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De Dietrich DOP1160B oven heats less than the displayed temperature

For a De Dietrich DOP1160B electric oven that does not reach the temperature shown on the display, the leading suspect is the oven temperature probe. However, the fault should be confirmed with an independent oven thermometer and the exact model variant must be checked before ordering parts.

Created with AI assistance from an anonymized repair case. No individual expert review.

Updated: 2026-09-08

Proceed with extra care

Simple diagnosis can be done without opening the appliance, but replacing the probe or internal checking requires cutting power, removing the built-in oven and working near mains wiring.

  • 220-240 V mains voltage
  • High oven power, about 3.5 kW according to a consulted manual sheet
  • Risk of burns from heating elements and hot walls
  • Sharp metal edges when removing the built-in oven
  • Risk of damaging the thermal insulation or wiring

Detected appliance

De Dietrich DOP1160B

Detection confidence: 92%

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Problem

The reported issue is a De Dietrich DOP1160B built-in electric oven that heats to a lower temperature than the temperature selected or displayed. This can affect cooking results even though the oven appears to operate normally.

Possible diagnosis

The main diagnostic lead is the temperature probe, because an incorrect temperature reading can make the control system regulate the oven too low. Other possible causes remain possible depending on the heating mode and test results, including a fan heating element, bottom element, or electronic power/control board. No final diagnosis is established from the available information.

Is repair worthwhile?

Economic viability is uncertain. The result depends on confirming the exact fault, the appliance variant, part availability, and whether the repair involves only a probe or a more expensive electronic board.

When to use a professional

Simple external temperature confirmation can be done without opening the appliance. Internal checks or replacement require isolating the oven from mains power, removing a built-in appliance, and working near 220–240 V wiring and high-power heating circuits. If there are signs of overheating, browned connectors, burning smell, tripping, or suspected board faults, stop using the oven and use a professional technician.

Parts and compatibility

Temperature probe references vary by exact variant. Part 74X2322 was found for some DOP1160B/DOP1160B4 variants. Part AS0000030 was listed for DOP1160B1. Do not order a probe using only the commercial reference DOP1160B; confirm the complete type on the rating plate, such as DOP1160B1, DOP1160B3 or DOP1160B4. Other listed parts include fan oven element CA5C006A7, bottom element 74X3170, and electronic board AS6020412 or AS6020413, but these should only be considered if diagnosis supports them.

Possible replacement parts

  • Oven temperature probe — Part number: 74X2322

    Reference found for DOP1160B/DOP1160B4 at SOS Accessoire, Sogedis and Menager-Technic. Must be verified with the complete type shown on the rating plate: DOP1160B1, DOP1160B3, DOP1160B4, etc.

  • Oven temperature probe — Part number: AS0000030

    Reference listed for DOP1160B-DOP1160B1 at Menager-Technic. Do not order without confirming that your appliance is indeed the DOP1160B1 variant.

  • Fan oven element 2100 W — Part number: CA5C006A7

    Consider only if the fault appears mainly in fan-assisted mode or if the rear element is open-circuit on a multimeter.

  • Bottom element 1200 W — Part number: 74X3170

    Consider if the bottom of the oven heats poorly or if a mode using the bottom element gives too low a temperature.

  • Electronic board / power board — Part number: AS6020412

    Alternative numbers: AS6020413

    Possible cause if the probe and elements are correct but regulation remains wrong. Compatibility is highly dependent on the exact variant and repair should preferably be entrusted to a professional.

Repair guidance

Difficulty: Moderate

Estimated time: 45-90 min for a technician or competent DIYer after identifying the correct part

Warnings

  • Do not order a probe using only the commercial reference DOP1160B; variants such as DOP1160B1 and DOP1160B4 may use different probe references.
  • Disconnect power at the breaker before any opening; this is a high-power mains appliance.
  • Never bypass a probe, safety thermostat, or door lock.
  • If overheating marks, browned connectors, burning smell, tripping, or board faults are present, stop use and call a professional.

Possible sources

Sources and further information

Common questions

Which temperature probe fits a De Dietrich DOP1160B?

It depends on the exact variant. 74X2322 is associated with some DOP1160B/DOP1160B4 variants, while AS0000030 is listed for DOP1160B1. Verify the full type on the rating plate before ordering.

Is the temperature probe definitely the cause?

No. It is the main lead for an oven heating below the displayed temperature, but heating elements or the electronic board may also be involved depending on test results.

AI content may contain errors. Check the model and part number before ordering. Hazardous work requires a qualified professional; prices and availability may change.

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