Bosch dryer troubleshooting

The Bosch brand was born in 1886, when “Workshop for Precision Mechanics and Electrical Engineering” was founded in Stuttgart. Currently the laundry range includes washers, tumble dryers, and washer dryers.
Do you need Bosch dryer repair help? Find free dryer troubleshooting advice in the tables below. They explain the most common symptoms your appliance can experience and suggest solutions, which enable you to fix the dryer on your own.
Bosch AXXIS dryer troubleshooting
Bosch Vision 300 Series dryer troubleshooting
Bosch WFMC2201UC Nexxt 300 Series dryer troubleshooting
Bosch Nexxt 100 Series dryer troubleshooting
Bosch Nexxt 500 Plus Series dryer troubleshooting

Bosch AXXIS dryer troubleshooting

ProblemPossible causeRemedial action
Dryer does not start.Main plug not inserted at all or not inserted correctly.Insert main plug correctly.
On indicator light does not illuminate.A fuse of power supply has tripped.Replace/switch on fuse.
Start button not pressed.Press Start button.
No program selected.Select program.
Door not closed.Close door.
Ambient temperature below 41 °F/5 °C.Increase room temperature.
Dryer does not start. The selected Start in time flashes in the display.The selected time is not saved.Press the Start button to save the time and to start counting down.
The door opens by itself.The locked pin is not engaged.Push the door closed until you hear the locking pin click into place.
Program has been interrupted.Lint filter dirty.Clean filter as described on page 21. Switch off/switch on again.
Exhaust air duct is blocked or too long.Clean exhaust air duct. Reduce exhaust air duct to maximum length, see table on page 10. Switch off/switch on again.
Fault in program sequence or malfunction.Switch off dryer, leave to cool down for 30 min, switch on again. Restart program.
The room/cabinet is not adequately ventilated.Provide an adequate supply of fresh air. Switch off/switch on again.
Degree of drying has not been reached or the drying time is too long.Moisture sensor dirty.Clean moisture sensor as described on page 21. Switch off/switch on again.
Exhaust air duct is blocked or too long.Clean exhaust air duct. Reduce exhaust air duct to maximum length, see table on page 10. Switch off/switch on again.
Lint filter dirty.Clean filter as described on page 21. Switch off/switch on again.
Laundry was too wet.Spin laundry at higher speed in the washing machine. Switch off/switch on again.
Unsuitable program selected.Select program with aid of the program selection table (see page 18). Switch off/switch on again.
Maximum drying time was exceeded.Clean lint filter (see page 21). Check exhaust air extraction. Spin laundry at a higher speed in your washer.
Motor limit temperature was exceeded.Switch off dryer, leave to cool down for 30 min. Switch on again. Start program.

