Bauknecht Refrigerator Error E04

⚡ Quick Answer: The Bauknecht refrigerator error code E04 indicates a cabinet or ambient temperature sensor failure, leading to issues with temperature regulation and... ✅ DIY Fixable

What Does Error E04 Mean?

The Bauknecht refrigerator error code E04 indicates a cabinet or ambient temperature sensor failure, leading to issues with temperature regulation and possible ice production problems. Symptoms include the display of E04 on the control panel, incorrect temperature readings, and unusual humming sounds. This error may stem from a faulty NTC sensor or a loose connection. Addressing this issue quickly ensures optimal cooling performance and prevents further complications.

Common Symptoms:

  • Error code E04 displayed on control panel
  • Refrigerator may report incorrect temperature or stop ice production
  • Temperature control may behave abnormally (too cold or not cold enough)

Possible Causes

  • Cabinet/ambient NTC temperature sensor failure (medium)
  • Loose or damaged sensor connection (medium)

How to Fix Error E04

DIY Fix Basic checks and reset

  1. Unplug the refrigerator from power for at least 5 minutes.
  2. Inspect the interior for obvious moisture or ice buildup near the sensor area (if visible).
  3. Plug the refrigerator back in and observe whether E04 reappears.

Technician Only Inspect and replace the cabinet/ambient temperature sensor

  1. Disconnect power to the refrigerator.
  2. Locate the cabinet/ambient NTC sensor (typically inside near air return grills or within the ice storage area).
  3. Check the sensor wiring harness and connectors for damage or moisture.
  4. Test the sensor resistance at room temperature with a multimeter to confirm failure.
  5. Replace the faulty sensor with a manufacturer‑compatible NTC sensor.
  6. Reassemble panels and restore power to verify the error is resolved.

Parts needed: Cabinet/ambient NTC temperature sensor, Wiring harness or connector as needed

🛑 When to Call a Pro:
  • If the error persists after basic reset and visible checks or if you are uncomfortable handling internal electrical components.
  • If the sensor wiring appears severely damaged or inaccessible without appliance disassembly.

Technical Specifications

wattage 150W
component Compressor
resistance 5-10 ohms
part_number Bauknecht 481231018520
voltage_rating 220-240V AC

Common Questions

What does E04 error mean on bauknecht refrigerator?

E04 indicates a cabinet/ambient temperature sensor failure affecting cooling and ice production.

Can I fix bauknecht refrigerator E04 error myself?

Yes, you can perform basic checks and resets, such as unplugging the fridge and inspecting for ice buildup.

How much does it cost to fix E04 error?

Estimated repair costs range from $30 to $120 for parts, depending on your model and supplier.

When should I call a technician for E04?

Call a technician if the error persists after resets or if you are uncomfortable with electrical components.

Data last verified: 2026-04-14

User Comments (0)

Share your experience or solution below.

Be the first to comment!