JURA E8 Error Wont Clear
| CONF | DIAGNOSIS | PART MATCH | ACTION |
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91%
CONF
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Contact Springs
The contact springs are the primary electromechanical interface for the tray-detection circuit. Over time, these springs lose their spring constant (tension) or develop an oxide layer, preventing the logic board from registering the necessary state change to reset the grounds counter. This part is the most common forensic failure point in the tray-sensing loop.
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5%
CONF
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Drip Tray Assembly
The drip tray carries the metal contact plates that complete the detection circuit. These plates can become pitted, delaminated, or excessively coated in calcified residue that alcohol cleaning cannot remove, resulting in high electrical resistance that prevents the logic board from detecting tray insertion.
SKU: 10651
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4%
CONF
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Brew Unit Assembly
If the brew unit's ejection blade (scraper) fails to return to the neutral home position due to internal gear fatigue or encoder failure, it creates a physical obstruction. This prevents the drip tray from being fully inserted, meaning the electrical contacts never meet the sensing springs, making it impossible to clear the error.
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DIY Repair Guide
Watch exactly how to replace the Contact Springs.