E16
What code E16 means on a Bosch dishwashers, what causes it, and which part to check first.
● SEVERITY: LOW
Bosch E16 means: overfill detected, E17 = underfill. If E16. The documented cause is: check that drain hose has a proper high loop (anti-siphon) — backflow from disposal is the most common cause of phantom overfill in installations
What E16 means
overfill detected, E17 = underfill. If E16
The display shows E16 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by easybear-appliancerepair.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| check that drain hose has a proper high loop (anti-siphon) — backflow from disposal is the most common cause of phantom overfill in installations |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.
What to check, in order
From the quickest check to the one that needs a technician.
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Frequently asked questions
What does E16 mean on a Bosch?
overfill detected, E17 = underfill. If E16 The documented cause is: check that drain hose has a proper high loop (anti-siphon) — backflow from disposal is the most common cause of phantom overfill in installations
Can I fix E16 myself?
It depends on the part involved: check that drain hose has a proper high loop (anti-siphon) — backflow from disposal is the most common cause of phantom overfill in installations Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Bosch use other codes on this appliance?
Yes: we document 14 other codes for Bosch on this dishwashers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.