![background image](/i/zelmer/153116/zelmer-maestro-13z012/h/zelmer-maestro-13z012-092.png)
96
TROUBLE SHOOTING
PROBLEM
POSSIBLE CAUSE
HOW TO FIX, WHAT TO DO
Coffee runs
out around
the edge
of the filter
holder
Filter holder is not inserted in the brew head
properly or is not tightened enough.
Ensure the holder is properly inserted in the brew
head unit and tightened home. See
Brewing
espresso
.
There are coffee particles around the filter rim. Clean the rim of the filter and wipe all coffee from
the brew head.
Brew head is dirty.
Wipe the brew head with a damp cloth.
Brew head is damaged.
Contact an authorised service center.
Rubber seal of the head is damaged or worn
out.
Contact an authorised service center.
Coffee does
not run
through
No water in the water tank.
Fill up the tank with water.
Water tank is not properly installed.
Press the tank down to ensure it sits properly.
Knob is set in another position, e.g.
.
Ensure the regulator knob is in
position.
Filter on the brew head may be blocked.
See
Descaling
.
Coffee filter is blocked. Coffee is ground too
finely or tamped too firmly.
Empty the filter and rinse it under running water.
Wipe the brew head with a cloth. Clear the holes
of the filter using the
grey
pin and re-fill with
coffee. Tamp less firmly.
Coffee filters
out in drops
Coffee is ground very finely or tamped too
firmly.
If you use very finely ground coffee, do not tamp
it too firmly.
The appliance is blocked with scale build-up.
See
Descaling
.
Espresso
does
not have
characteristic
foam
Coffee is stale or dry.
Use fresh coffee. After opening the coffee, ensure
it is stored in a tight container.
Coffee is not tamped firmly enough.
Tamp coffee more firmly.
Coffee is ground too coarsely.
Use properly ground coffee or change coffee
brand.
Not enough coffee in the filter.
See
Brewing espresso
.
Holder
loosens
during
brewing
Coffee is tamped too firmly.
Tamp ground coffee less firmly.
Coffee is ground too finely.
Change to coarser coffee.
Filter holder does not sit firmly as it has not
been tightened firm enough.
Ensure coffee holder is placed correctly and
tightened home in the brew head.
See
Brewing espresso
.
There are coffee particles around the filter rim. Clean the rim of the filter and clean coffee from
the brew head.
Brew head is dirty.
Wipe the brew head with a damp cloth.
Brew head is damaged.
Contact an authorised service center.
Rubber seal of the brew head is damaged or
worn out.
Contact an authorised service center.
Coffee is too
cold
Cups, filter or filter head are cold.
Before brewing, pre-heat cups, filters and holder.
See
Brewing espresso
.
When making cappuccino or latte, milk is not
heated enough.
Check if milk is properly heated during frothing.
Do not let milk boil. See
Frothing milk
.
No steam
from steam
wand
Steam wand is blocked.
See
Maintenance and cleaning
.
Not enough
frothed milk
Milk is not fresh.
Check if milk is fresh.
Temperature of milk is too high.
Check that milk is properly cooled before use.
Jug.
To obtain best results when frothing, use the
stainless steel jug provided and cool it down or
rinse with cold water if possible.
Steam wand is blocked.
See
Maintenance and cleaning
.
Milk has been boiled.
Try again using fresh, cooled milk.
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