What E23 Means
Thermador documents E23 as the drain pump being blocked, clogged, or failing.
Common Causes of E23
- Debris lodged in the drain pump
- A worn or failed drain pump motor
🔧 One Safe Check You Can Try
This is a documented drain-pump-specific problem; beyond a basic filter check, it needs a technician.
⚠ Why You Shouldn't Go Further Than That
- Thermador's own guidance for this specific code is to contact support rather than attempt further DIY steps.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.