Bosch Vision 300 Series dryer troubleshooting

ProblemPossible causeRemedial action
Dryer does not start. "Start/Pause" indicator light does not illuminate.Main plug not inserted at all or not inserted correctly.Insert main plug correctly.
A fuse or circuit breaker has tripped.Replace fuse or reset circuit breaker.
“Start/Pause' button not pressed.Press ‘Start/Pause" button.
No program selected.Select program.
Door not closed.Close door.
Ambient temperature below 41 °F (5 °C.)Increase room temperature.
Cycle has been interrupted. A warning signal is emitted and the display shows “CLrT”.Lint filter tfirty.Clean the lint filter as described on page 27. Switch the dryer off/switch on again. If this does not clear the error code, call Customer Service (pg. 32).
Cycle has been interrupted. A warning signal is emitted and the display shows “E:12B”.Exhaust air duct is blocked or too long.Clean exhaust air duct. Reduce exhaust air duct to maximum length as described on page 18. Switch the dryer off/switch on again.
Fault in program sequence or malfunction.Switch off dryer, leave to cool down for 30 min, switch on again. Restart program.
The room/cabinet is not adequately ventilated.Provide an adequate supply of fresh air. Switch off/switch on again.
Degree of drying has not been reached or the drying time is too long. Display may indicate "E:03".Moisture sensor dirty.Clean moisture sensor as described on page 29. Switch the dryer off/switch on again.
Exhaust air duct is blocked or is too long.Clean exhaust air duct. Reduce exhaust air duct to maximum length as described on page 18. Switch the dryer off/switch on again.
Lint filter dirty.Clean filter as described on page 27. Switch the dryer off/switch on again.
Laundry was too wet.Spin laundry at higher speed in the washing machine. Switch the dryer off/switch on again.
Unsuitable program selected.Select program with aid of the program selection table (see page 22). Switch the dryer off/switch on again.
Maximum drying time was exceeded.Clean lint filter (see page 27). Check exhaust air duct. Spin laundry at a higher speed in your washer.
Motor limit temperature was exceeded.Switch off dryer, leave to cool down for 30 min. Switch on again. Start program.
Degree of dryness not correctly set800 Series. Change settings for degree of dryness, see page 25
Drum light does not function.No program selected.Select program.
Light bulb defective, light bulb burned out.Replace burned out bulb and reinstall the cover as directed on page 29.
No power supply.Check power supply.
Light bulb is loose.Remove the bulb cover and if bulb is loose, tighten bulb. Reinstall the cover as directed on page 29.
"Start/Pause" indicator light does not illuminate. “Wrinkle Block®/Finished” indicator lights. The display shows "OOO".Fault in program sequence or malfunction.Switch off dryer, leave to cool down for 30 min, switch on again. Restart program.
Lint filter LED is Winking after the lint filter has been cleanedBlinking of lint filter LED is not an intfication of a problem. It is used only as a reminder.No action required. Light will stop blinking.
Display shows M.Laundry detected in drum during wool program (laundry not on rack)Place laundry on dryer rack. Restart program.
Unusual noise: thumping soundDrum suspension rollers need time to warm up.No action required. As suspension system rollers warm up thumping will decrease and should stop within 2 to 3 minutes of dryer use
Unusual noise: Steady vibration, rocking of the dryerDryer is not level.Level the dryer (see user manual section ‘Installation Instructons’
Unusual noise: Rhythmic vibrationLaundry balled up causing load to bounce.Stop dryer, separate load items, restart dryer.
Water is not sprayed into the unit during Steam cyclesWater tap(s) not turned on.Turn on water tap.
Nozzle does not spray water adequately.Wipe the outside of the nozzle with a cloth moistened with vinegar. If this does not restore the nozzle to spraying, see "Blocked nozzle" remedial action below.
Blocked nozzleRemove the nozzle using a 7/16 inch (11 mm) socket wrench. Place the nozzle into a container filled with enough white vinegar to cover the nozzle. Allow the nozzle to soak for five minuntes, then scrub the nozzle tip gently with a toothbrush to remove residue. Rinse the nozzle and reinsert it back into the dryer and hand tighten, then tighten 1 additional turn with the wrench.
LED or button illuminated on control panel when Cycle Selector is turned to "Off positionFault conditionTurn off the circuit breaker and call Customer Service (pg- 32).

Bosch WFMC2201UC Nexxt 300 Series dryer troubleshooting

FaultPossible causeAction
The door cannot be opened.No final spin selected.Select Drain or Spin.
Power failure.An interrupted program will be resumed when power is restored. If the laundry is to be removed during a power failure, call Customer Service (refer to Page 23).
Program is running and/or the door is locked for safety reasons.Wait until the program ends; see Page 18.
Plug is loose or not inserted.Eliminate the cause.
Program selector turned to Off before end of program.Select a program.
Door cannot be opened, even though the appliance has been switched off and on again.For safety reasons the door has been locked because the water level, temperature or speed is too high.See "Add a garment/interrupting the program", Page 18.
Control lights do not light up.A fuse has blown.Replace the fuse of the individual circuit.
Call Customer Service if this fault recurs.
Power failure.An interrupted program will be resumed when power is restored. If the laundry is to be removed during a power failure, call Customer Service (refer to Page 23).
Program does not start. Start/Pause indicator light flashes.Start/Pause button not pressed.Press the Start/Pause button.
Program does not start. Indicator light “end* is lit and display is flashing *E:OrDoor not closed properly.Check whether laundry is trapped in door. Close the door (a click should be heard). Program continues.
Spin speed cannot be selected.Spinning is already in progress; during spin cycle the speed cannot be changed.Select speed before spinning.
Program selector is set to drain; spin cycle is not possible with this program.If required, select another program.
Water does not enter the machine or detergent is not washed away.Water tap(s) not turned on.Turn on water tap(s) and press Start/Pause button. Program continues.
Indicator light “spin" is lit and display is flashingSupply hose kinked or pinched.Eliminate the cause.
Strainers in supply hose dogged.Clean the water inlet strainers; see Page 19.
“E:02” Of “E:03”Water pressure too low.Eliminate the cause.
Water cannot be seen in drum.This is not a fault. The water level is below the visible part of the drum.
Indicator light “rinse" is lit and display is flashing "E:04” with no water remaining in tub.Suds or pump is blocked.Use less detergent for future wash loads. Detergents specifically designed for you High Efficientcy washer produce fewer suds and will include the letters “HE” on the packaging. Clean the water drainage pipe and/or drain hose. Turn the program selector to “off" and restart Drain program.
Water is flowing out from underneath the machine.The thread of the supply hose is not tight.Tighten the thread.
Leak in the drain hose.Replace the drain hose.
Suds coming out of the detergent dispenser.Too much soap or non-HE soap used, pump could not remove suds.Mix 1 tablespoon of fabric softener with 1 pt (V2 litre) of water and pour into detergent dispenser III. Use less detergent for future wash loads. Detergents specifically designed for you High Efficientcy washer produce fewer suds and will include the letters “HE” on the packaging.
Repeated spinning.This is not a fault. The imbalance compensation system is attempting to balance the load through repeated spins.Always load the drum with large and small items together.
The laundry was not spun.Large items of clothing have become entangled and could not be distributed evenly in the drum. For safety reasons the high-speed spin cycle was automatically suppressed.Always load the drum with large and small items together.
Program duration extended.This is not a fault. The suds detection feature has activated an additional rinsing cycle to reduce the amount of suds.Add a more appropriate amount of detergent.
This is not a fault.Always load the drum with large and small items together.
The imbalance compensation system is attempting to balance the load through repeated spins.
Unsatisfactory washing result.The degree of soiling was higher than estimated.Select suitable program or Heavy duty as an additional option.
Not enough detergent.Add detergent according to the manufacturer’s specifications.
Detergent residue on the laundry.Some phosphate-free detergents contain water-insoluble residues that may appear as light spots on the laundry.Brush off spots wtren laundry is dry.
Gray residue on the laundry.Dirt accumulation from ointments, fats or oils.Add the maximum amount of detergent and select the highest permissible temperature.
System shakes or shudders when passing from lower to higher speed spinning.Drum system suspension can shift during speed up, this is not a failure.Mix small and large laundry pieces in load to minimize this effect.

