E4
Russell Hobbs
Carafe / Jug Presence Sensor Fault
Display shows E4 and the coffee maker will not start a brew cycle.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Carafe not fully seated on warming plate, Drip-stop lever stuck in closed position, Carafe presence microswitch misaligned or failed, Broken spring on anti-drip mechanism
How to Fix / Troubleshooting
Safety first: Unplug the unit and ensure the hot plate is cool before touching the carafe area.
- Reseat the carafe: Remove the glass carafe and place it back firmly so that the spout is centered under the filter basket. Ensure it is pushed fully back to engage the drip-stop lever.
- Check anti-drip mechanism: Open the filter basket and locate the drip-stop valve. Press it up and down; it should move freely and spring back. Clean any dried coffee residue that may prevent movement.
- Clean the warming plate: Wipe the plate and the bottom of the carafe to remove coffee spills that may prevent proper seating.
- Test again: Plug the unit back in and start a brew cycle. If E4 clears when you press the drip-stop lever manually, the carafe presence microswitch or lever alignment is suspect.
- If still faulty: The carafe presence microswitch or drip-stop lever assembly may need replacement, which requires opening the housing and is best done by a technician.
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Repair Difficulty
Medium
3/5
Required Part
Carafe Presence Microswitch
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