Error code
Bosch error code E10
Bosch error code E10: the heater in the mineral drying chamber is not responding. What the code covers, what to check first, and what it does not tell you — on dishwashers.
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What we can confirm
Code E10, from the manufacturer's own documentation
A code is only meaningful together with the machine showing it — the same digits mean different things on different equipment.
The code
E10
The heater in the mineral drying chamber is not responding
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What it narrows down to
Mineral chamber heater
What you are probably seeing
Diagnostic
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What it looks like from the kitchen
The symptom this code usually arrives with
A code names the subsystem; the symptom is what sent you to look at the display in the first place. That page says what it usually turns out to be, cheapest cause first.
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Usually not a repair Dishwasher not drying
Plastics coming out wet is how these machines are designed to behave, and it is the single most common reason somebody books a repair on this brand that they do not need. Glassware coming out wet is a different matter.
- Plastics wet, glass and steel dry
- Everything wet, including glass
- Drying noticeably worse than it used to be
On the same appliance
What else belongs to the dishwashers
On this make a code belongs to the appliance rather than to a product line. These are the other conditions this machine can display, and the models that can show this one — a display often has more than one thing to say, and the model number decides what any of it costs to put right.
Other codes this appliance can display
Heat pump circuit
Board relay
Heating self-test
Wash arm diverter
Door sensor
Drying fan
Heat pump heater
Scale build-up
Flow meter
Leak protection
Water not entering
Low water level
The same digits mean different things on different equipment. Search the full code list
In more detail
About Bosch error code E10
What this one means
The heater in the mineral drying chamber is not responding.
The other ways your machine may say it
The same condition is published under more than one label, because it has been carried across generations of this appliance:
- E10, E2120 — the same condition, on machines of different ages
What the code covers
A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:
- The chamber heater
- Its circuit
Worth doing before you call
- Check whether the glassware is still coming out dry — if it is, the wash side is healthy and this is drying alone
Then what
This is on the upper series only. The machine still washes perfectly; it simply loses the drying advantage those models were bought for.
This code is published for dishwashers. The full list of codes has the rest.
This article is based on:
- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards