
Bosch dishwasher error code E21 If your Bosch dishwasher shows the E21 Error code on its control panel, this means that there are some issues with the pump and your appliance can’t drain the water after the cycle is finished. The appearance of this code is usually accompanied by the termination of the cycle.
What does E21 mean on a Bosch dishwasher?
Bosch dishwasher e21 error code. Having seen the e21 error code, we can confidently say that there are problems with the pump, although the type of the failure can be different. The E21 error, having appeared on the display of the Bosch dishwasher, immediately paralyzes all the processes.
What does error code E21 mean on a Kenmore washing machine?
Hello, error E21 can indicate a fault with the motor or the main control board. Try erasing the stored codes first, in case it's a spurious fault, as follows:
What does E2 mean on a Bosch washing machine?
Bosch washing machine E2 error indicates that the washing machine has detected no rotation of the motor when it should be running, this is a common Bosch washing machine error codes on a older machine where the motor brushes have worn out.
What does error E23 mean on Bosch dishwasher?
It happens that first appears error E23 in the Bosch dishwasher, then this error begins to alternate with the E21 code (after reboot). This behavior of the dishwasher once again confirms the formation of a blockage close to the pump, but we will talk about this in the next paragraph.
Why is my pump E21?
Can you put a reanimated pump in a dishwasher?
Can you change the impeller on a Bosch dishwasher?
Can you clean a clogged pump without disassembling the washer?

How do I fix my Bosch E21 error?
Circulation Pump BlockedRemove any excess water before removing the base of the machine to release the pump.Check and remove any blockages preventing the circulation pump from turning and Replace if any damage is found.
How do you clear the error code on a Bosch washing machine?
1:073:12Clearing Washing Machine Error Codes Bosch, Neff, Siemens F18 ...YouTubeStart of suggested clipEnd of suggested clipUp press and hold the spin. Button while turning it to the spin. Position for five seconds releaseMoreUp press and hold the spin. Button while turning it to the spin. Position for five seconds release the button turn it to the off. Position. It should have cleared the ever code.
How do I fix error code E21 Bush washing machine?
0:031:33How To Fix An E20 or E21 Error On An AEG Washing Machine or DryerYouTubeStart of suggested clipEnd of suggested clipGive the filter a clean and rinse if necessary. Then use a pen or similar to ensure the pumpMoreGive the filter a clean and rinse if necessary. Then use a pen or similar to ensure the pump impeller is not jammed.
How do you force a Bosch washing machine to drain?
Drain Water Manually If NeededTurn off the washer's water tap or valve.Unplug the washer.Open and remove the service flap on the bottom right corner of the washer.Unfasten the black drainage hose.Place a shallow container under the hose to capture draining water.More items...•
What are the error codes for a Bosch washing machine?
Bosch WAE Washing Machines Error Code 1: There is a problem with the door locking and there could be a problem with the mechanism. Error Code 2: The machine is not draining quickly enough. Error Code 3: Your machine isn't filling up with water properly. Error Code 4: There is a fault with the motor that needs repair.
How do you reset a Bosch machine?
0:001:59How To Reset Every Bosch Model And Fix E43 Error - YouTubeYouTubeStart of suggested clipEnd of suggested clipHello guys today i'm going to show you how to fix error e43 on bosch let's check this out. So allMoreHello guys today i'm going to show you how to fix error e43 on bosch let's check this out. So all you have to do is just make a circle. And then go to the half. And when you start blinking press the
What does code E21 mean?
Error code E21 signifies a memory parity failure and is one of more frequently seen error codes on Series One and Series One Junior PLCs. This error is displayed when the program data stored in RAM has become corrupt and is no longer valid.
How do you unblock a washing machine pump?
0:301:51How to Unblock the Pump on a Washing Machine - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe bottom panel grab a towel. Put a bowl down just to catch any water coming out the filter slowlyMoreThe bottom panel grab a towel. Put a bowl down just to catch any water coming out the filter slowly undo the fuel ticker cap. Take the blockage.
Where is the drain pump on a washing machine?
The drain pump is located at the bottom of your washing machine, but can be easily accessed in order to replace it if need be. If your washing machine is failing to drain during a wash cycle, it could be that there is a problem with the drain pump.
What do you do when your Bosch washing machine won't drain?
What to do if washing machines does not drain the water?Check and clean your pump.Check the drainage whether it is kinked or blocked by foreign.Call a service professional for help.
Why is my Bosch washing machine not draining water?
A Bosch washer not draining properly is often due to a drain hose obstruction. The drain hose transports water as it flows through the drain pump to the sink or standpipe. Blockages are often due to kinks in the hose or clogs formed by lint, debris or foreign objects that restrict water flow.
What to do if the washing machine is not draining?
What to Do When Your Washing Machine Won't DrainPerform a Master Reset. Unplug your washer for about one minute. ... Test the Lid Switch Assembly. ... See if the Drain Hose is Kinked. ... Check the Drain Hose or Pump for Clogs. ... Clean out the Coin Trap. ... Check the Water Level Control. ... Schedule Washing Machine Repair.
How do I reset my washing machine?
1:243:47Washer Not Spinning - How to Reset Motor (Easy) - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe power supply yikes brand is really in there unplug the power supply for about a minute. AfterMoreThe power supply yikes brand is really in there unplug the power supply for about a minute. After you waited for a minute or two you can go ahead and plug the power back in.
How do you reset a Bosch Series 4 washing machine?
How to Reset a Bosch WasherTurn the cycle selector to the "Off" position.Turn the cycle selector to a new cycle. A light will begin to flash.Press the "Start/Pause" button to begin the new cycle.
How do I reset my Bosch E23?
To reset the modern Bosch dishwasher, press and hold the start button for about 3 to 5 seconds. On some older Bosch models, the reset feature may be called “cancel” or “drain”.
