Question about Thermador CJ302U Double Oven

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Thermador cj302zs sn#373020081104000256

Shows f53 the door on upper is locked and makes noise like it is trying to unlock. the time clock for micro will not count down. is there away to over raide to open door . as we have food in it?

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  • WESTVALLEY Feb 02, 2009

    I HAVE A THERMADOR CM302US WITH THE SAME EXACT PROBLEM.
    SOMEBODY PLEASE HELP!!!



    THE UPPER OVEN DOOR ATTEMPTS BUT FAILS TO UNLOCK AFTER CLEANING CYCLE. IT INTERMITTENTLY MAKES A BUZZING SOUND AS IF IT WAS TRYING TO OPEN BUT IT WON'T.

  • UnhappyInKY Feb 10, 2009

    I had the same problem. Thermador sent repair people repeatedly, and their determination was that the upper latch was broken. Thermador finally gave us our money back (it was a brand-new oven that had never been used by anyone) because they said that the company they contracted with to manufacture latches went out of business. To get the latch open, you just need to get some kind of thin wire (a coat hanger or something thinner, more flexible preferably) and slide the latch. I don't know if you slide left-to-right or right-to-left. The latch kept making a whirring sound when the oven door was closed and chirped an error message when the door was open, so we finally had to turn off the circuit breaker to the oven. I had this problem beginning September 2008 and finally got a check from Thermador in February 2009.

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1 Suggested Answer

Macmarkus
  • 2605 Answers

SOURCE: oven door wont open code f53 thermador how can i

Hello,.

Welcome to FixYa.

The "F53" error code on your Thermador "C" series ovens indicates a upper door lock fault, makes sense since that is the issue you described.

Whether there is actually a fault with the lock remains to be seen. Here is what I`d suggest you try...

Locate the service panel for your oven ( should be an isolated 40amp breaker ) and turn it off for a few moments and turn it back on.

This will initiate the start-up sequence which activates and checks the controls and lock assembly, hopefully resetting it to the "open" position and subsequently eliminating the error code.

Let me know how that works or if you require further assistance.

Thanks for choosing FixYa and good luck.

Regards,

Macmarkus :)

Posted on Sep 29, 2010

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I hope helps.

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Hi, If the self-cleaning operation on your double oven will not work, make sure the oven clock on the upper oven shows the correct time of day. In addition, Make sure the Lock Lever is in the cleaning position, pushed all the way to the right on the top oven. If a delayed start time has been programmed, that may be the cause of the cleaning cycle not beginning right away.

Thanks for using fixya....

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Oven door wont open code f53 thermador how can i get it open food is in it


Hello,.

Welcome to FixYa.

The "F53" error code on your Thermador "C" series ovens indicates a upper door lock fault, makes sense since that is the issue you described.

Whether there is actually a fault with the lock remains to be seen. Here is what I`d suggest you try...

Locate the service panel for your oven ( should be an isolated 40amp breaker ) and turn it off for a few moments and turn it back on.

This will initiate the start-up sequence which activates and checks the controls and lock assembly, hopefully resetting it to the "open" position and subsequently eliminating the error code.

Let me know how that works or if you require further assistance.

Thanks for choosing FixYa and good luck.

Regards,

Macmarkus :)

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1 Answer

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The oven door lock needs approximately 1 hour to cool down before the oven door can be opened after a self cleaning cycle has finished. If the lock does not open after the oven has cooled down, you can try....1) Unplugging the range or shut off the circuit breaker for 5 minutes. Plug the range back in or turn on the circuit breaker. Set the clock and try moving the door lock lever or opening the door. 2) Set the self-clean cycle again and only allow it to work for 15 minutes. Cancel the self-clean cycle and allow the oven to cool. Gently try moving the door lock lever or opening the door.

Most ranges today use 3 different types of door locks...one is a solenoid controlled lock ( you hear a loud buzz noise when setting or unlocking the lock and has a arm that you must move to set the lock )...another is a heat sensitive lock ( has a arm that you must move to lock and un-lock, makes no noises and has a spring that slowly moves to lock the door will the oven is heating up )...Some locks are motorized ( no handle to move, the motor locks the door by it's self when you set the range for self clean )... If the motorized and heat sensitive locks fails to open after the self clean cycle, you must access the lock and move it yourself to open the door. On the free standing ranges, most times you must lift the cook top to access the lock mechanism. On built in ovens, the oven must be pulled out to remove the top access panel to get at the lock mechanism. Some build in ovens can have the control console removed to access the lock system. On the heat sensitive style of lock, there are no electrical parts to operate the lock, usually you will need to replace the lock. On the motorized style of lock, you will have to use a ohm/volt meter to test why the motor will not work. On the solenoid style of lock, the solenoid is often mounted on the back of the range and can be accessed by removing the rear panel, some may be mounted at the front, such as in a built in oven. The failure of the solenoid style of lock is normally caused by a bad lock solenoid. In order to get your door open, you must operate the door latch mechanism manually. Unplug or remove power from the range. Take the rear cover off the range. Locate the door latch assembly and operate it manually and open your door. Then check continuity of the solenoid. Some of the latch assemblies have micro switches to supply power also. You may need to check them. You should be able to get the door open and use your range until you can get a tech to repair if you can not repair yourself.

If you've interrupted the clean cycle or have accidentally set the clean cycle with the oven door open, the latch may have engaged and now the door can't be closed because it will hit the latch. There may be a door activated* switch on the front face of the oven. In this case you may need to manually press that door switch with your finger while at the same time canceling the clean cycle to get the latch to retract so the door can close fully again.

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1 Answer

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