error-e01 Troubleshooting

Error E01 — water supply issue on the Bosch Series 6 WAU28PH9

Source: Bosch support — power tool troubleshooting Confidence: 85% Verified Aug 9, 2026

The washing machine reports E01, indicating a water supply problem.

How to fix Error E01 — water supply issue

Check the water tap

Ensure the water tap is fully open.

Source: Bosch support — power tool troubleshooting Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

Check the inlet hose

Inspect the inlet hose for kinks or blockages.

Source: Bosch support — power tool troubleshooting Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Parts needed: Bosch WAU28PH9 Drain Hose

Replacement parts for the Bosch Series 6 WAU28PH9

Bosch Series 6 WAU28PH9 Door Seal / Gasket Bosch Series 6 WAU28PH9 Drain Pump Bosch Series 6 WAU28PH9 Water Inlet Valve Bosch Series 6 WAU28PH9 Heating Element Bosch WAU28PH9 Drain Filter Bosch WAU28PH9 Detergent Drawer Bosch WAU28PH9 Door Gasket Bosch WAU28PH9 Drain Hose Bosch WAU28PH9 Descaling Solution

← All Bosch Series 6 WAU28PH9 error codes

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