GE Appliances
Air in System / Partial Blockage
Coffee maker makes loud gurgling or banging noises during brewing.
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Possible Causes
Airlock in heater tube, Low water level, Scale buildup causing steam pockets, Loose internal tubing
How to Fix / Troubleshooting
Safety first: Unplug the unit and let it cool if noises are accompanied by excessive steam or smell of overheating.
- 1. Fill reservoir fully: Ensure the water reservoir is filled to the maximum line to help purge air.
- 2. Run a water-only cycle: Brew without coffee grounds to flush air and debris.
- 3. Descale: Perform a descaling cycle to remove scale that can cause steam pockets and noisy boiling.
- 4. Inspect tubing (advanced): Remove the base and check that silicone hoses are firmly attached and not kinked. Reseat any loose hoses with proper clamps.
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Repair Difficulty
Easy
2/5
Required Part
Internal Silicone Tubing / Heater Assembly
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