E18 Error Code
📋 What Does E18 Mean?
Drain Error — water is not draining within the expected time.
🔍 Common Causes
- 1Pump filter (coin trap) clogged
- 2Drain hose kinked or blocked
- 3Drain pump failure
- 4Drain hose too high
📞 When to Call a Pro
Drain pump motor replacement if filter and hose are clear.
🔧 DIY Fix Steps
- 1Clean the pump filter: open the small door at bottom front, place towel, unscrew filter cap slowly
- 2Check drain hose for kinks at back of machine
- 3Ensure drain hose is no higher than 39 inches from floor
- 4Run Spin Only to attempt drain
Frequently Asked Questions
What does E18 mean on a Bosch washing machine?
Drain Error — water is not draining within the expected time.
Can I fix E18 myself?
Yes, in many cases. Start with: clean the pump filter: open the small door at bottom front, place towel, unscrew filter cap slowly If that does not resolve it, drain pump motor replacement if filter and hose are clear.
How much does it cost to repair error E18?
Estimated repair cost: $150–$350. 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
More Bosch error codes
Browse related codes for the same brand and appliance family.
E15 code page
Open another nearby code that often appears in the same troubleshooting path.
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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