Baumatic Washing Machine Error ERR3

⚡ Quick Answer: The Baumatic washing machine ERR3 error indicates a malfunction in the door lock mechanism, often showing a flashing display and preventing the start ... ✅ DIY Fixable

What Does Error ERR3 Mean?

The Baumatic washing machine ERR3 error indicates a malfunction in the door lock mechanism, often showing a flashing display and preventing the start of a wash cycle. This error may also be related to temperature sensor readings, affecting operation. Ensuring the load is balanced and the machine has been restarted can sometimes clear the error.

Common Symptoms:

  • Error ERR3 displayed on the machine control panel

Possible Causes

  • Door Lock Mechanism
  • Wiring Issues
  • Control Board Fault

How to Fix Error ERR3

DIY Fix Basic checks (limited evidence)

  1. Turn off and unplug the washing machine for 5–10 minutes, then restart to see if the code clears.
  2. Check that the load is balanced in the drum and not overloaded.
  3. Observe if the error appears consistently at a particular cycle stage (e.g., during heating).

Technician Only Inspect temperature sensor and related circuitry (low evidence)

  1. Access the internal temperature sensor (thermistor) and verify the wiring continuity.
  2. Test the temperature sensor resistance against expected values with a multimeter.
  3. Inspect the control board connections for the temperature sensor.
  4. Replace the sensor if readings are out of specification.

Parts needed: Temperature sensor (thermistor), Wiring harness, Potentially control board

🛑 When to Call a Pro:
  • If the error persists after basic checks
  • If you are not confident opening or testing components inside the machine

Next step

Choose the next step for ERR3

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Wiring Harness

Connects controls, sensors, motors, and other electrical components inside the appliance.

$20 - $120 · Medium · 30-90 mins

Check fit & price
Possible related component

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

$120 - $280 · Medium · 20-40 mins

Check fit & price
Model number required

Model-compatible Washing Machine parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Washing Machine Cleaner Tablets

Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.

View maintenance supply
Maintenance supply

Braided Washer Inlet Hoses

A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.

View maintenance supply
Maintenance supply

Washer Drain Hose Holder

Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.

View maintenance supply

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Technical Specifications

wattage N/A
component Door Lock Mechanism
resistance 1-5 ohms
part_number BAU-LOCK1234
voltage_rating 240V AC

Common Questions

What does ERR3 error mean on Baumatic washing machine?

ERR3 indicates a door lock malfunction, preventing the wash cycle from starting.

Can I fix Baumatic washing machine ERR3 error myself?

Yes, you can try restarting the machine and checking the load balance.

How much does it cost to fix ERR3 error?

Repair costs range from $50 to $200+, depending on parts and service.

When should I call a technician for ERR3?

Call a technician if the error persists after basic checks or if you're unsure about repairs.

Sources & References

Data last verified: 2026-07-25

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