WMF Stelio Wasserkocher Edelstahl 1 — Error codes & fixes
Troubleshooting guide for the WMF Stelio Wasserkocher Edelstahl 1. Diagnose an error code and find the fix.
Error 2 / general fault
error-2The machine displays a general error code, often requiring a reset or service.
Source: Reddit r/espresso — coffee machine troubleshooting
Confidence: 60%
Verified Aug 9, 2026
Replace water filter
water-filterThe machine prompts to replace the water filter to maintain water quality and prevent scale.
Source: Reddit r/espresso — coffee machine troubleshooting
Confidence: 60%
Verified Aug 9, 2026
Unit not turning on
not-poweringThe purifier does not power on, possibly a power issue or a tripped internal fuse.
Source: Reddit r/espresso — coffee machine troubleshooting
Confidence: 60%
Verified Aug 9, 2026
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