Bosch Washing Machine Flashing [Problems & Solutions]

Is your Bosch washing machine flashing different messages on the display? If so, this detailed guide will give you easy-to-follow steps on how to solve the problem…

Bosch Washing Machine Flashing Water Tap — How To Fix

Is your Bosch washing machine flashing a water tap on the display? If so, indicates that something is preventing your washer from filling. Here are the most common causes of this issue…

1. Water Faucet Isn’t On

If your washing machine isn’t filling, the first thing you should check is the water supply faucet. Ensure that it is fully opened before starting a cycle.

2. Inlet Filters Are Clogged

To clean clogged inlet filters in your Bosch washing machine, take the following steps…

Step 1. Turn your machine’s water supply faucet off and unplug the power cord from the outlet in order to prevent damage.

Step 2. Loosen the HOT and COLD water supply hoses from the inlet ports (keep a rag handy in case water spills out).

Step 3. With a pair of needle-nosed pliers, pull out the mesh filters in each of the inlet ports.

Step 4. Take the filters to a tap and use a soft brush to clean off any dirt that may have clogged them.

Step 5. Once you’ve cleaned the filters properly, push them back into the ports, then reconnect the water supply hoses.

Step 6. Turn your machine’s water faucet back on and plug the power cord back into the outlet. Try running a wash cycle to see if the problem has been fixed.

3. Water Inlet Valve Is Damaged

Here are the steps you’ll need to take to replace a damaged water inlet valve in your Bosch washing machine…

Step 1. Disconnect your washing machine from the power outlet and turn the water supply off in order to prevent electrocution and water leakage.

Step 2. Using a pair of pliers, unscrew the COLD and HOT water supply hoses from the ports at the back of the machine (be sure to keep a cloth nearby to clean up water leaks).

Step 3. With your Torx screwdriver, take out the bolts at the back of the machine securing the top panel. Pull the panel backwards about an inch or so, then lift it off the cabinet.

Step 4. Use your pliers to squeeze the clamps on the tubes attached to the inlet valve, then slide them out of place. Pull the tubes off the inlet valve.

Step 5. Disconnect the electrical connectors attached to the water inlet valve (ensure that you remember where each connector goes).

Step 6. Use your screwdriver to loosen the bolts securing the inlet valve assembly to the cabinet. Pull the inlet valve out of the machine, then set it aside.

Step 7. Prepare your new washing machine water inlet valve for installation by removing it from its packaging.

Step 8. Mount the new water inlet valve on the cabinet, then secure it by applying the screws with your Torx screwdriver.

Step 9. Plug each electrical connector into its appropriate terminal on the new valve. Attach the tubes to the valve, then secure them by sliding the spring clamps into place.

Step 10. Place the top panel back on the machine, then use your Torx screwdriver to apply the screws at the back.

Step 11. Reconnect the two water inlet hoses to the ports at the back of the machine (ensure that the hoses are secured properly in order to prevent water leaks).

Step 12. Turn your washer’s water supply back on, then plug the power cord into the outlet. To ensure that the issue has been fixed, try running a wash cycle.

4. Water Level Switch Is Faulty

Take the following steps to replace a faulty water pressure switch in your Bosch washing machine…

Step 1. Disconnect your machine from the outlet before starting this repair in order to prevent electrocution.

Step 2. Use your Torx screwdriver to loosen the bolts holding the top panel to the cabinet. Slide the panel backwards, then lift it off the machine.

Step 3. Unplug the electrical connector attached to the water level switch. Release the clamp holding the tube to the level switch, then slide it out of place. Pull the tube off.

Step 4. Use a screwdriver to loosen the bolt holding the water level switch to the cabinet. Take the switch out of the machine, then discard it.

Step 5. Remove your new washing machine water level switch from its packaging. Mount the new switch on the cabinet, then apply the screw.

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Step 6. Plug the electrical connector to the new switch. Attach the air pressure tube to the new pressure switch, then secure it using the spring clamp.

Step 7. Place the top panel back onto the cabinet, then apply the screws at the back with your Torx screwdriver.