Bosch Nexxt 100 Series dryer troubleshooting

FaultPossible causeAction
The door cannot be opened.Power failure.An interrupted program will be resumed when power is restored. If the laundry is to be removed during a power failure, call Customer Service (refer to Page 22).
Program is running and/or the door is locked for safety reasons.Wait until the program ends; see Page 17.
Plug is loose or not inserted.Eliminate the cause.
Program selector turned to Off before end of program.Select a program.
Door cannot be opened, even though the appliance has been switched off and on again.For safety reasons the door has been locked because the water level, temperature or speed is too high.See "Add a garment/interrupting the program”, Page 17.
Control lights do not light up.A fuse has blown.Replace the fuse of the individual circuit.
Call Customer Service if this fault recurs.
Power failure.An interrupted program will be resumed when power is restored. If the laundry is to be removed during a power failure, call Customer Service (refer to Page 22).
Program does not start. Start/Pause indicator light flashes.Start/Pause button not pressed.Press the Start/Pause button.
Program does not start. Indicator light “end" is lit.Door not closed properly.Check whether laundry is trapped in door. Close the door (a click should be heard). Program continues.
Detergent residue in the detergent dispenser.Detergent was damp or lumpy.Clean and dry the detergent dispenser; see Page 18. Use the cap of the detergent bottle to measure liquid detergents.
Water does not enter the machine or detergent is not washed away.Water tap(s) not turned on.Turn on water tap(s) and press Start/Pause button. Program continues.
Supply hose kinked or pinched.Eliminate the cause.
Indicator light “spin” is lit.Strainers in supply hose clogged.Clean the water inlet strainers; see Page 18.
Water pressure too low.Eliminate the cause.
Water cannot be seen in drum.This is not a fault. The water level is below the visible part of the drum.
Indicator light “rinse” is lit with no water remaining in tub.Suds or pump is blocked.Use less detergent for future wash loads. Detergents specifically designed for you High Efficientcy washer produce fewer suds and will include the letters “HE" on the packaging. Clean the water drainage pipe and/or drain hose. Turn the program selector to “off" and restart Drain program.
Water is flowing out from underneath the machine.The thread of the supply hose is not tight.Tighten the thread.
Leak in the drain hose.Replace the drain hose.
Suds coming out of the detergent dispenser.Too much soap or non-HE soap used, pump could not remove suds.Mix 1 tablespoon of fabric softener with 1 pt (Vi litre) of water and pour into detergent dispenser III.
Use less detergent for future wash loads. Detergents specifically designed for you High Efficientcy washer produce fewer suds and will include the letters “HE” on the packaging.
Repeated spinning.This is not a fault. The imbalance compensation system is attempting to balance the load through repeated spins.Always load the drum with large and small items together.
The laundry was not spun.Large items of clothing have become entangled and could not be distributed evenly in the drum. For safety reasons the high-speed spin cycle was automatically suppressed.Always load the drum with large and small items together.
Program duration extended.This is not a fault. The suds detection feature has activated an additional rinsing cycle to reduce the amount of suds.Add a more appropriate amount of detergent.
This is not a fault.Always load the drum with large and small items together.
The imbalance compensation system is attempting to balance the load through repeated spins.
Unsatisfactory washing result.The degree of soiling was higher than estimated.Select suitable program
Not enough detergent.Add detergent according to the manufacturer’s specifications.
Detergent residue on the laundry.Some phosphate-free detergents contain water-insoluble residues that may appear as light spots on the laundry.Brush off spots when laundry is dry.
Gray residue on the laundry.Dirt accumulation from ointments, fats or oils.Add the maximum amount of detergent and select the highest permissible temperature.
System shakes or shudders when passing from lower to higher speed spinning.Drum system suspension can shift during speed up, this is not a failure.Mix small and large laundry pieces in load to minimize this effect.

