Lelit Brew Circuit Restriction

Weak coffee flow; shots are slow or choke the machine even with coarse grind.

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Possible Causes

Clogged Lelit group head shower screen, Blocked dispersion plate or jet, Scale buildup in brew boiler outlet, Dirty or blocked portafilter basket

How to Fix / Troubleshooting

Safety first: Allow the group head to cool slightly before disassembly.

  • Clean the shower screen: Remove the screw holding the shower screen and dispersion plate. Soak them in hot water with espresso cleaner, then scrub and rinse.
  • Inspect the group jet: Some Lelit E61 groups have a small jet or restrictor. If accessible, remove and clean it with a fine needle to clear coffee oils and scale.
  • Backflush the group: Use a blind filter basket and a backflush detergent approved for espresso machines. Run several backflush cycles to clean the three-way valve and internal passages.
  • Clean baskets: Soak portafilter baskets and spouts in cleaner to remove coffee oils that can restrict flow.
  • Descale if needed: If restriction persists, perform a controlled descaling of the brew circuit following Lelit’s instructions.
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Repair Difficulty

Easy 2/5

Required Part

Group Head Shower Screen
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