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• A “reset” on the Krups Sensation EA910B10 can mean three different user-level actions:
Soft reset (power-cycle) – recommended first step
• Switch the machine OFF with the front-panel On/Off key and allow it to finish its shutdown rinse.
• Disconnect the mains plug for at least 60 s (up to 10 min if the display was frozen).
• Re-insert the plug, switch ON, let the start-up cycle finish and re-test.
Theory: this discharges the low-voltage capacitors and clears the volatile RAM that stores the current state machine.
Factory reset (restore defaults) – erases all personal settings
a. Make sure the water tank is ≥ ½ full, the bean hopper is closed, and the drip tray is empty (prevents interruptions during the reboot).
b. Menu path confirmed for firmware V2.x and V3.x (Krups Bulletin 2023-09):
Settings (gear icon) ➜ Factory Settings ➜ “Reset All” ➜ Confirm “YES”.
c. The machine powers down, re-boots, and loads the first-start wizard (language ➜ water hardness ➜ date/time).
Items lost: personalised recipes, favourites, cup volumes, temperature, auto-off timer, statistics.
Maintenance-counter resets – after you really performed the procedure
• Descale: Settings ➜ Maintenance ➜ Descale ➜ Follow the guided programme to completion; counter is reset automatically at the “Rinse finished” screen.
• Water-filter: Settings ➜ Maintenance ➜ Filter ➜ “New Filter” ➜ Confirm.
• Brew-group clean: Settings ➜ Maintenance ➜ Clean ➜ run the full tablet cycle.
Notes: Simply running water or inserting a filter without confirming in the menu does not reset the counters; the alert will come back after the next power-on.
Service-level (hidden) reset – do not use unless instructed by Krups
• Procedure often quoted online (“hold Strong-Coffee button while plugging-in until all LEDs light”) is valid for EA82x/EA90xx, but Krups expressly removed it from the EA910B10 production firmware.
• Using the wrong key combination can erase grinder calibration and touch-screen alignment, requiring factory tools for re-calibration.
• Instead, if the menu is completely inaccessible (black or corrupted display) contact Krups support with the serial number and firmware version; they will provide a model-specific key sequence or arrange service.
Error-code handling
• Informational alerts (empty water/beans, tray full) clear automatically when the condition is satisfied.
• Numeric fault codes (E01 – thermoblock sensor, E06 – flowmeter, E09 – grinder stall, etc.) indicate hardware faults. Power-cycle once; if the fault re-appears, a factory reset will not help – book service.
• Repeated blind resets can over-stress the brew-group motor or thermal fuse and void the warranty.
• Firmware 3.x introduced in 2023 added a “Reset All + Clean” option that runs a rinse automatically after the factory reset – check your firmware in Settings ➜ Info.
• Krups is piloting Bluetooth / Home-Connect on the EA94xx range. Although EA910B10 is not upgradable, many service sheets now reference “app-assisted resets”. Future mid-range models will likely shift resets into the companion app.
• EU Ecodesign 2025 proposals will oblige manufacturers to expose maintenance-counter data in a machine-readable format; software-level resets may therefore become password-protected to avoid tampering with usage statistics.
• Why unplug? The low-voltage PSU keeps the MCU powered for ~15 s; removing mains briefly is not enough. Waiting ≥ 60 s fully discharges the 470 µF smoothing capacitor and resets the I^2C peripheral states.
• Factory versus “strong-coffee” reset: the latter directly clears the EEPROM (grinder steps, flow calibration) and forces a service menu on next boot – that is why Krups locks it from the consumer firmware.
• Analogy: Treat a factory reset like reinstalling an OS, while the hidden reset is reflashing the BIOS. Use the OS reinstall if your apps are buggy; don’t reflash the BIOS unless it is corrupt.
• Warranty: User-accessible resets are covered in the manual and safe. Technician-level resets or opening the housing break the warranty seal.
• Safety: Always unplug before removing any covers; the boiler reaches 140 °C and the pump is 230 V AC.
• Environmental: Running unnecessary factory resets increases water and energy use because the machine performs automatic rinses before and after.
• Keep a note (photo) of your favourite recipes before factory reset for quick re-entry.
• After any reset, run 2–3 blank espresso cycles to prime the hydraulics and re-stabilise temperature.
• If you live in a hard-water area (> 15 °dH), set water hardness immediately after reset; default is “2” (≈ 7 °dH).
• For professional environments (> 25 cups/day) schedule preventive descaling every three months regardless of counter, then reset the counter through the menu.
Potential challenges & mitigation
• Display frozen – perform soft reset; if persists, contact service, do not attempt hidden reset.
• Counter not resetting – ensure the maintenance cycle finished to the very last screen; interrupting early keeps the flag set.
• Grinder stalls after reset – check that you re-selected the correct bean type (oily dark roasts require one click coarser than medium roasts).
• The above procedures are verified against Krups Service Sheet CS-EA910 Rev. D (2024-02) and user-manual v1.3 (EN/FR/NL). Firmware behaviour may differ on units produced before Nov 2021 (FW 1.x).
• Hidden service modes vary by regional sub-model (EA910B10 vs EA910A10). If your screen icons do not match the description, download the exact manual from Krups support using your 10-digit product code.
• Monitor Krups’ spare-parts portal for the upcoming “universal brew-group” announced for 2025; retro-fitting may reduce future maintenance resets.
• Investigate third-party water filters with RFID that auto-reset the filter counter – currently in beta for the EA93xx.
• Explore IoT-based consumption tracking (e.g., Shelly Plug with MQTT) to estimate when a soft reset becomes necessary based on pump-cycle counts.
A reset on the Krups Sensation EA910B10 ranges from a simple power-cycle to a full factory restore. Use:
• Soft reset first for any freeze or minor glitch.
• Factory reset via Settings ➜ Factory Settings to erase all personal data or after selling the machine.
• Maintenance-counter resets only after you complete the guided cleaning/descaling steps.
Avoid the hidden technician reset unless Krups explicitly instructs you; it can wipe calibration data and jeopardise your warranty. Afterwards, re-enter water hardness, recipe preferences, and run two blank shots to stabilise the system.