Bosch Nexxt 500 Plus Series dryer troubleshooting

ProblemPossible causeRemedial action
Dryer does not start. “Start/Stop” indicator light does not illuminate.Main plug not inserted at all or not inserted correctly.Insert main plug correctly.
A fuse of power supply has tripped.Replace/switch on fuse.
“Start/Stop" button not pressed.Press “Start/Stop” button.
No program selected.Select program.
Door not closed.Close door.
Ambient temperature below 41 °F (5 °C.)Increase room temperature.
Laundry is wet after drying.The shut-off valve is closed.Open the shut-off valve.
Program has been interrupted. A warning signal is emitted and the display shows “E:01M.Lint filter dirty.Clean filter as described on page 21. Switch off/switch on again.
Exhaust air duct is blocked or too long.Clean exhaust air duct. Reduce exhaust air duct to maximum length as described on page 12. Switch off/switch on again.
Fault in program sequence or malfunction.Switch off dryer, leave to cool down for 30 min, switch on again. Restart program.
The room/cabinet is not adequately ventilated.Provide an adequate supply of fresh air. Switch off/switch on again.
Degree of drying has not been reached or the drying time is too long. Display may indicate “E:03".Moisture sensor dirty.Clean moisture sensor as described on page 23. Switch off/switch on again.
Exhaust air duct is blocked or too long.Clean exhaust air extraction. Reduce exhaust air duct to maximum length as described on page 12. Switch off/switch on again.
Lint filter dirty.Clean filter as described on page 21. Switch off/switch on again.
Laundry was too wet.Spin laundry at higher speed in the washing machine. Switch off/switch on again.
Unsuitable program selected.Select program with aid of the program selection table (see page 17). Switch off/switch on again.
Maximum drying time was exceeded.Clean lint filter (see page 21). Check exhaust air extraction. Spin laundry at a higher speed in your washer.
Motor limit temperature was exceeded.Switch off dryer, leave to cool down for 30 min. Switch on again. Start program.
Degree of dryness not correctly set800 Series, Change settings for degree of dryness, see page 19
Drum light does not function.No program selected.Select program.
Light bulb defective, light bulb burned out.Change light bulb, see page 24.
No power supply.Guarantee power supply.
Light bulb is loose.Tighten light bulb. Remove and reinstall the cover as directed on page 24.
“Start/Stop" indicator light does not illuminate. “Wrinkle block” indicator lights. The display shows “000”.Fault in program sequence or malfunction.Switch off dryer, leave to cool down for 30 min, switch on again. Restart program.
Lint filter LED is blinking after lint fitter has been cleanedBlinking of lint filter LED is not an indication of a problem. It is used only as a reminder.No action required. Light will stop blinking.
Unusual noise: thumping soundDrum suspension rollers need time to warm up.No action required. As suspension system rollers warm up thumping will decrease and should stop within 2 to 3 minutes of dryer use
Unusual noise: Steady vibrationDryer is not level.Level the dryer (see user manual section Installation Instructons”
Unusual noise: Rhythmic vibrationLaundry balled up causing load to bounce.Stop dryer, separate load items, restart dryer.
Water is not sprayed into the unit during MISTCARE ™ cyclesWater tap(s) not turned on.Turn on water tap.
AQUASTOP® Hose safety feature activated.Confirm activation of AQUASTOP® Hose by visual inspection of red indicator in hose (see page 8). If red indicator shows (hose is activated) replace hose.
Blocked nozzleRemove the nozzle using a 7/16 inch socket wrench. Place the nozzle into a container filled with enough white vinegar to cover the nozzle. Allow the nozzle to soak for five minuntes, then scrub the nozzle tip gently with a toothbrush to remove residue. Rinse the nozzle and reinsert it back into the dryer and hand tighten, then tighten 1 additional turn with the wrench.