Liebherr Fridge Freezer Troubleshooting

Liebherr CBNbe 6256 Fridge Freezer Troubleshooting

Problem Solution
Appliance does not function- Is the appliance switched on?
- Is the plug correctly fitted in the mains socket?
- Is the fuse intact?
Loud running noise- Is the appliance set up firmly on the floor?
- Does the appliance cause nearby items of furniture or objects to vibrate? Please note that noises caused by the refrigerant circuit cannot be avoided
The temperature is not low enough- Is the temperature setting correct?
- Does the separately installed thermometer show the correct reading?
- Is the ventilation system working properly?
- Is the dust filter in the appliance plinth soiled?
- Is the appliance set up too close to a heat source?

Liebherr CBNes 6256 Fridge Freezer Troubleshooting

Problem Cause Solution
Appliance does not workThe appliance is not switched onSwitch on the appliance
The power plug is not properly inserted in the wall socketCheck power plug
The fuse of the wall socket is not in orderCheck fuse
The appliance plug does not fit the appliance properlyCheck the appliance plug
The appliance has not been used for longer than 24 hours. The screen has switched offOpen the door
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 savedThis is normal in energy-saving models
SuperFrost is activatedThe compressor runs for longer in order to rapidly cool the food. This is normal
SuperCool is activatedThe compressor runs for longer in order to rapidly cool the food. This is normal
The Demo mode active! message appears on the screen with the time elapsingDemo mode is enabledPress Stop. DEMO appears in the bottom right corner of the screen
Unplug the appliance
Plug the appliance in again. The outer surfaces of the appliance are warm
The heat of the refrigeration circuit is used to prevent condensate from formingThis is normal
The temperature is not cold enoughThe door of the appliance is not properly closedClose the door of the appliance
Insufficient ventilationKeep ventilation grille clear, and clean
The ambient temperature is too high
The appliance was opened too frequently or for too longWait to see whether the appliance reaches the required temperature by itself. If not, please contact the after sales service
Too much fresh food was placed inside without SuperFrostSet the temperature to a colder setting and check after 24 hours
The appliance is too close to a source of heat (stove, heater etc).Change the position of the appliance or the source of heat
The internal light does not come onThe appliance is not switched onSwitch on the appliance.
The door was open longer than 15 minThe interior light automatically switches off if the door has been open for about 15 min
The appliance has not been used for longer than 24 hours. The screen and LEDs have switched offOpen the door and wait a moment.

Liebherr CBNPes 4858 Fridge Freezer Troubleshooting

Problem Cause Solution
Excessive noiseDue to the various speed steps, speed-regulated compressors can generate different running noisesThe sound is normal
A bubbling and gurgling noiseThis noise comes from the refrigerant flowing in the refrigeration circuitThe sound is normal
A quiet clicking noiseThe noise is produced whenever the refrigeration unit (motor) automatically switches on or offThe sound is normal
A hum. It is briefly a little louder when the refrigeration unit (the motor) switches onThe 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 whileThe sound is normal
The refrigeration increases automatically when the SuperCool function is activated, fresh food has just been placed in the appliance or the door has been left open for a whileThe sound is normal
A low humThe sound is produced by air flow noise of the fanThe sound is normal
Vibratory noiseThe appliance is not fixed to the ground. The running of the cooling unit therefore makes objects and adjacent furniture vibrateAdjust appliance via the height-adjustable feet.
Move bottles and containers apart

Liebherr CBNPgb 4855 Premium BioFresh Fridge Freezer Troubleshooting

Problem Solution
Door alarmAn audible warning sounds if the door is open for longer than 60 seconds. The Door alarm appears on the display. The audible warning stops automatically when the door is closed.
The audible warning can be switched off when the door is open. The audible alarm is switched off while the door is open.
> Press OK. > The audible signal stops. > The display switches to the home screen.
Temperature alarmAn audible signal sounds if the temperature in the freezer compartment is not cold enough. The Temperature alarm message appears on the display.
The temperature had risen too high during the last few hours or days. When the fault is eliminated the appliance continues to work at the last temperature setting.
The reason for too high a temperature may be: - hot, fresh food was inserted
- too much warm room air flowed in when rearranging and removing food
- the power was cut off for a while
- the appliance is faulty
> Press OK. > The audible signal stops. > The display switches to the home screen. > The temperature alarm symbol is displayed in the relevant temperature field. > Check the food for quality. Do not consume spoiled food. Do not re-freeze defrosted food, > The symbol is greyed out when the target temperature is reached.
If the alarm status persists or the temperature cannot be reset independently
Power cutAn audible warning sounds. The Power failure alarm message appears on the display. The warmest temperature reached in the freezer compartment during the power cut is displayed on the screen.
The temperature had risen too high over the last few hours or days due to a power cut or power interruption. When the power has been restored, the appliance continues to work in the last temperature setting in the Day-to-Day programme. Activated reminders for changing the FreshAir filter and cleaning the ventilation grid are retained. If the Holiday programme was active before the power failure, the appliance continues in the Holiday programme.
> Press OK. > The audible signal stops. > The display switches to the home screen. > The temperature alarm symbol is displayed in the relevant temperature field. > Check the food for quality. Do not consume spoiled food. Do not re-freeze defrosted food, > The symbol is greyed out when the target temperature is reached
Appliance faults An audible warning sounds. The Fault message appears on the display with the relevant error code
An appliance component indicates a faultNote the fault code. > Press OK. > The audible signal stops. > The display switches to the home screen
Water inlet faultAn audible warning sounds. The Fault message appears in the display with the WATER error code

Liebherr CN 3915 Comfort Fridge Freezer Troubleshooting

Problem Cause Solution
Temperature set incorrectlySet colder and check after 24 hours
Temperature is not cold enoughAppliance door is not fully closedClose appliance door
Appliance is not switched onSwitch on the appliance
The appliance was opened too frequently or for too longWait to see if the appliance goes back to the required temperature by itself. If not, contact customer services
Appliance is set up too close to a heat sourceChange the location of the appliance or adjust the heat source. The interior light does not light up
The door was open for longer than 15 minutesInterior light switches off automatically if the door stays open for approx. 15 minutes
Icing up or condensate formingThe door seal may have also slipped out of its grooveCheck the door seal
The appliance does not functionThe appliance is not switched onPlug the plug into the mains socket correctly, check fuse Vibration noises, if the appliance is not set up firmly on the floor.
Align the appliance with the adjustable feet
Ventilation and aeration insufficientClear and clean the ventilation grille