FilterenceHome & Garden
Coffee-machine maintenance illustration for Sage BES450 / Sage BES870: No water from group head or hot-water outlet
Category illustration

Help · Coffee machine

Sage BES450 / Sage BES870: No water from group head or hot-water outlet

An empty or unlocked tank, unfinished warm-up, scale, or excessive coffee resistance can stop water at both outlets. Fill and lock the tank, wait for Ready, test hot water without the portafilter, then use the documented clean/descale cycle if flow stays absent.

Manufacturer sources consulted

Models covered

Sage BES450 / Sage BES870 — No water from group head or hot-water outlet. 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 meansAn empty or unlocked tank, unfinished warm-up, scale, or excessive coffee resistance can stop water at both outlets.
Keep neighbouring faults separateThis guide is limited to “No water from group head or hot-water outlet”; 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 “No water from group head or hot-water outlet”, 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

    Fill and lock the tank, wait for Ready, test hot water without the portafilter, then use the documented clean/descale cycle if flow stays absent.

  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

After checking Sage Coffee machine: repair, part or service?

Treat “Sage BES450 / Sage BES870: No water from group head or hot-water outlet” as a condition to verify. The first of the 4 documented checks is “Capture the starting point”; its result guides what follows.

Finish the checks before buying

Complete the Sage Coffee machine sequence, starting at “Capture the starting point”. When the symptom clears without a remaining alert, no replacement is indicated.

Arrange a diagnosis if a stop condition appears

Do not condemn Sage Coffee machine from “Sage BES450 / Sage BES870: No water from group head or hot-water outlet” alone. Stop at the warnings above and let a qualified diagnosis establish whether repair remains safe and proportionate.

Sources used

  • Sage — Sage's official manual or model page documents “No water from group head or hot-water outlet” and the bounded user procedure retained here.
  • Sage — Sage's official manual or model page documents “No water from group head or hot-water outlet” and the bounded user procedure retained here.
  • Sage — Sage's official manual or model page documents “No water from group head or hot-water outlet” and the bounded user procedure retained here.
  • Sage — Sage's official manual or model page documents “No water from group head or hot-water outlet” and the bounded user procedure retained here.

Last checked: 30 August 2026