www.schaerer.com Troubleshooting
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Operating instructions / V07 / 06.2010
Troubleshooting
Before having the machine repaired, please check the following points:
Malfunctions and possible causes
Fault Cause/remedy
Does the coffee machine not
switch on?
► The power plug is not properly connected
► The main power switch (on the left-hand side) is not set to ON
► Check fuses
Does the
indicator ash?
► The brew unit has not been properly inserted
► The door is not properly closed
Does the
indicator light up
and does a message appear on
the display?
► This fault can only be rectied by a qualied service technician
Do the indicators ash/light up;
do display messages appear?
► Check the indicator symbols on page 36 (for their meaning)
Is the pump causing loud noises
and/or does the
indicator light
up?
► The water tank has not been properly inserted (air in the
system)
Siena 2:
► Bleed the device using the
-
hot water button (press
for ± 6 sec.). (The indicator goes out when the next beverage
is dispensed).
Siena 1:
► Turn the rotary dial (on the right-hand side) to the [ Hot water ]
position in order to bleed the device.
Is there no milk foam (Siena 2)?
► The milk nozzle is clogged (in the milk container). Insert a brush
into the milk nozzle (refer to page 60)
Is the milk only hot (Siena 2)?
► The foam nozzle on the milk foam producer is clogged.
Insert the air valve pin into the milk nozzle (refer to
page 43)
Does the milk foam have large
bubbles (Siena 2)?
► Milch ist zu warm (Milch immer im Kühlschrank aufThe milk is
too warm (always keep milk in the refrigerator). (Optimal milk
temperature: 3 °C to 5 °C)
► The O-rings on the milk foam producer are defective. Check
and replace them, if necessary.
► The milk suction tube is defective. Check and replace it, if ne-
cessary.
► The milk nozzle (Ø) is too small.
Is the milk foam too cold (Siena
2)?
► The milk nozzle is defective or a nozzle of the wrong diameter
has been tted.
Does the coffee not have any
foam?
► The cups are too cold (pre-heat the cups for ideal foam).
► The operating temperature (indicator is lit) has not yet been re-
ached.
► The coffee (beans) is not fresh.
► The coffee grinder setting is too coarse (high number).
► The coffee grinder setting is too ne (low number)
► The wrong coffee mixture is being used.
No hot water? ► Insert a ne needle into the outlet opening.
Can the brew unit not be pulled
out or inserted?
► The brew unit is not in its basic position. Close the service door
and switch on the device.
► Use the multi-tool adjusting knob to turn the brew unit a little to
the left or right while inserting it (carrier position is incorrect).
Does the coffee machine not
react to buttons being pressed?
► The operating temperature has not yet been reached (The indi-
cator lights up).
► A rinse or cleaning program is in progress (the cleaning button
ashes).
► Another indicator ashes/lights up. Rectify the fault/remove the
cause.
To ensure the best possible coffee quali-
ty, it is necessary to clean and decalcify
the coffee
machine regularly.
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