How do you reset a Bosch series 6 washing machine?
0:000:59Bosch Classixx 6: How to clear error code WAE24167 UK47 Varioperfect ...YouTubeStart of suggested clipEnd of suggested clipPress this spin button and hold it turn this to the 7 p.m setting. Hold it for another five. SecondsMorePress this spin button and hold it turn this to the 7 p.m setting. Hold it for another five. Seconds then let go lights have changed we get an aquaplus light there.
What does E1 mean on a Bosch washing machine?
Bosch washing machine E1 error indicates that the temperature of the water was not reached with in a set time. The cycle will continue without heating. Most common reason for E1 error on Bosch washing machine is a faulty heating element. Measure the resistance of the heating element first, it should be between 38-46 ohm. Then measure the resistance of the temperature sensor, it should be around 5.5k ohm at 20 degrees celsius and around 1.2k ohm at 60 degrees celsius. If the heater and temperature sensor have checked out ok, inspect the wiring harness for broken wires. If wiring harness is also ok, it will be the main control board that is responsible for the Bosch washing machine E1 error.
What does E3 mean on a Bosch washer?
Bosch washing machine E3 error code indicates that the machine has detected that the door is not closed and can not start a cycle. If the door is shut and E3 error still keeps appearing that means the machine is not able to lock the door to start a cycle. In most cases it’s a failed door lock that causes the Bosch washing machine E3 error. Check out this video how to replace the door lock in Bosch washing machine.
What is the communication fault on a Bosch washing machine?
This is a another hard Bosch washing machine error codes to diagnose because it is not possible to test the modules them selves.
Why is my Bosch washing machine not draining water?
To reduce the occurrence of this fault it’s best to check the pockets of your washing. Very often coins, bobby pins or keys are very forgotten about. Most common reason Bosch washing machine E18 error is caused by a clogged drain pump filter, make sure you check this first. If the filter is clean, make sure that the pump impeller spins freely. Check drain hoses for blockages. If this all fails to resolve the E18 error, replace the drain pump.
Why is my Bosch washing machine E4?
Bosch washing machine E4 error indicates heating is taking place at a stage of the program where it should not. Most likely caused by a stuck heater relay or faulty temperature sensor giving false reading.
What to do if water emptied and machine still displays error E18?
If water emptied and machine still displays error E18, check pressure tube for blockages and replace pressure switch if no blockages are found.
What happens when a machine detects a functionality fault that can't be diagnosed?
Machine detected a functionality fault that can not be diagnosed, machine will stop.
What does E21 mean on Bosch dishwasher?
If your Bosch dishwasher shows the E21 Error code on its control panel, this means that there are some issues with the pump and your appliance can’t drain the water after the cycle is finished. The appearance of this code is usually accompanied by the termination of the cycle.
How to fix E21 error?
As usual, the first thing to do when you see an error code is rebooting your appliance in order to exclude the system glitch from the list of possible reasons for the E21 Error. Turn your device off and disconnect it from the main power for 10-15 minutes. After the machine got some rest, switch it back on and check whether the code is still indicated on the panel. If it is, start inspecting the inner parts of your device.
What can cause the E21 Error?
If you see the E21 Error code, then your machine’s brain (main unit) does get a signal that the pump is not working how it has to. And there might be several causes for it.
How to get to E21 pump?
To get to the pump you will have to detach the drain filter first, and the cause for the E21 Error can be in its blockage. So after you unplug your machine, open the door and take all the trays and baskets. Unscrew the drain filter and rinse it thoroughly. When you detach the filter, you can get access to the pump’s impeller.
How to check if a pump is out of order?
After all the wires are disconnected, turn the pump counter-clockwise and pull it out. To examine it, you will need a multimeter. Also, check the pump for all the visible signs of damage. In case it is out of order, it has to be replaced by the new one.
Why is my pump E21?
Repair specialists note the lack of grease in modern pumps, or rather in its rotors. Poorly greased rotor begins to wedge and rotate badly after a while, which in turn causes the E21 error .
Can you put a reanimated pump in a dishwasher?
Now you can put the “reanimated” pump in place and collect the dishwasher to check it in operation.
Can you change the impeller on a Bosch dishwasher?
The impeller located on the pumps of the Bosch dishwashers is removable. So it is quite possible to change it. Sometimes the impeller blades are not affected at all, but they are wrapped with a whole skein of some threads and hair mixed with compressed food remnants.
Can you clean a clogged pump without disassembling the washer?
Pump clogging. Let’s start with the blockages located next to the pump or inside the detail. Unfortunately, it’s impossible to get to the pump clog without disassembling the washer, but you can try cleaning the dustbin and then restart the kitchen appliance.

Why Does The Code appear?
Pump Clogging
- Let’s start with the blockages located next to the pump or inside the detail. Unfortunately, it’s impossible to get to the pump clog without disassembling the washer, but you can try cleaning the dustbin and then restart the kitchen appliance. It is quite possible that water, passing through a clean filter once again, will penetrate the more difficult clog. If this does not happen, you need …
Impeller Malfunctions
- After removing the pump, you can see that the impeller is very worn out and cannot perform its function. This is one of the most noticeable breakages because a broken impeller can be easily recognized due to its damaged blades. The impeller located on the pumps of the Bosch dishwashers is removable. So it is quite possible to change it. Sometimes the impeller blades ar…
Rotor Jamming
- Repair specialists note the lack of grease in modern pumps, or rather in its rotors. Poorly greased rotor begins to wedge and rotate badly after a while, which in turn causes the E21 error. How to eliminate this breakdown? 1. Purchase special rotary grease for electric pumps. 2. Remove the impeller from the pump. 3. Grease the rotor according to the instructions, which are on the tube …