Liebherr CP 4023 Comfort - Manual (Page 12)

6.3 Customer service
First check whether you can correct the fault yourself by refer-
ence to the list (see Malfunction). If this is not the case, please
contact the customer service whose address is given in the
enclosed customer service list.
WARNING
Risk of injury if repair work is not carried out professionally!
u Have any repairs and action - not expressly specified - on
the appliance and mains cable carried out by service
personnel only. (see Maintenance)
u Read the appliance
designation
Fig. 12 (1) , service
No. Fig. 12 (2) and
serial No. Fig. 12 (3)
off the type plate
located inside the
appliance on the left-
hand side.
Fig. 12
u Notify the customer service, specifying the fault, appliance
designation Fig. 12 (1) , service No. Fig. 12 (2) and serial No.
Fig. 12 (3) .
w This will help us to provide you with a faster and more accu-
rate service.
u Keep the appliance closed until the customer service
arrives.
w The food will stay cool longer.
u Pull out the mains plug (not by pulling the connecting cable)
or switch off the fuse.
7 Malfunctions
Your appliance is designed and manufactured for a long life
span and reliable operation. If a malfunction nonetheless
occurs during operation, check whether it is due to a handling
error. In this case you will have to be charged for the costs
incurred, even during the warranty period. You may be able to
rectify the following faults yourself:
Appliance does not work.
→ The appliance is not switched on.
u Switch on the appliance.
→ The power plug is not properly inserted in the wall socket.
u Check power plug.
→ The fuse of the wall socket is not in order.
u Check fuse.
The compressor runs for a long time.
→ The compressor switches to a low speed when little cold is
needed. Although the running time is increased as a result,
energy is saved.
u This is normal in energy-saving models.
→ SuperFrost is activated.
u The compressor runs for longer in order to rapidly cool the
food. This is normal.
A LED on the bottom rear of the appliance (at the
compressor) flashes regularly every 15 seconds*.
→ The inverter is equipped with a diagnostic LED.
u The flashing is normal.
Excessive noise.
→ Due to the various speed steps, speed-regulated*
compressors can generate different running noises.
u The sound is normal.
A bubbling and gurgling noise.
→ This noise comes from the refrigerant flowing in the refriger-
ation circuit.
u The sound is normal.
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
SuperFrost, 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.
The SuperFrost button flashes together with the tempera-
ture display.
→ There is a fault.
u Please contact the after-sales service (see Maintenance).
All LEDs are illuminated in the refrigerator compartment
temperature display.
→ Demo mode is activated.
u Please contact the after-sales service (see Maintenance).
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 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.
u Solution: (see 5.3.5)
→ 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.
→ The LED illumination is defective or the cover is damaged:
Malfunctions
12 * Depending on model and options