Step 8. Plug your washing machine back into the power source, then try running a rinse cycle to see if the issue has been fixed.

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Bosch Washing Machine Flashing F21 — Quick Fix

Is your Bosch washing machine flashing F21 on the display? This indicates that something is preventing the machine from draining. Here are the most common causes of this issue…

1. Drain Pump Filter Is Clogged

To clean a clogged pump filter in your Bosch washing machine, take the following steps…

Step 1. Ensure that your washing machine is disconnected from the outlet before starting this repair.

Step 2. Pry the lower front access panel off the cabinet, then set it aside. Pull the emergency drain tube out of the retainer.

Step 3. Place a container under the drain hose. Pull the cap off the hose, then drain out any water stuck in the machine.

Step 4. Once all the water has drained out into the container, put the cap back on the hose.

Step 5. Turn the pump filter knob beside the hose counter-clockwise then take it out of the machine.

Step 6. Take the filter to a sink and clean out any debris and lint that may have accumulated in in.

Step 7. Once you’ve thoroughly cleaned the filter, put it back in place and turn it clockwise to lock it in.

Step 8. Plug your washing machine back into the outlet and try running a wash cycle to see if the problem has been fixed.

2. Drain Pump Is Damaged

To replace a damaged drain pump in your Bosch washing machine, here are the steps you’ll need to take…

Step 1. Prevent electrical damage by ensuring that your washing machine is disconnected from the outlet before starting this repair.

Step 2. With your Torx screwdriver, loosen the screws at the back of the machine securing the top panel. Slide the panel backwards about an inch or so, then lift it off the cabinet.

Step 3. Open your washer’s door. Using either a flat-blade screwdriver or a pair of pliers, pry the metal band off the door gasket (take care not to puncture the gasket).

Step 4. Peel the door gasket off the panel. Use your screwdriver to loosen the screws securing the door lock to the cabinet.

Step 5. Slide the soap tray out of the detergent dispenser, then press the tab to completely release it from the housing.

Step 6. Use your Torx screwdriver to loosen all the bolts securing the control panel to the front of the cabinet.

Step 7. Pry the control panel off the machine, then unplug each electrical connector attached to it (ensure that you take note of where each connector goes).

Step 8. Pry the lower front access panel off the cabinet and set it aside. Use your screwdriver to take out the bolts at the top and bottom of the panel.

Step 9. Carefully lift the front panel off the cabinet, then set it aside. Unplug the electrical connector attached to the drain pump at the bottom of the tub.

Step 10. Use a pair of pliers to release the clamp on the hose attached to the pump, then slide it out of place. Pull the outlet hose off the tub (make sure to keep a rag nearby to clean any leaks).

Step 11. Loosen the screws holding the pump assembly to the cabinet. Pull the drain pump out of the machine, then discard it.

Step 12. Prepare your new washing machine drain pump for installation by removing it from its packaging.

Step 13. Install the new drain pump in the cabinet, then apply the screws to secure it. Plug the electrical connector to the terminal on the new pump assembly.

Step 14. Reconnect the outlet hose to the port on the new drain pump. Secure the hose by sliding the retaining clamp into place.

Step 15. Lift the front panel and snap it onto the cabinet. Use your Torx screwdriver to apply the screws at the bottom and top of the panel.

Step 16. Snap the lower front access panel back onto the cabinet. Plug each wire connector into its appropriate terminal on the control panel.

Step 17. Snap the panel onto the front of the machine, then use your Torx screwdriver to apply the screws. Slide the soap tray back into the housing.

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Step 18. Open the door of the washer. Push the door lock back into place, then apply the screws using your Torx screwdriver.

Step 19. Carefully fit the door gasket back around the panel. Use a flat-blade screwdriver to fit the retaining band around the door gasket.

Step 20. Place the top panel on the cabinet, then use your screwdriver to apply the bolts at the back.

Step 21. Plug your washing machine back into the electrical outlet, then try running a wash cycle to see if the problem has been fixed.

