Category: Bosch

How to Fix Bosch Dryer Error F57
Error Code: F57 Difficulty: Hard

Problem: Communication fault between the power boards or an inverter failure.

How to Fix F57 Error (Step-by-Step)
1. Disconnect the dryer from the power outlet completely. This is a critical safety step.
2. Remove the top panel of the dryer by unscrewing the screws at the back. Slide the panel backward and lift it off.
3. Locate the inverter power module. It is typically a circuit board in a plastic housing, mounted to the base or side panel of the dryer’s interior.
4. Take a clear photo of all the wire connections on the old inverter module to use as a reference. Carefully disconnect all wire harnesses attached to the board. Most have small locking tabs that need to be pressed to release the connector.
5. Unscrew or unclip the old inverter module from its mounting bracket and remove it from the dryer.
6. Install the new inverter module (part 00641857) into the same position, securing it with the original screws or clips.
7. Using your photo as a guide, reconnect all wire harnesses to the correct terminals on the new board until they click securely into place. Reassemble the dryer panels, plug it back in, and run a test cycle.
8. Turn the appliance off, wait about 2 minutes, then turn it back on.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.

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
May 10, 2026
How to Fix Bosch Dryer Error F40
Error Code: F40 Difficulty: Hard

Problem: Communication error between the machine control and motor control.

How to Fix F40 Error (Step-by-Step)
1. UNPLUG THE DRYER. Turn off the corresponding circuit breaker for complete safety before beginning any work.
2. Remove the top panel of the dryer by unscrewing the screws at the back or sides, then sliding the panel off. This will give you access to the main control board.
3. Locate the main control board (power module), typically housed in a plastic case near the front of the dryer, and the motor control board, usually located at the bottom of the dryer near the motor.
4. Carefully inspect the wiring harness that runs between these two boards. Look for any signs of damage, such as pinched, broken, or burnt wires. Ensure the connectors at both ends are securely plugged in.
5. Disconnect and then firmly reconnect the main wiring harness plugs on both the main control board and the motor control board. Sometimes a loose connection is all that’s wrong.
6. If the connections are secure and undamaged, the main control board (power module) has likely failed and needs to be replaced. Carefully label and disconnect all wire harnesses from the old board, remove its mounting screws, and install the new board in its place.
7. Reconnect all wiring harnesses to the new control board, reassemble the dryer by securing the top panel, and plug the dryer back in to test its operation.
8. Turn the appliance off, wait about 2 minutes, then turn it back on.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.

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
May 9, 2026
How to Fix Bosch Dryer Error F27
Error Code: F27 Difficulty: Hard

Problem: Faulty pressure sensor.

How to Fix F27 Error (Step-by-Step)
1. Unplug the dryer from the wall outlet to ensure your safety.
2. Remove the screws from the back of the dryer that hold the top panel in place. Slide the top panel backward and lift it off to access the internal components.
3. Locate the pressure sensor. It is a small plastic part, often circular or rectangular, with a thin rubber tube and a wiring harness connected to it, usually mounted on the inside wall of the dryer cabinet.
4. Carefully disconnect the wire connector from the sensor by pressing the release tab and pulling it straight out. Gently twist and pull the thin rubber hose off of the sensor’s port.
5. The sensor is typically mounted with a single screw or a locking tab. Remove the screw or depress the tab to release the old sensor from its mounting bracket.
6. Position the new pressure sensor onto the mounting bracket and secure it with the screw or by snapping it into place. Firmly reattach the rubber hose and plug the electrical connector back in until it clicks.
7. Reinstall the top panel and secure it with the screws. Plug the dryer back in and run a cycle to confirm the error is resolved.
8. Turn the appliance off, wait about 2 minutes, then turn it back on.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.

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
May 9, 2026
How to Fix Bosch Dryer Error F26
Error Code: F26 Difficulty: Hard

Problem: Analogue pressure sensor issue.

How to Fix F26 Error (Step-by-Step)
1. Disconnect the dryer from the power source by unplugging it from the wall outlet to ensure safety.
2. Remove the top panel of the dryer. This is typically secured by screws at the back or sides of the appliance.
3. Locate the analogue pressure sensor. It is a small component, usually mounted near the bottom or side of the dryer, with a thin hose and an electrical connector attached.
4. Carefully disconnect the electrical wiring harness from the old sensor by pressing the locking tab and pulling the connector straight off.
5. Disconnect the thin rubber or plastic hose from the sensor. Be gentle to avoid damaging the hose.
6. Remove the old sensor from its mounting bracket. It may be held in place by a screw or a clip.
7. Install the new pressure sensor by securing it to the mounting bracket, reattaching the hose, and plugging in the electrical connector until it clicks into place.
8. Reassemble the dryer by securing the top panel, then plug the dryer back in and run a test cycle.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.

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
May 9, 2026
How to Fix Bosch Dryer Error F22
Error Code: F22 Difficulty: Moderate

Problem: Open outlet thermistor or an issue with the temperature sensor.

