F03 (Bosch WFP) — Drainage system malfunction

What does F03 (Bosch WFP) mean?

The washing machine is unable to drain water to the required level within the allotted time. This is usually due to the drain pump or hose.

• Poor contact at drain pump terminals
• Blocked or faulty drain pump
• Blocked or kinked drain hose
• Faulty pressure switch (pressostat)

Click steps to track your progress.

1. 1

   Clean the drain pump filter.

2. 2

   Check the drain hose for blockages or kinks and ensure correct positioning.

3. 3

   Inspect the drain pump for proper operation.

4. 4

   Check the pressure switch and its hydraulic system.