What E6900 Means
Thermador documents E6900 as a detergent dispenser solenoid circuit problem/error.
Common Causes of E6900
- A failed solenoid that opens the detergent dispenser during the cycle
🔧 One Safe Check You Can Try
Reset the breaker for 30 seconds, then restore power and check if the problem clears.
⚠ Why You Shouldn't Go Further Than That
- The dispenser solenoid is an internal part behind the door panel, not a reasonable DIY repair.
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.