Bosch Washing Machine Flashing E43 — Solved

If your Bosch washing machine is flashing the E43 error code, it indicates that something is preventing the drum from spinning. Here are the most common causes of this problem…

1. Drive Belt Is Worn

Follow the steps below to replace a worn drive belt in your Bosch washing machine…

Step 1. In order to prevent any chances of electrocution, you need to ensure that your machine is unplugged from the outlet before starting this repair.

Step 2. With a Torx screwdriver, loosen the bolts holding the rear access panel to the cabinet. Lift the panel upwards, then pull it off the machine.

Step 3. If still intact, take the drive belt off the drive pulley and motor pulley, then discard it.

Step 4. Take your new washing machine drive belt out of its packaging. With the grooved side turned inwards, loop the new drive belt around the two pulleys.

Step 5. Snap the rear access cover onto the machine, then use your screwdriver to apply the bolts.

Step 6. Plug your washing machine back into the electrical outlet, then try running a spin cycle to see if the problem has been fixed.

2. Failed Drive Motor

Here are the steps you’ll need to take to replace a failed drive motor in your Bosch washing machine…

Step 1. Unplug your washing machine from the electrical outlet before starting this repair in order to prevent electrocution.

Step 2. With your Torx screwdriver, loosen the bolts securing the rear panel to the cabinet. Pull the panel off the washer, then set it aside.

Step 3. Carefully take the drive belt off the motor pulley and drive pulley. Unplug the electrical connector attached to the motor assembly.

Step 4. Using a socket wrench, loosen the mounting bolts holding the drive motor to the bottom of the tub. Carefully pull the motor out of the cabinet, then discard it.

Step 5. Remove your new washing machine drive motor from its packaging. Mount the new motor assembly at the bottom of the tub, then apply the bolts using your socket wrench.

Step 6. Plug the wire harness into the new motor. Loop the drive belt around the two pulleys.

Step 7. Snap the rear access panel onto the machine, then apply the screws with your Torx screwdriver. Plug the power cord into the outlet and try running a rinse cycle to see if the issue has been fixed.

3. Bearings Are Damaged

To replace damaged bearings in your Bosch washing machine, take the following steps…

Step 1. Turn off your washing machine’s water supply faucet and disconnect the power cord from the outlet before starting this repair in order to prevent water leaks and electrical damage.

Step 2. Using a Torx screwdriver, loosen the bolts at the back of the machine securing the rear access panel. Lift the panel off the cabinet, then set it aside.

Step 3. Remove the drive belt from the motor pulley and drive pulley. Disconnect the wire connector attached to the motor assembly.

Step 4. Use a socket wrench to take out the bolts holding the drive motor to the bottom of the tub assembly. Carefully pull the motor out of the cabinet, then set it aside.

Step 5. Pry the lower front access panel off the machine. Open the door of your washer. Using a flat-blade screwdriver, pry the retaining band off the door gasket (take care not to puncture the seal).

Step 6. Peel the door gasket off the panel. Use your Torx screwdriver to loosen the screws holding the door lock to the front panel.

Step 7. Use your screwdriver to take out the nuts holding the top panel to the cabinet. Slide the top backwards, then lift it off the machine.

Step 8. Pull the detergent tray out, then press the tab to completely release it from the housing.

Step 9. With your Torx screwdriver, loosen the screws holding the control panel to the front of the cabinet.

Step 10. Use a flat-blade screwdriver to pry the control panel off the cabinet. Take note of the positioning of the electrical connectors attached to the control board, then unplug each one.

Step 11. Set the control panel aside. With your Torx screwdriver, loosen the screw at the top and bottom of the control panel. Lift the entire front panel off the cabinet, then set it aside.

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Step 12. Spread a towel on the floor of the cabinet underneath the tub. Use your screwdriver to loosen the screw-clamp holding the sump hose to the tub assembly.

Step 13. Pull the sump hose off the tub. With a 13mm socket wrench, loosen the bolts holding the counter-weights to the top and front of the tub assembly. Lift each weight off the tub, then set aside.

