WAT28400UC Error Codes — Bosch Washing Machine

🏷️ Model: WAT28400UC 📅 Production: 2016–2022 🫧 Type: Washing Machine

24-inch compact front-loader, ubiquitous in condos. E18 (drain) and E17 (inlet) are the dominant codes; the drain pump filter is behind the lower right panel.

Most Common Codes on the WAT28400UC

E18

Drain time exceeded — water not draining within expected time

⚠ High Severity

E17

Water intake fault — fill time exceeded

⚠ Medium Severity

E02

Door lock failure — cannot lock door for cycle

⚠ Medium Severity

All Other Bosch Washing Machine Codes

The WAT28400UC can also display any of the standard Bosch washing machine codes:

E04 Anti-flood device activated — water detected in base

💡 Tip: Your model's serial sticker (door frame, rim, or back panel) confirms the exact model number. Codes can differ between revisions of the same model line — if a code on your display isn't listed here, check the full Bosch washing machine code list.

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