f03
Moderate
Bosch · Washing Machines
Drainage timeout
Quick Answer
Error code F03 on your Bosch Washing Machines means: Drainage timeout. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Clean the drain pump filter located behind the access panel at the bottom front.
2
Check the drain hose for kinks or blockages.
3
Test the water level pressure sensor.
4
If the pump is defective, replace the drain pump.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Drain pump
Pressure sensor
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