Category: Bosch

Error Code: CLN Difficulty: Easy

Problem: The heat exchanger is undergoing an automatic self-cleaning cycle.

How to Fix CLN Error (Step-by-Step)

1. This symbol indicates that the dryer’s automatic self-cleaning cycle for the heat exchanger is active.
2. No action is required from you. This is a normal maintenance function.
3. The cleaning process will run automatically during the drying cycle.
4. Do not interrupt the drying cycle or turn off the power while this is in progress.
5. The ‘CLN’ indicator will disappear once the self-cleaning process is complete.
6. You can continue to use your dryer as normal and confirm the error stays cleared during a full test cycle.
7. Turn the appliance off, wait about 2 minutes, then turn it back on.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Bosch error codes: Bosch Error Codes

Error Code: CLEAN FILTER SYMBOL Difficulty: Easy

Problem: The lint filter needs to be cleaned.

How to Fix CLEAN FILTER SYMBOL Error (Step-by-Step)

1. Open the dryer door and locate the lint filter, which is usually just inside the opening.
2. Pull the lint filter straight up and out of its housing.
3. Open the filter screen and use your fingers to peel off the layer of lint.
4. For a more thorough cleaning, you can wash the filter with warm, soapy water and a soft brush.
5. Ensure the filter is completely dry before reinserting it and confirm the error stays cleared during a full test cycle.
6. Slide the clean, dry filter back into its housing until it clicks firmly into place.
7. It is important to do this after every load to ensure proper airflow and drying efficiency.
8. Turn the appliance off, wait about 2 minutes, then turn it back on.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Bosch error codes: Bosch Error Codes

Error Code: ANTI-CREASE SYMBOL Difficulty: Easy

Problem: The anti-crease function is activated.

How to Fix ANTI-CREASE SYMBOL Error (Step-by-Step)

1. Do not be alarmed, this is a normal function of your dryer.
2. The Anti-Crease cycle tumbles the clothes periodically without heat after the main drying cycle is complete.
3. This feature prevents deep wrinkles from setting in if you cannot unload the laundry immediately.
4. To stop the Anti-Crease function, simply open the dryer door.
5. You can also turn the program selector dial to the ‘Off’ position.
6. Unload your laundry as you normally would and confirm the error stays cleared during a full test cycle.
7. Turn the appliance off, wait about 2 minutes, then turn it back on.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Bosch error codes: Bosch Error Codes

Error Code: E27 Difficulty: Moderate

Problem: Control module failure; Fault with the dryer’s electronic components

How to Fix E27 Error (Step-by-Step)

1. Turn the dryer off, unplug it from the power source, wait for a few minutes, and then plug it back in to reset the electronics.
2. If the error persists after a power cycle, professional service is required to diagnose and replace the control module.
3. Turn the appliance off, wait about 2 minutes, then turn it back on.
4. Check for simple blockages (lint screen, drain path, or filter) and clean anything you find.
5. Make sure all doors, lids, and hoses are fully closed and seated correctly.
6. Run a short test cycle to see if the error clears.
7. Stop the cycle if the same error comes back right away, and avoid repeated restarts.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Error Code: E26 Difficulty: Moderate

Problem: Control module failure; Fault with the dryer’s electronic components

How to Fix E26 Error (Step-by-Step)

1. Turn the dryer off, unplug it from the power source, wait for a few minutes, and then plug it back in to reset the electronics.
2. If the error persists after a power cycle, professional service is required to diagnose and replace the control module.
3. Turn the appliance off, wait about 2 minutes, then turn it back on.
4. Check for simple blockages (lint screen, drain path, or filter) and clean anything you find.
5. Make sure all doors, lids, and hoses are fully closed and seated correctly.
6. Run a short test cycle to see if the error clears.
7. Stop the cycle if the same error comes back right away, and avoid repeated restarts.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Error Code: E25 Difficulty: Moderate

Problem: Control module failure; Fault with the dryer’s electronic components

How to Fix E25 Error (Step-by-Step)

1. Turn the dryer off, unplug it from the power source, wait for a few minutes, and then plug it back in to reset the electronics.
2. If the error persists after a power cycle, professional service is required to diagnose and replace the control module.
3. Turn the appliance off, wait about 2 minutes, then turn it back on.
4. Check for simple blockages (lint screen, drain path, or filter) and clean anything you find.
5. Make sure all doors, lids, and hoses are fully closed and seated correctly.
6. Run a short test cycle to see if the error clears.
7. Stop the cycle if the same error comes back right away, and avoid repeated restarts.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Error Code: E23 Difficulty: Moderate

Problem: Control module failure; Fault with the dryer’s electronic components

How to Fix E23 Error (Step-by-Step)

1. Turn the dryer off, unplug it from the power source, wait for a few minutes, and then plug it back in to reset the electronics.
2. If the error persists after a power cycle, professional service is required to diagnose and replace the control module.
3. Turn the appliance off, wait about 2 minutes, then turn it back on.
4. Check for simple blockages (lint screen, drain path, or filter) and clean anything you find.
5. Make sure all doors, lids, and hoses are fully closed and seated correctly.
6. Run a short test cycle to see if the error clears.
7. Stop the cycle if the same error comes back right away, and avoid repeated restarts.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Error Code: E21 Difficulty: Moderate

Problem: Control module failure; Fault with the dryer’s electronic components

How to Fix E21 Error (Step-by-Step)

1. Turn the dryer off, unplug it from the power source, wait for a few minutes, and then plug it back in to reset the electronics.
2. If the error persists after a power cycle, professional service is required to diagnose and replace the control module.
3. Turn the appliance off, wait about 2 minutes, then turn it back on.
4. Check for simple blockages (lint screen, drain path, or filter) and clean anything you find.
5. Make sure all doors, lids, and hoses are fully closed and seated correctly.
6. Run a short test cycle to see if the error clears.
7. Stop the cycle if the same error comes back right away, and avoid repeated restarts.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.