lock: it also disables the motor that opens and closes the MicroDrawer, which is the point in a kitchen with small children. It is set and released by holding 5 for three seconds and is canceled whenever the power drops.

Thermador microwave display · also shown as LOCK OFF

What to do when LOCK ON 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

Hold the number 5 key for 3 seconds until LOCK OFF appears.

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.

MakeThermador

Thermador microwaves diagnosed in place, from a drawer that will not glide open to a built-in unit that runs with no heat.

SourceThermador MD24BS / MD30BS MicroDrawer Use and Care Guide

Thermador MicroDrawer MD24BS and MD30BS (Use and Care Guide 8001299202).

Before you book,
in this order.

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

01

Hold the number 5 key for 3 seconds until LOCK OFF appears.

02

Try the Open key again.

03

If the display says LOCK OFF and the drawer still does not move, book a visit for the drawer drive.

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

LOCK ON is not a jammed drawer. Because an outage clears the lock, a MicroDrawer that is locked every morning is being locked by someone in the house.

What you may
notice with it.

The microwave problems LOCK ON 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

Thermador
microwaves.

Thermador microwaves diagnosed in place, from a drawer that will not glide open to a built-in unit that runs with no heat.

Thermador microwave repair

More Thermador codes

EE11ERRORDEMO ONENJOY YOUR MICROWAVE TOUCH CLEAR

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. Thermador 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. Thermador 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. Thermador 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 Thermador's own words

the automatic door mechanism are deactivated or locked.
Thermador MD24BS / MD30BS MicroDrawer Use and Care Guide Thermador MD24BS / MD30BS MicroDrawer Use and Care Guide Thermador MD24BS / MD30BS MicroDrawer Use and Care Guide

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Thermador MicroDrawer MD24BS and MD30BS (Use and Care Guide 8001299202).

Thermador LOCK ON 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 LOCK ON.

Can I clear LOCK ON myself?
Hold the number 5 key for 3 seconds until LOCK OFF appears.
Why won't my Thermador MicroDrawer open when I press Open?
Check for LOCK ON. The lock blocks the automatic door as well as the keys.
How do I unlock a Thermador MicroDrawer?
Hold the 5 key for three seconds; the display confirms with LOCK OFF.
Does the Thermador lock survive a power outage?
No. Thermador states the Panel Lock is canceled when power is interrupted.

Back to your everyday

Still showing LOCK ON?

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.

Schedule a repair Call (844) 393-5858
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