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Error code reference

Bosch Refrigerator Error Code DOOR OPEN

Door is not closed properly during a defined time period.

Bosch codesBosch refrigerator codes

Door is not closed properly during a defined time period.

First step from the service manual

Check relevant Switch submenu under Service Menu.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What DOOR OPEN means on a Bosch refrigerator

The DOOR OPEN error on a Bosch refrigerator activates when the refrigerator detects that one of its doors has remained open or unlatched beyond a defined time threshold. The appliance monitors door position continuously using a door switch, which is a mechanical or magnetic switch that opens or closes its circuit depending on whether the door is physically shut. When the door stays open long enough to trigger the alert, the control board logs the condition and displays this error to prompt user or technician attention.

The door switch circuit feeds a signal directly to the main control board. If the switch itself is faulty, corroded, or out of alignment, it may report an open-door condition even when the door is physically closed. The Service Menu on Bosch refrigerators includes a dedicated Switch submenu, which allows a technician to read the live state of each door switch in real time. This is the recommended first diagnostic step, as it immediately confirms whether the issue is a true open door, a misaligned door, or a failed switch reporting incorrectly.

Common contributing factors include worn door gaskets that prevent a proper seal and latch, hinges that have shifted over time causing the door to sit unevenly, or a door switch that has failed mechanically. Overloading the refrigerator shelves or door bins can also cause the door to not close flush. Diagnosing through the Service Menu switch readout eliminates guesswork and confirms whether the switch signal is changing correctly when the door is opened and closed.

Source: manufacturer service documentation.

Common causes of DOOR OPEN

  1. 01

    Door physically left open or ajar

    Wiring / connection

    The most straightforward cause is that a door was not pushed fully closed after use. Check all refrigerator and freezer compartment doors to confirm each one is fully latched.

  2. 02

    Worn or damaged door gasket

    Part replacement

    A gasket that has hardened, torn, or warped over time may not create a proper seal, allowing the door to appear closed while the switch detects it as open. Inspect the gasket around the entire perimeter for gaps, cracks, or deformation.

  3. 03

    Faulty or misaligned door switch

    Part replacement

    The door switch may have failed mechanically or drifted out of alignment so it no longer actuates correctly when the door closes. This can be confirmed using the Switch submenu in the Bosch Service Menu to check the live switch state.

  4. 04

    Misaligned or sagging door hinges

    Wiring / connection

    Hinge wear or loosened hinge screws can cause the door to hang at an angle, preventing it from making full contact with the switch actuator. Visually inspect the door alignment and check for any vertical drop or lateral shift.

  5. 05

    Overloaded door bins or shelves blocking closure

    Wiring / connection

    Items stored in the door bins or on shelves positioned too close to the door can physically obstruct the door from closing completely. Remove items and attempt to close the door again to rule this out.

See the test procedure for each cause

Frequently asked questions about DOOR OPEN

What does DOOR OPEN mean on a Bosch refrigerator?
The DOOR OPEN error means that the refrigerator detected one of its doors was not properly closed for longer than the defined time limit. The appliance monitors door position through a door switch circuit connected to the main control board. The error is triggered to alert the user or technician to address the open or improperly latched door before temperature and food safety are affected.
How do I fix the DOOR OPEN error on my Bosch refrigerator?
Start by checking that all doors are physically pushed closed and latched. Inspect the door gaskets for damage or gaps that might prevent a proper seal. If the doors appear fully closed but the error persists, a technician can access the Switch submenu in the Bosch Service Menu to confirm whether the door switch is reading correctly. A faulty door switch or misaligned hinge may need to be adjusted or replaced.
Is it safe to keep using my refrigerator while the DOOR OPEN error is showing?
If the door is genuinely open or not sealing properly, warm air is entering the cabinet, which can raise internal temperatures and put food safety at risk. You should address the error promptly. If the error appears to be a false reading from a faulty switch and the door is physically sealing well, the refrigerator may continue to cool, but the underlying switch issue should still be diagnosed and repaired.
Will resetting my Bosch refrigerator clear the DOOR OPEN error?
A reset may temporarily clear the displayed error, but it will return if the root cause is not resolved. If the door switch is faulty or the door is still not closing properly, the control board will detect the condition again and reactivate the alert. Resolving the physical or electrical cause of the error is required for a permanent fix.
How much does it cost to repair the DOOR OPEN error on a Bosch refrigerator?
Repair costs vary depending on the cause. If only a door gasket needs replacement, parts and labor typically range from $100 to $250. A door switch replacement is generally in the $75 to $200 range for parts and labor combined. Hinge adjustment may cost less if no new parts are required. Diagnostic fees from a qualified technician are usually separate and can range from $60 to $120.

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