Bosch refrigerator troubleshooting

The make of Bosch refrigerators is one of the most popular brands. They represent reliable kitchen appliances proven with the best hand. Bosch refrigerators do not require complicated care. The emergence of bacteria and mold is practically impossible inside them. Their meticulously thought-out design allows you to place products with the maximum convenience. Bosch refrigerators are known for their elegant design, harmoniously blending into any interior, the minimum level of energy consumption and virtually silent operation. Below you will find a table of Bosch refrigerator troubleshooting system.

Bosch 800 series refrigerator troubleshooting

ProblemCauseSolution
The temperature in the refrigerator or freezer compartment is too cold.Temperature has been set too low.Select a warmer temperature.
Ice cubes are watery.Ice cubes have melted - power failure or the freezer compartment door was not closed properly.Remove the ice cube maker, empty and rub dry.
Ice cubes are evaporating.Cold air flowing over the ice cubes is causing shrinkage, particularly if consumption is low. This is normal.
Ice cubes are sticking in the ice cube tray.Limescale from the water may be forming in the trays.Moisten a cloth with vinegar and wipe out the trays.
If limescale is thick, always dean the trays when cleaning the refrigerator compartment.
Ice cubes are not the same size and there is water in the ice cube container.The appliance is not level.Align the appliance with a spirit level and with the height-adjustable rollers or feet
Ice cubes are in the ice cube container but are not being dispensed.Ice cubes are frozen together.Remove and empty the ice cube container.
Ice cubes are jammed in the outlet of the ice cube container or in the ice crusher.Remove the ice cube container and rotate the screw conveyor by hand. Loosen any jammed chunks of ice with a wooden chopstick.
Appliance has no refrigerating capacity. The interior light is not functioning.Power failure; the fuse has been switched off; the main plug has not been inserted properly.Check whether the power is on, the fuse must be switched on.
The refrigerating unit is switching on more frequently and for longer.Appliance door opened frequently.Do not open the door unnecessarily.
Large quantities of fresh food are being frozen.Do not exceed max. freezing capacity.
The ventilation openings have been covered.Remove obstacles.
The frozen food is frozen solid.Loosen frozen food with a blunt object. Do not use a knife or pointed object.
There is a thick layer of frost in the freezer compartment.Always ensure that the appliance door is closed.
The interior light is not functioning.The bulb is defective.Replace bulb.
Light switch is sticking.Check whether it can be moved.
The freezer compartment is no longer reaching the selected temperature.The freezer compartment door was open too long. The evaporator (refrigeration generator) is covered in such a thick layer of ice that the fully automatic defrosting system is no longer able to defrost this amount of ice.Take frozen food out of the appliance, insulate thoroughly and place in a cool location. After approx. 12 hours the ice in the refrigerating system has thawed. Switch on the appliance again and put back the frozen food.
To prevent loss of refrigeration, do not open the refrigerator compartment door unnecessarily often.
If the fault cannot be rectified by means of the above information, please call customer service.
Despite prolonged operating time, ice cubes are not being dispensed.Tap turned off.Turn tap on.
Water supply is interrupted. Water pressure too low.Inform plumber.
Ice maker is locked. The symbol is lit on the display panel.Press the Ice Maker Lock button.
Freezer compartment too warm.Lower temperature in the freezer compartment
The flap on the ice cube dispenser is not closing properly.Ice cubes are preventing the flap from closing.Remove ice cubes.
Water dispenser is not functioning.Tap turned off.Turn tap on.
Water supply is interrupted. Water pressure too low.Inform plumber.
Freezer compartment too warm.Lower temperature in the freezer compartment.

