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Error code reference

Thermador Oven Error Code E207

Lower cavity (Cvt 2) door latch does not unlock.

Thermador codesThermador oven codes

Lower cavity (Cvt 2) door latch does not unlock.

First step from the service manual

Refer to Diagram 2/4.

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

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What E207 means on a Thermador oven

Error code E207 on a Thermador oven indicates that the lower cavity door latch (referred to as Cavity 2, or Cvt 2 in Thermador terminology) has failed to unlock after a self-clean cycle or a latch engagement event. The door latch assembly on this cavity is motorized and controlled by the oven's main control board. When the control board sends the unlock signal and does not receive confirmation that the latch has fully retracted to the unlocked position, E207 is triggered. This is a safety-driven fault: the oven will not allow normal operation or door access until the latch position is confirmed.

The latch mechanism in the lower cavity relies on a motorized actuator and a set of position switches (or a latch switch assembly) that report the latch state back to the control board. If the motor fails to drive the latch, if the latch is mechanically obstructed or jammed, or if the position switch fails to signal the unlocked state even when the latch has physically moved, the control board registers E207. Wiring faults between the latch assembly and the control board can also produce this code by interrupting the feedback signal.

The first diagnostic step is to refer to Diagram 2/4 in the service documentation for this model. That diagram identifies the wiring path, connector locations, and switch positions associated with the lower cavity latch circuit. Technicians should begin by inspecting the latch mechanism for physical obstructions, verifying continuity through the latch motor circuit, and confirming that the position switch operates correctly throughout its range of travel.

Source: manufacturer service documentation.

Common causes of E207

  1. 01

    Jammed or obstructed latch mechanism

    Wiring / connection

    Food debris, warped metal from heat, or a misaligned latch bar can physically prevent the motorized latch from retracting to the unlocked position. Inspect the latch slot at the top of the lower cavity door opening for visible obstructions or deformation.

  2. 02

    Failed latch motor or actuator

    Part replacement

    The motorized actuator that drives the latch bolt may have burned out or seized, especially after repeated or extended self-clean cycles. If the motor does not run when the unlock signal is sent, the latch cannot move and E207 will be triggered.

  3. 03

    Defective latch position switch

    Part replacement

    Even if the latch physically moves to the unlocked position, a faulty position switch will fail to report that status back to the control board, causing E207 to persist. Test the switch for proper continuity changes as the latch travels through its full range of motion.

  4. 04

    Wiring harness fault in the latch circuit

    Wiring / connection

    A broken wire, loose connector, or damaged harness segment between the lower cavity latch assembly and the main control board can interrupt both the drive signal and the feedback signal. Refer to Diagram 2/4 to trace the specific connectors and wire routing for this circuit.

  5. 05

    Main control board failure

    Part replacement

    If the control board is not outputting the correct voltage signal to the latch motor, the latch will never receive the command to unlock. This is less common and should be considered after the latch assembly, switches, and wiring have been confirmed good.

See the test procedure for each cause

Frequently asked questions about E207

What does E207 mean on a Thermador oven?
E207 means the lower cavity door latch (Cavity 2) failed to unlock. The oven's control board sent the unlock command but did not receive confirmation that the latch returned to the open position. This fault is most commonly triggered after a self-clean cycle and prevents the lower oven door from being opened normally.
Can I fix E207 on my Thermador oven myself?
Some causes of E207 can be addressed without professional help, such as clearing a physical obstruction from the latch mechanism or checking for a loose wiring connector at the latch assembly. However, replacing the latch motor, position switch, or control board requires disassembly of the oven cavity and comfort working with appliance wiring. If you are unsure about any of these steps, it is best to contact a qualified technician.
Is it safe to use my Thermador oven while E207 is active?
You should not attempt to force the lower cavity door open while E207 is active, as this can damage the latch assembly or the door hinge. The oven may also restrict normal cooking operation in the lower cavity until the fault is resolved. Address the latch issue before resuming use of the affected cavity.
Will resetting my Thermador oven clear the E207 code?
Power cycling the oven by shutting off the circuit breaker for several minutes may allow the latch motor to attempt the unlock sequence again, and in some cases this clears a temporary fault. However, if there is a mechanical obstruction, a failed component, or a wiring issue, the code will return. A reset is a reasonable first step but is not a substitute for diagnosing the underlying cause.
How much does it cost to repair a Thermador oven E207 error?
Repair costs vary depending on the faulty component. A latch assembly or position switch replacement typically falls in the range of $100 to $300 for parts, with additional labor costs if a technician is involved. Control board replacement is more expensive, generally ranging from $250 to $600 or more for the part alone. Getting a diagnostic visit from a certified technician is the most reliable way to determine the exact cost for your specific situation.

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