Liebherr CBNPes 3967 PremiumPlus BioFresh NoFrost - Manual (Page 23)

A quiet clicking noise.
→ The noise is produced whenever the refrigeration unit
(motor) automatically switches on or off.
u The sound is normal.
A hum. It is briefly a little louder when the refrigeration
unit (the motor) switches on.
→ The refrigeration increases automatically when the Super-
Frost, function is activated, fresh food has just been placed
in the appliance or the door has been left open for a while.
u The sound is normal.
→ The refrigeration increases automatically when the Super-
Cool function is activated, fresh food has just been placed
in the appliance or the door has been left open for a while.
u The sound is normal.
→ The ambient temperature is too high.
u Solution: (see 1.2)
A low hum.
→ The sound is produced by air flow noise of the fan.
u The sound is normal.
Vibratory noise.
→ The appliance is not fixed to the ground. The running of the
cooling unit therefore makes objects and adjacent furniture
vibrate.
u Adjust appliance via the height-adjustable feet.
u Move bottles and containers apart.
Flow sound at the soft stop mechanism.*
→ The noise is produced when the door is opened and
closed.
u The sound is normal.
The temperature display indicates: F0 to F9
→ There is a fault.
u Please contact the after-sales service (see Maintenance).
The temperature display reads:FE
→ There is a fault.
u Please contact the after-sales service (see Maintenance).
DEMO shines in the temperature display.
→ The demo mode is activated.
u Please contact the after-sales service (see Maintenance).
The display indicates: POWER FAILURE. The audible
alarm sounds.
→ The freezer temperature rose too high over the last hours or
days due to a power failure or power interruption.
u To switch off the warning beep: press OK button Fig. 3 (3) .
w The display indicates the freezer temperature again.
u If POWER FAILURE continues to be displayed: Please
contact the after-sales service (see Maintenance).
u Check the quality of the food. Do not consume spoiled food.
The outer surfaces of the appliance are warm*.
→ The heat of the refrigeration circuit is used to prevent
condensate from forming.
u This is normal.
The IceMaker cannot be switched on.
→ The appliance and therefore the IceMaker are not
connected.
u Connect the appliance to the mains (see Putting into opera-
tion).
The IceMaker does not make any ice cubes.
→ The IceMaker is not switched on.
u Switch on the IceMaker.
→ The drawer of the IceMaker is not properly closed.
u Close the drawer properly.
→ The water connection is not open.
u Open the water connection.
→ The water intake to the IceMaker has been interrupted.
u Check the water connection (see Putting into operation).
u Check the hosing (see Putting into operation).
→ The screen located in the end piece of the water intake
hose or the screen located in the connecting piece on the
appliance is blocked.
u Clean the screens.
The IceMaker symbol flashes.
→ There is a fault.
u Please contact the after-sales service (see Maintenance).
The display indicates: CHECK WATER SUPPLY. The
audible alarm sounds.
→ A fault of the IceMaker has occurred.
u To switch off the warning bleep: press OK button Fig. 3 (3) .
w The temperature and fault of the IceMaker are indicated in
the display.
u Check whether a handling error has been made.
u Please contact the after-sales service if it is not possible to
correct the fault (see Maintenance).
The display indicates: ICE CUBE TRAY CANNOT BE
EMPTIED. The audible alarm sounds.
→ A fault of the IceMaker has occurred.
u To switch off the warning bleep: press OK button Fig. 3 (3) .
w The temperature and fault of the IceMaker are indicated in
the display.
u Check whether a handling error has been made.
u Please contact the after-sales service if it is not possible to
correct the fault (see Maintenance).
The display indicates: SENSOR FAULT. The audible alarm
sounds.
→ A fault of the IceMaker has occurred.
u To switch off the warning bleep: press OK button Fig. 3 (3) .
w The temperature and fault of the IceMaker are indicated in
the display.
u Check whether a handling error has been made.
u Please contact the after-sales service if it is not possible to
correct the fault (see Maintenance).
The display indicates: MECHANICAL FAULT. The audible
alarm sounds.
→ A fault of the IceMaker has occurred.
u To switch off the warning bleep: press OK button Fig. 3 (3) .
w The temperature and fault of the IceMaker are indicated in
the display.
u Check whether a handling error has been made.
u Please contact the after-sales service if it is not possible to
correct the fault (see Maintenance).
The temperature is not cold enough.
→ The door of the appliance is not properly closed.
u Close the door of the appliance.
→ Insufficient ventilation.
u Clear ventilation grilles.
→ The ambient temperature is too high.
u Solution: (see 1.2) .
→ The appliance was opened too frequently or for too long.
u Wait to see whether the appliance reaches the required
temperature by itself. If not, please contact the after sales
service (see Maintenance).
→ Too much fresh food was placed inside without SuperFrost.
→ The temperature is incorrectly set.
u Set the temperature to a colder setting and check after 24
hours.
→ The appliance is too close to a source of heat (stove, heater
etc).
u Change the position of the appliance or the source of heat.
The interior light is not on.
→ The appliance is not switched on.
u Switch on the appliance.
→ The door was open longer than 15 min.
u The interior light automatically switches off if the door has
been open for about 15 min.
Malfunction
* Depending on model and options 23