E23 Error Code
📋 What Does E23 Mean?
Drain Pump Relay Error — the control board relay that powers the drain pump has failed.
🔍 Common Causes
- 1Control board relay component failure
- 2Drain pump drawing too much current and blowing relay
- 3Wiring fault to pump
📞 When to Call a Pro
Control board or drain pump replacement required.
🔧 DIY Fix Steps
- 1Unplug machine for 10 minutes — relay sometimes resets
- 2Check pump filter is clean to reduce pump load
- 3Check wiring to drain pump for loose connections
Frequently Asked Questions
What does E23 mean on a Bosch washing machine?
Drain Pump Relay Error — the control board relay that powers the drain pump has failed.
Can I fix E23 myself?
Yes, in many cases. Start with: unplug machine for 10 minutes — relay sometimes resets If that does not resolve it, control board or drain pump replacement required.
How much does it cost to repair error E23?
Estimated repair cost: $200–$500. This varies by region and technician.
Tools That Help With This Diagnosis
Basic troubleshooting tools grouped separately from the actual error-code explanation.
Multimeters
Useful for basic electrical checks when the repair path calls for it and the unit is safely isolated.
Driver sets
Useful when the first obstacle is simply reaching the part or hose involved.
Cleanup tools
Useful for drain and leak faults where standing water hides the problem.
Related Pages
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Browse related codes for the same brand and appliance family.
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Troubleshooting guide hub
Open broader diagnosis, symptom, and first-step guides.
Diagnostic tools
See basic tools that help without mixing them into the code explanation itself.
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