The cabinet under a kitchen sink with its door open, a braided supply line running from a small shut-off valve toward the side of a dishwasher.

Gaggenau dishwasher
showing E:3400

E:3400 means water keeps running into the dishwasher without stopping.

(844) 430-4286

Mon–Sat, 8am–8pm

  • Water supply
  • Fill and water valve repair
  • Source: Gaggenau

Book a visit

Three short steps, about a minute.

or call (844) 430-4286

Before you book,
in this order.

Each step comes from Gaggenau's own guidance for E:3400 on its dishwashers. Follow it to the end: the last card says whether this is a visit.

01

Close the water faucet at once.

02

Book a visit; the manual sends E:3400 straight to customer service.

Still there?

It usually turns into fill and water valve repair. Book with the code and the model number.

What not to do

E:3400 is the opposite of E:3200: too much water arriving, not too little.

What you may
notice with it.

The dishwasher problems E:3400 tends to arrive with. Answer these at the dishwasher before anyone is booked.

All problems

Where E:3400 usually leads

Fill and water valve repair.

Water inlet valve or float switch · low.

In Gaggenau's own words

Water is continuously running into the appliance.
Gaggenau DF480700 Use and Care Manual (en-us), Troubleshooting (media3.gaggenau.com PDF)

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Gaggenau DF480700, US Use and Care Manual.

Gaggenau E:3400 dishwasher repair,
where we come out.

The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.

All service areas
A family unloading clean plates from an open dishwasher together in a bright contemporary kitchen, a child handing a plate to a parent
For the heart of your home.

Questions
about E:3400.

Can I clear E:3400 myself?
Close the water faucet at once. If it comes back, it needs a visit.
What should I do right away when Gaggenau shows E:3400?
Close the water faucet immediately, since water keeps running into the appliance. The manual then sends it to customer service.
Is Gaggenau E:3400 a shortage of water?
No, it is the opposite of E:3200. With E:3400 too much water arrives, not too little.

Back to your everyday

Still showing E:3400?

Book with the characters exactly as shown, the full model number, and whether any water is on the floor — for a code, that is where the diagnosis begins.

(844) 430-4286 Schedule a repair