Bosch Dishwasher E23 error code
The drain pump has failed or is blocked, clogged, or otherwise not working, so wastewater cannot leave the machine.
Last updated: September 30, 2026
What causes the E23 error?
- Drain pump blocked by debris
- Drain pump motor failed
- Electrical or control issue with the pump
How to fix Bosch E23 — step by step
Work through these in order, from simplest and safest first. Stop as soon as the code clears.
- Power reset
Turn off the circuit breaker for 30 seconds, then restore power to rule out a temporary glitch. - Call Bosch support
Bosch's official guidance for E23 is to contact Bosch Customer Support at 1-800-944-2904 rather than attempting a repair, since the pump may need replacement.
When to call a technician
- The code shows up at all - Bosch treats this as a service-level fault
- You hear the pump struggling or running dry
- Water stays in the tub after a cycle
Frequently asked questions
Can I fix a Bosch E23 myself?
Bosch does not publish a DIY fix for E23; the official advice is a power reset, then a call to customer support, because the pump is likely blocked, clogged, or faulty.
Sources
Every meaning and fix above was checked against official manufacturer documentation:
FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.
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