Bosch Dishwasher E10 — What It Means & How to Fix It
E10 is a fault in the Zeolite (CrystalDry) chamber heater — Bosch says to reset power at the breaker for 30 seconds and to call its customer support if the code returns.
What this code means
Bosch's US error-code page gives E10 as a Zeolite (Crystal Dry) chamber heater fault. It applies to dishwashers with CrystalDry, which use a chamber of zeolite minerals to dry the load; the heater in that chamber is what the code refers to. Bosch's steps are a 30-second breaker reset, then a call to Bosch Customer Support.
Bosch's US error-code page lists E10 as a Zeolite (Crystal Dry) chamber heater fault, and E07 as the fan motor for the same drying system. Newer models show E10's condition as E2120.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| Zeolite chamber heater fault | Common | No — technician job |
| One-off control glitch | Occasional | Yes — breaker reset |
What you can try yourself
- Switch the dishwasher off.
- Turn its circuit breaker off for 30 seconds, then back on.
- Run a cycle with a drying option selected.
- If E10 returns, call Bosch Customer Support.
When to call a technician
- E10 returns after a breaker reset.
- Dishes are consistently wet at the end of a CrystalDry cycle.
- A burning smell from the dishwasher.
Typical professional repair cost: Repairs to the CrystalDry drying system typically run $250–$500 including labor; check your Bosch warranty first.
Frequently asked questions
What does E10 mean on a Bosch dishwasher?
Bosch lists it as a Zeolite (Crystal Dry) chamber heater fault. Reset the breaker for 30 seconds; if the code returns, call Bosch Customer Support.
Does E10 affect washing?
Bosch's description concerns the CrystalDry drying system rather than the wash. Don't keep running the dishwasher with the code showing — have it checked.
Sources checked
Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.
Related Bosch codes
- Bosch Dishwasher E15 Water reached the base pan under the tub and Bosch's leak protection locked the machine — sometimes a genuine leak, often a one-off spill or condensation that clears once the base dries.
- Bosch Dishwasher E24 The dishwasher can't drain properly — start with the filter, then the drain hose path, and don't skip checking that the drain pump cover is seated.
- Bosch Dishwasher E25 The drain pump itself is blocked or its cover is loose — and Bosch makes the pump cover owner-accessible, so this is one of the most fixable codes the brand throws.
- Bosch Dishwasher E09 The heating system isn't raising the water temperature — beyond one reset, the flow-through heater is a mains-voltage part that belongs to a technician.
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