Sage
Reduced Heating Efficiency / Scale Build-Up
Machine takes an unusually long time to heat up to ready status
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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
Limescale on thermocoil or boiler surfaces, Failing heating element, Incorrect temperature sensor readings, Low mains voltage
How to Fix / Troubleshooting
Safety: Allow the machine to cool before descaling.
- Descale thoroughly:
- Run a full descale cycle with Sage-approved descaler.
- Repeat if the machine has not been descaled for a long time.
- Check environment: Ensure the machine is not in a very cold room, which can extend warm-up time.
- Monitor behavior: If warm-up time remains excessive after descaling, the heating element may be weakening or the sensor misreading.
- Repair (advanced): Replace the brew thermocoil or steam boiler if they are heavily scaled or the element is partially failed. Replace associated sensors if readings are inaccurate.
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Repair Difficulty
Hard
4/5
Required Part
Brew Thermocoil Assembly
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