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Model library · Thermador Oven

SEC302

Thermador SEC302

What we most often repair on units like this

  1. One cavity heats while the other stays cold
  2. The display shows an error code or the controls do not respond
  3. A cavity door will not seal or latch properly
  4. Convection fan is loud or does not run

The SEC302 is an older 30-inch Thermador double wall oven, with convection and thermal cavities that work independently. You find it in kitchens that were fitted out years ago and never needed a remodel, which says plenty about how well these ovens were built. Age is what shapes the service approach, though.

Current Thermador error-code documentation does not describe how this legacy unit reports problems, so we cannot simply look a code up. Instead we test the affected cavity directly: the heating elements, the sensors and the control board, one at a time, until the failing part shows itself. The model still has an official Thermador support page, listed under specific sub-model numbers such as SEC302BS.

Parts for an older oven can take longer to confirm. Once we know exactly which part failed, we check sourcing and lead time right away and tell you before you approve any work. Door latching and convection fan noise get a look on every visit as well, since they are common on ovens of this age.

Key features

  • Electric double wall oven, 30 inches wide, convection and thermal
  • Older Thermador model that still has an official support page under sub-model numbers, for example SEC302BS
  • Two separate oven cavities run from a single control system
→Codes

Codes this model may display

SEC302SEC302 questions
Are parts hard to find for a model as old as the SEC302?

It varies from part to part. We confirm sourcing and lead time once the failed part is known, rather than promising or ruling anything out in advance. You hear the answer before you approve the repair.

Will the numbered E codes from newer ovens apply to mine?

Not necessarily. This is an older platform, so we check what the actual oven does instead of assuming current documentation applies. Direct testing tells us more than a code chart would.

What if the controls on my SEC302 simply stop responding?

Switch the oven off at the breaker for a minute and try again. If the panel is still dead, the control board or its supply needs testing, which we can do on site.

Request service

Schedule service for your SEC302

Request a visit online in about a minute or phone our coordinators. Close-in neighborhoods often see a same-day slot; the outer counties usually get the next day across Houston.