Bosch dishwasher E3400 points to water cannot enter the dishwasher normally. Start with the safe checks that apply to this system and stop if the warning returns.
Bosch dishwasher E3400 points to water cannot enter the dishwasher normally. Start with the safe checks that apply to this system and stop if the warning returns.
Model compatibility: Bosch reuses codes across series and model years, so E3400 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
The verified Bosch meaning for E3400 is water cannot enter the dishwasher normally. Treat that wording as the technical anchor for this page. The displayed code narrows the system that needs attention, but the complete E-Nr and observed behavior are still important before a repair decision is made.
Signs
Symptoms you may notice
the dishwasher may not fill
a cycle may stop near the beginning
you may hear repeated attempts to take in water
the displayed code may return on the next cycle
Why it happens
Possible causes
restricted or unavailable water supply
kinked or damaged inlet hose
flow-meter, inlet-valve, sensing, wiring, or control fault
Important safety warning. Turn off the water and stop use if there is active leaking.
Seeing this code on your Bosch appliance?
Book a specialist visit for a clear estimate and approval before any repair.
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No. This site is for Bosch appliance repair routed through Southern California service areas — not a national dispatch desk covering every U.S. metro.
Request an appointment with your appliance model and symptom. We confirm a visit window, diagnose on site, then give a clear estimate. Approved work only proceeds after you agree.
Yes. You get an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work.
Yes. We diagnose and repair Bosch refrigerators, dishwashers, washers, dryers, ovens, cooktops, and coffee machines common in LA and Orange County homes.
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