Bosch B20CS5 Series refrigerator troubleshooting

ProblemPossible causeCorrective action
No display on the display panel, interior light is not working, and the appliance is not working.The power cord is not plugged in.Plug in the power cord.
The fuse has blown or circuit breaker has been tripped.Replace fuse or reset the circuit breaker. Check if electricity is present at outlet.
Power outage.Wait until power has been restored. If necessary, contact an electrician or the utility company.
The interior light is not working.The light switch to the freezer or refrigerator compartment is sticking.Check whether the light switch can be moved.
The LED bulb is defective.
Food is too cold.Temperature has been set too low.Adjust to a higher temperature.
Food is too warm.Door will not close properly.Align the appliance with a level.
Check the position of the drawers and correct, if necessary.
Check the door seals and foldaway door bar; if necessary, clean or correct position.
Temperature has been set too high.Select a lower temperature.
Ventilation opening is blocked.Remove any food blocking the ventilation opening.
Doors were opened frequently or were open for an extended period of time.Wait until the temperature in the appliance drops.
A large amount of fresh food has been placed in refrigerator.Fresh food must first reach the correct storage temperature.
Appliance has an unpleasant odor.Food with a strong odor was placed in the refrigerator.Wrap up the food or place it in an airtight container.
The interior compartment is dirty.Clean the interior compartment.
Water droplets are forming on the exterior of the appliance.Door will not close properly.Align the appliance with a level. Check the position of the drawers and correct, if necessary.
Check the door seals and foldaway door bar; if necessary, clean or correct position.
Humidity is too high.This may be normal in certain regions.
Water droplets are forming inside the appliance.Humidity is too high or doors have been opened frequently.Do not open doors as frequently or do not keep them open too long.
The door seals are not tight.Check the door seals and foldaway door bar; if necessary, clean or correct position.
Drawers can only be closed with great difficulty.The drawer has not been inserted correctly. The drawer rails are dirty.Insert the drawer correctly. Clean the drawer rails.
The water filter symbol is flashing.The filter cartridge is old.Replace the filter cartridge.
After replacing the filter cartridge, the water filter symbol was not reset.Reset the water filter symbol.
The ice maker is not making enough ice cubes or the ice cubes are deformed.The appliance or ice maker was just recently switched on.It takes approx. 24 hours before it starts making ice.
A large amount of ice has been taken out.It takes approx. 24 hours before the ice storage bin is full again.
Water pressure is too low.Have the water pressure checked.
The filter cartridge is clogged or old.Replace the filter cartridge.
The ice maker is not making enough ice cubes or any ice cubes at all.An ice cube is jammed on the arm that measures the level of the ice cube container.Remove the ice cube container and release the jammed ice cubes with a blunt plastic tool. Do not use sharp or pointy objects as this could damage the appliance.
When switching from ice cubes to crushed ice , an ice cube may become jammed inside the dispenser opening. The ice cube will begin to melt and water will drip into the ice and water dispenser.Release the jammed ice cube from the dispenser opening using a blunt plastic tool. Do not use sharp or pointy objects as this could damage the appliance.
There is a layer of ice on the screw conveyor.Remove and clean the ice cube container.
The ice cube container contains ice cubes that are not being dispensed.Ice cubes are frozen to one another.Remove and clean the ice cube container.
The ice maker is not making ice cubes.The ice maker is switched off.Switch on the ice maker.
The appliance is not being supplied with water.Have a qualified technician check the water connection.
The water connection line has kinks in it.Shut off the water supply. Straighten out the kinks. Have damaged water connection lines replaced with original manufacturer parts.
Water pressure is too low.Have the water pressure checked.
The ice cube container is not inserted correctly.Insert the ice cube container correctly.
The water connection is installed incorrectly.If the water connection is not installed correctly, this can cause low water pressure and can damage the appliance.
Very little or no water is dispensed from the water dispenser.The filter cartridge is clogged or old.Replace the filter cartridge.
Water pressure is too low.Have the water pressure checked.
The shut-off valve is not open all the way.Adjust the shut-off valve so it is open all the way.
The water connection line has kinks in it.Shut off the water supply. Straighten out the kinks. Have damaged water connection lines replaced with original manufacturer parts.
The dispensed water is not cold.The appliance was just recently installed.It takes approx. 12 hours for the water to cool down.
The water has been in the lines for an extended period of time and has adjusted to the room temperature.Fill and discard the first 15 glasses of water.
The water is cloudy.Air or air bubbles in water.This is normal when using the water dispenser for the first time and will disappear after a short period of time.
There are particles floating in the water or suspended in the ice cubes.The first time the water flows through the filter cartridge, it may contain carbon dust from the filter cartridge.These suspended particles are not harmful! They will disappear after a short period of time.
Suspended particles are formed by mineral deposits when water is frozen and then allowed to thaw.These suspended particles are not harmful! This occurs naturally in the water supply.