Step 14. Use a pair of pliers to squeeze the clamp on the dispenser hose attached to the top of the tub, then slide it out of place. Pull the hose off the tub, then move the detergent dispenser aside.

Step 15. Use your 13mm socket wrench to loosen the upper mounting bolts holding the shock absorbers to the tub. Pull the shock absorbers off the tub assembly.

Step 16. Note the positioning of the electrical connectors attached to the heating element, then unplug each one.

Step 17. Use a 10mm socket to loosen the bolt holding the heating element. Slide the heater out of the housing, then set it aside.

Step 18. Unhook the two suspension springs at the top of the tub from the cabinet. Lower the tub assembly and guide it out of the machine.

Step 19. Use a flat-blade screwdriver to pry the inner retaining band off the door gasket. Peel the gasket off the tub assembly, then set it aside.

Step 20. With your Torx screwdriver, loosen the screws securing the two halves of the drum together. Take the front half of the tub assembly off, then set it aside.

Step 21. Turn the tub assembly over and use a socket wrench to loosen the bolt holding the drive pulley to the tub. Take the pulley wheel off and set it aside.

Step 22. Turn the tub assembly over and set it on two supports. Lift the inner tub out of the assembly, then set it aside.

Step 23. Using a chisel and a hammer, knock the outer bearing out of the tub (take care not to damage the tub).

Step 24. Turn the tub over, then knock the inner bearing and bearing seal out using the mallet and hammer. Discard the old bearing pieces.

Step 25. Prepare your new bearing kit for installation by removing it from its packaging.

Step 26. Use a cloth to clean the bearing seat. Push the new inner bearing into the tub (if needed, gently knock it into place using a mallet and a block of wood).

Step 27. Push the bearing seal into place right above the inner bearing. Turn the tub over, then push the larger outer bearing into the housing.

Step 28. Turn the tub over again and lower the inner tub into the assembly. Turn the tub upside-down and put the drive pulley onto the shaft. Apply the bolt using a socket wrench.

Step 29. Turn the tub assembly over once more, then put the front half of the outer tub back on. Use your Torx screwdriver to apply all the bolts.

Step 30. Fit the door gasket around the drum, then secure it using the inner retaining band.

Step 31. Guide the tub assembly back into the cabinet. Hook the two suspension springs onto the tub. Lift the tub and hook the springs onto the cabinet.

Step 32. Push the two shock absorbers into the mounts at the bottom of the tub, then apply the bolts using your socket wrench.

Step 33. Slide the heating element back into the housing, then apply the bolt using your socket wrench. Plug each electrical connector into its appropriate terminal.

Step 34. Reconnect the sump hose to the outlet port at the bottom of the tub. Secure the hose by tightening the screw-clamp.

Step 35. Mount the two counter-weights onto the tub assembly, then use your socket wrench to apply the bolts.

Step 36. Mount the motor assembly at the bottom of the tub, then apply the bolts using your socket wrench. Plug the electrical connector into the motor assembly.

Step 37. Loop the drive belt around the two pulley wheels. Snap the rear panel back onto the cabinet, then use your Philips screwdriver to apply the screws.

Step 38. Move the detergent dispenser back into place. Connect the dispenser hose back to the port at the top of the drum, then secure it by sliding the retaining clamp in place.

Step 39. Lift the front panel and snap it on the machine. With your screwdriver, tighten the bolts at the top and bottom of the panel. Snap the lower front access panel onto the machine.

Step 40. Plug each wire harness into its corresponding terminal on the control panel. Mount the panel on the machine, then use your screwdriver to apply the screws.

Step 41. Slide the soap tray back in. Put the top panel on the cabinet, then apply the screws at the back.

Step 42. Open the door of the machine. Push the lock assembly back into place, then use your screwdriver to apply the bolts.

Step 43. Fit the door gasket around the panel. Secure the gasket by fitting the metal wire around it.

Step 44. Turn your machine’s water supply faucet back on, then plug the power cord back into the outlet. To ensure that the issue has been fixed, try running a spin cycle.