Siemens Washing Machine Error E33

⚡ Quick Answer: The Siemens Washing Machine E33 error indicates that excessive foam has been detected during a wash cycle, causing the machine to interrupt operation.... ✅ DIY Fixable

What Does Error E33 Mean?

The Siemens Washing Machine E33 error indicates that excessive foam has been detected during a wash cycle, causing the machine to interrupt operation. This typically occurs due to the use of too much detergent or an inappropriate detergent type. Symptoms include an interrupted wash cycle and excessive foam inside the drum, which can lead to further operational issues if not addressed promptly.

Common Symptoms:

  • Wash cycle interrupted or stopped with E33 displayed
  • Excessive foam formation inside the drum beyond normal levels

Possible Causes

  • Excessive detergent use or inappropriate detergent type (high)

How to Fix Error E33

DIY Fix Reduce foam and restart cycle

  1. Stop the washing machine and open the door if safe to do so.
  2. Remove any excess detergent residue from the drum and detergent drawer.
  3. Reduce the amount of detergent for future washes according to load size and water hardness.
  4. Select an extra rinse/spin cycle without additional detergent to clear remaining foam.

Technician Only Inspect foam detection system and sensors

  1. Confirm the foam sensor is functioning and not triggering falsely.
  2. Check for blockages or faults in the drainage or water level detection systems that could affect foam detection.
  3. Verify that detergent dosing systems are calibrated and working correctly.
  4. Test machine operation with minimal detergent to ensure proper foam control.

Parts needed: Foam sensor, Water level/pressure sensor, Control board (if needed for diagnostics)

🛑 When to Call a Pro:
  • If the error persists even after reducing detergent and running a rinse cycle.
  • If you suspect a faulty foam sensor or improper machine behavior beyond normal foam detection.

Technical Specifications

wattage 50W
component Water Inlet Valve
resistance 500-1500 ohms
part_number Siemens 00615493
voltage_rating 230V AC

Common Questions

What does E33 error mean on Siemens Washing Machine?

E33 indicates excess foam detected, causing the wash cycle to stop.

Can I fix Siemens Washing Machine E33 error myself?

Yes, reduce detergent and restart. Clean the drum and drawer.

How much does it cost to fix E33 error?

Repair costs vary by region, but are generally moderate.

When should I call a technician for E33?

Call if the error persists after reducing detergent or if you suspect a faulty sensor.

Data last verified: 2026-01-25

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