Bosch Linea B22CS30SNS refrigerator troubleshooting

FaultPossible causeRemedial action
Appliance has no cooling capacity. The interior light does not function. The display does not come on.Power failure; the fuse has actuated; the mains plug is not in properly.Check that the power is on. The fuse must be switched on. Check that the mains plug is plugged in.
The refrigerating unit switches on more and more frequently and for longer.Appliance door opened frequently.Do not open the door unnecessarily.
Large quantities of fresh food placed in the appliance.Switch on Super function.
The ventilation openings are covered.Remove obstacles and dirt.
The temperature in the refrigerator or freezer compartment is too cold.Temperature has been set too low.Set a warmer temperature.
The interior light does not function.The bulb is defective.Change the bulb.
The light switch is sticking.Check whether it can be moved.
The appliance is giving off odors.Strong-smelling foods have not been packed in airtight containers.Clean the appliance. Pack strong-smelling foods in airtight containers.
Ice maker does not appear to be running.The ice maker is not connected to the power supply.Call customer service.
The ice maker has no water supply.Ensure that the water supply line is connected properly.
The freezer compartment temperature is too high.Check temperature of the freezer compartment. If required, lower the temperature.
Small ice cubes over a prolonged period.Other domestic appliances which use water are in operation.Avoid using e.g. a dishwasher, washing machine or shower at the same time.
Water filter must be changed.Instructions for changing the water filter can be found in the enclosed installation instructions.
Wrong water pressure.Check water pressure. The water pressure must be between 25 and 120 p.s.i. (1.72-8.25 bar).
A wrong water valve has been installed.Self-tapping valves and 3/16 inch (4.76 mm) saddle valves reduce the water pressure and may eventually block the pipe. The manufacturer is not liable for damage to property due to an incorrect installation or water connection.
Ice cubes have an unpleasant odor/flavor.Ice which is stored for a long time may absorb odors which impair their taste.Dispose of old ice cubes. Use the ice maker more frequently.
The ice cube container is dirty.Empty and wash out the ice cube container.
Unsealed packages in the freezer transfer odor/flavor particles to the ice cubes.Check whether the frozen food has been packed in airtight containers.
Clean the inside of the appliance.
Ice maker is not producing any ice.The ice cube container is in the false position.Reinsert the container and slide it backwards to the end position.
The water pressure is too low.Check water pressure. The water pressure must be between 25 and 120 p.s.i. (1.72-8.25 bar).
The freezer compartment temperature is too high.Check temperature of the freezer compartment. If required, lower the temperature.
A wrong water valve has been installedt.Self-tapping valves and 3/16 inch (4.76 mm) saddle valves reduce the water pressure and may eventually block the pipe. The manufacturer is not liable for damage to property due to an incorrect installation or water connection.
The ice maker is not producing enough ice or the ice cubes are misshapen.The water pressure is too low.Check water pressure. The water pressure must be between 25 and 120 p.s.i. (1.72-8.25 bar).
The freezer compartment temperature is too low.Check temperature of the freezer compartment. If required increase the temperature.
Change the water filter.Instructions tor changing the water filter can be found in the enclosed installation instructions.
Ice is forming in the supply hose to the ice maker.The water pressure is too low.Check water pressure. The water pressure must be between 25 and 120 p.s.i. (1.72-8.25 bar).
The freezer compartment temperature is too high.Check temperature of the freezer compartment. If required, lower the temperature.
Water is flowing out of the appliance. Close shut-off valve immediately.The water pipe in the appliance is defective.Call customer service immediately.
The water pressure is too low.The valve may leak if the water pressure is too low. The water pressure must be between 25 and 120 p.s.i. (1.72-8.25 bar).
A wrong water valve has been installed.Self-tapping valves and 3/16 inch (4.76 mm) saddle valves reduce the water pressure and may eventually block the pipe. The manufacturer is not liable for damage to property due to an incorrect installation or water connection.

Bosch KGN Series refrigerator troubleshooting

FaultPossible causeRemedial action
Temperature differs greatly from the set value.In some cases it is adequate to switch off the appliance for 5 minutes.
If the temperature is too high wait a few hours and check whether the temperature has approached the set value.
If the temperature is too low check the temperature again the next day.
The light does not function.Light switch is sticking.Check whether the light switch can move.
The light is defective.
Displays do not illuminate.Power failure; the fuse has been switched off; the mains plug has not been inserted properly.Connect mains plug. Check whether the power is on, check the fuses.
The temperature in the freezer compartment is too warm.Appliance opened frequently.Do not open the appliance unnecessarily.
The ventilation openings have been covered.Remove obstacles.
Large quantities of fresh food are being frozen.Do not exceed max. freezing capacity.
Freezer compartment door was open for a long time; temperature is no longer reached.The evaporator (refrigeration generator) in the NoFrost system is covered in thick ice and can no longer be defrosted fully automatically.To defrost the evaporator, remove the frozen food with the compartments, insulate well and store in a cool location.
Switch off the appliance and move it away from the wall. Leave the appliance door open.
After approx. 20 min. the condensation begins to run into the evaporation pan, at the rear of the appliance. 
To prevent the evaporation pan from overflowing in this case, mop up the condensation with a sponge.
The evaporator is defrosted when the water stops running into the evaporation pan. Clean the interior. Switch the appliance back on again.