Liebherr UR500 Use and Care Manual Page 10

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Problem Possible Cause Correction
A hum. It is
briefly a little
louder when the
refrigeration unit
(the motor)
switches on.
The refrigeration increases automati-
cally when the SuperCool function is
activated, fresh food has just been
placed in the appliance or the door
has been left open for a while.
The ambient temperature is too high.
The ambient temperature is too high.
u
Solution: (see 1.3)
Vibration noise
The appliance is not standing firmly
on the floor. As a result, objects and
adjoining units are set into vibration
by the running refrigeration unit.
u
Check the installation and realign the appliance if
necessary.
u
Move bottles and containers apart.
Flow noise on
the soft stop
mechanism.
The sound is caused by the soft stop
mechanism.
u
The sound is normal.
The temperature
display indi-
cates: F0 to F9.
There is a fault.
u
Contact the customer service department (see Main-
tenance).
DEMO lights up
in the tempera-
ture display.
The demo mode is activated.
u
Contact the customer service department (see Main-
tenance).
The outside
surfaces of the
appliance are
hot*.
The heat of the refrigerant circuit is
used to prevent condensate from
forming.
u
This is normal.
The temperature
is not cold
enough.
The door of the appliance is not
closed properly.
u
Close the appliance door.
Insufficient ventilation.
u
Clear and clean the ventilation grille.
The ambient temperature is too high.
u
Solution: (see 1.3)
The appliance was opened too
frequently or for too long.
u
Wait to see whether the required temperature resets
itself by itself. If not, contact the customer service
department (see Maintenance).
The temperature is incorrectly set.
u
Set to a colder temperature and check after 24 hours
The appliance is too near to a heat
source (stove, heater etc).
u
Change location of appliance or the heat source.
The appliance was not properly
installed in the recess.
u
Make sure the appliance was installed correctly and
the door closes properly.
The interior light
does not turn
on.
The appliance is not switched on.
u
Switch on the appliance.
The door was open for longer than 15
min.
u
The interior light automatically switches itself off if
the door remains open for approx. 15 min.
The LED interior light is faulty or the
cover is damaged:
WARNING
Risk of injury from electrical shock.
Live parts are under the cover.
u
The LED interior light should only be replaced or
repaired by the Customer Service department or by
engineers trained to do so.
Troubleshooting.
10 * Depending on model and options
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