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Coffee-machine maintenance illustration for Sage BES450 / Sage BES870: Coffee is not hot enough
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Sage BES450 / Sage BES870: Coffee is not hot enough

A cold portafilter or cup removes heat from a small espresso; on milk drinks, milk that was not heated enough lowers the final temperature. Rinse the portafilter and cup with hot water, dry the basket, let the machine reach Ready and heat milk only until the jug becomes hot to touch.

Manufacturer sources consulted

Models covered

Sage BES450 / Sage BES870 — Coffee is not hot enough. Preserve the exact display, drink and timing, then perform the official check once.

Before checking Sage Coffee machine

  • Keep hands away from hot water, steam, the grinder and moving brew parts. Switch off and unplug before removing a user-removable part; never open the housing, boiler, pump or grinder.

What this symptom can mean on Sage Coffee machine

What this exact symptom meansA cold portafilter or cup removes heat from a small espresso; on milk drinks, milk that was not heated enough lowers the final temperature.
Keep neighbouring faults separateThis guide is limited to “Coffee is not hot enough”; a leak near electricity, a dry pump, uncontrolled steam or a different display requires its own path.

4 checks for Sage Coffee machine, starting with Capture the starting point

  1. Capture the starting point

    Photograph or note “Coffee is not hot enough”, the selected drink and what happened immediately before it.

  2. Make the machine safe

    Keep hands away from hot water, steam, the grinder and moving brew parts. Switch off and unplug before removing a user-removable part; never open the housing, boiler, pump or grinder.

  3. Follow the manufacturer check

    Rinse the portafilter and cup with hot water, dry the basket, let the machine reach Ready and heat milk only until the jug becomes hot to touch.

  4. Retest once and decide

    If the exact symptom clears, observe one normal drink. If it returns, preserve the evidence and contact authorised support instead of repeating resets or guessing a part.

When to stop checking Sage Coffee machine

  • Stop immediately for a hot plug, damaged cable, burning smell, smoke, water near electrical parts, uncontrolled steam, a dry-running pump, a part moving under pressure or the exact fault returning after one documented test.

Next step

What the Sage Coffee machine checks lead to

The 4-check path for “Sage BES450 / Sage BES870: Coffee is not hot enough” starts with “Capture the starting point” and separates a resolved condition, an identified part and a case requiring service.

No purchase after a successful check

Follow the Sage Coffee machine controls in order. If “Capture the starting point” and the remaining checks restore normal operation with no warning, stop without replacing anything.

Escalate only on the documented warning signs

For “Sage BES450 / Sage BES870: Coffee is not hot enough”, use the stop conditions above rather than the symptom by itself. Professional confirmation should precede any decision to replace Sage Coffee machine.

Sources used

  • Sage — Sage's official manual or model page documents “Coffee is not hot enough” and the bounded user procedure retained here.
  • Sage — Sage's official manual or model page documents “Coffee is not hot enough” and the bounded user procedure retained here.
  • Sage — Sage's official manual or model page documents “Coffee is not hot enough” and the bounded user procedure retained here.
  • Sage — Sage's official manual or model page documents “Coffee is not hot enough” and the bounded user procedure retained here.

Last checked: 30 August 2026