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Oster BVSTEM7400 - Page 51

Oster BVSTEM7400
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TROUBLESHOOTING GUIDE
PROBLEM Possible cause What to do
Espresso pours
into
cup unevenly
Uneven tamping.
Ensure coffee grinds are tamped evenly.
Obstruction in the Group Head
or Portafilter.
Check there is nothing obstructing the Group
Head or Portafilter & clean.
Pump makes an
unusual noise
No water in the reservoir, and the pump
is 'dry'.
Fill reservoir with water, then press the one cup
button to prime unit before brewing espresso.
The pump noise will decrease once water is
flowing through the system.
Water Reservoir is not correctly positioned. Insert the Water Reservoir into the back of the
unit, then press the one cup button to prime unit
before brewing espresso.
Red Plug from the packaging may still
be inserted (the low water alert will be
illuminated).
Remove the red packaging plug found at the
base of the Water Reservoir.
New Pre-infusion Profiles has been
selected.
Different Pre-infusion Proles make different
noise at the start of an espresso extraction.
Water around
Drip Tray area or
on benchtop
Water overflowing from Drip Tray. Empty if the red Water Level Indicator appears
through the Drip Tray Stainless Steel Grill.
Drip Tray not present, or not fully inserted
when Thermoblock is auto purging.
Always Keep Drip Tray in place during brewing
espresso as a small amount of water will be
purged into the drip tray under certain, normal
operation circumstances.
Milky coffee
is too cold
Milk may not be heated enough. Ensure that milk is heated properly during
texturing.
See Tip for Milk Texturing.
No steam
from the Steam
Wand
Steam Wand Tip is blocked. See Care & Cleaning for cleaning methods.
No water in the Water Reservoir. Fill reservoir with water. Run hot water through
the Steam Wand to ensure water flows.
Espresso Machine has scale build up. A Descaling Cycle is required.
See Descaling Cycle.
Steam Wand
making a
screeching noise
Steam Wand Tip too deep. Lower Milk Jug. Ensure the Steam Wand Tip
is positioned correctly (just below milk surface)
when texturing.
See Tip for Milk Texturing.
English - 14
BVSTEM7400_23PEM1_PORT/ENG.indd 14BVSTEM7400_23PEM1_PORT/ENG.indd 14 2023/11/28 10:502023/11/28 10:50