The short answer
E19 is a detergent dispenser solenoid circuit fault, as the table records. A small solenoid releases the dispenser flap at the right moment in the cycle, and the control has found that circuit not behaving. The machine may complete a cycle, but the detergent will not be delivered when the programme expects it.
Code table
Reference| code | meaning | owner-checkable |
|---|---|---|
| E19 | There is a detergent dispenser solenoid circuit fault/error. | partly |
| E17 | An E16 or E17 error code indicates an issue with water flowing into the dishwasher or the filling system. | see page |
| E20 | There is a heat pump internal heater fault/error. | see page |
What you observe
- The dispenser flap is still shut at the end of the cycle — Detergent sitting in the closed compartment is the clearest evidence.
- Dishes come out poorly cleaned — A cycle run with no detergent is essentially a hot rinse.
- Detergent residue in the compartment — Damp caked powder suggests the flap opened late or not at all.
- NEAR MISS — the flap opens but tablets are left undissolved — That is a temperature or spray-arm problem rather than the dispenser circuit.
Likeliest causes first
- Detergent residue jamming the flap or its latch — First: caked powder in the compartment physically holds the flap shut, and the solenoid then stalls against it.
- The solenoid or its wiring — Second: a small coil in a wet, warm door, and the connector to it flexes every time the door opens.
- The control output driving the solenoid — Last: board-side failure, proved rather than assumed because it is the dearest outcome.
Check in this order
- Open the dispenser and clean it thoroughly — Caked detergent is the commonest physical cause and it is free to clear.
- Work the flap by hand and watch it latch and release — A sticky flap is felt immediately and needs no tools.
- Cut the breaker for a minute and run a short cycle — Rules out a latched code with the compartment clean.
Owner-safe steps
- Clean the dispenser compartment and its channel — Warm water, a brush and patience; get the caked detergent out of the corners.
Tools: brush, clothAbout 20 min
- Check the flap latches and springs open freely — It should close with a click and release without resistance.
About 10 min
- STOP HERE — the solenoid is inside the door panel — The inner door has to come apart, which is a technician job.
Safety first
Safety
Unplug the appliance or switch off its breaker before removing any panel — a capacitor can hold a charge after the power is off. A dishwasher sits on a live circuit and a water supply at once: close the supply valve as well as the breaker, and expect standing water in the base of the tub.
When to call
Call when the compartment is clean, the flap moves freely and the code still appears. The solenoid sits inside the door and reaching it means separating the inner panel, which is bounded work but not owner work. Mention that you have cleaned the dispenser — it moves the diagnosis straight to the circuit instead of starting over.
Neighbouring codes — E17 and E20 appear beside E19 in the table and are recorded against different hardware — different questions with different answers. A shared prefix on this brand is not a shared fault.
What this page does not cover
This page is written for the Bosch dishwasher class rather than for one model line, and E19 is read exactly as the shared table records it. If your family or model has its own page, that page is the more specific answer and it is linked below — go there first when your model is named. Left out deliberately: connector positions, wiring colours and part numbers, which are family-specific.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