How to Fix F22 Error (Step-by-Step)
1. Disconnect the dryer from the power source by unplugging it from the wall outlet. This is a critical safety step.
2. Remove the lower front access panel. You will typically find two screws at the very bottom edge of the panel. Remove them and tilt the panel out to unhook it from the top.
3. Locate the blower housing, which is the large plastic assembly the lint filter slides into. The outlet thermistor is a small sensor mounted directly on this housing, with two wires leading to it.
4. Unplug the wire connector from the thermistor. Squeeze the small plastic tab on the connector to release it and pull it straight off.
5. Remove the single mounting screw that holds the old thermistor to the blower housing.
6. Install the new thermistor (Part #00422221 or #10010119), secure it with the screw you just removed, and firmly reconnect the wire connector until it clicks.
7. Reinstall the lower front access panel, secure it with the screws, plug the dryer back in, and run a cycle to confirm the F22 error is gone.
8. Turn the appliance off, wait about 2 minutes, then turn it back on.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.

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
May 9, 2026
How to Fix Bosch Dryer Error F21
Error Code: F21 Difficulty: Hard

Problem: Motor-related fault, often due to a malfunctioning tachogenerator.

How to Fix F21 Error (Step-by-Step)
1. Unplug the dryer from the wall outlet to ensure your safety.
2. Remove the top panel of the dryer, usually held by screws at the back.
3. Take off the control panel and front panels to access the dryer’s internal components. Keep all screws organized.
4. Carefully lift and remove the dryer drum to expose the motor assembly at the bottom rear of the machine.
5. Locate the tachogenerator (a small component with wires) on the end of the motor. Disconnect its wiring harness and remove the screws holding it in place.
6. Install the new tachogenerator, ensuring it is securely screwed in and the wiring harness is reconnected properly.
7. Reassemble the dryer by reinstalling the drum, front panels, control panel, and top panel in the reverse order you removed them.
8. Plug the dryer back in and run a test cycle to confirm the F21 error is cleared.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.

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
May 9, 2026
How to Fix Bosch Dryer Error F04
Error Code: F04 Difficulty: Hard

Problem: The machine has been unable to pump out water, likely due to a blockage.

How to Fix F04 Error (Step-by-Step)
1. Unplug the dryer from the electrical outlet to ensure your safety.
2. Locate the drain pump, which is typically found behind the lower front access panel. You may need to remove a few screws to take off the panel.
3. Place a shallow pan and a towel under the pump’s hoses to catch any water that will spill out.
4. Squeeze the clamps on the hoses connected to the pump and slide them back, then carefully pull the hoses off the pump.
5. Disconnect the electrical wire harness attached to the pump. Then, unfasten the screws or release the tabs holding the pump in place and remove it.
6. Install the new drain pump by securing it in the same position as the old one. Reconnect the electrical harness and the hoses, ensuring the hose clamps are secure.
7. Reattach the lower access panel, plug the dryer back in, and run a test cycle to check for proper drainage and any leaks.
8. Turn the appliance off, wait about 2 minutes, then turn it back on.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.

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
May 9, 2026
How to Fix Bosch Dryer Error END
Error Code: END Difficulty: Easy

Problem: The current program has finished.

How to Fix END Error (Step-by-Step)
1. This message indicates the drying program has successfully completed and confirm the error stays cleared during a full test cycle.
2. Open the dryer door to access your laundry and confirm the error stays cleared during a full test cycle.
3. Carefully remove the dry clothes from the drum and confirm the error stays cleared during a full test cycle.
4. Before starting a new load, locate and pull out the lint filter.
5. Clean all lint off the filter screen with your fingers or a soft brush.
6. Re-insert the clean lint filter, and the dryer is ready for its next use.
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
May 9, 2026
How to Fix Bosch Dryer Error EMPTY RESERVOIR
Error Code: EMPTY RESERVOIR Difficulty: Easy

Problem: The condensation water container is full and needs to be emptied.

How to Fix EMPTY RESERVOIR Error (Step-by-Step)
1. Pause the current drying cycle and confirm the error stays cleared during a full test cycle.
2. Locate the condensation water container, which is usually at the top left of the dryer.
3. Firmly grip the handle and pull the container straight out of the dryer.
4. Carry the container to a sink and carefully empty all the water.
5. Slide the empty container back into its slot until you feel it click securely into place.
6. Press the start button to resume the drying cycle 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
May 9, 2026
How to Fix Bosch Dryer Error E93
Error Code: E93 Difficulty: Easy

Problem: Water pressure is too low or no water is available.

How to Fix E93 Error (Step-by-Step)
1. First, check that the main water supply to your home is turned on and has adequate pressure.
2. Locate the water inlet hose on the back of the dryer.
3. Ensure the hose is not bent, kinked, or crushed, which would block water flow.
4. Turn off the water supply to the dryer and unscrew the hose from the appliance.
5. Check the small filter screen inside the water inlet connection for any sediment or debris and clean it thoroughly.
6. Reconnect the hose, turn the water supply back on, and start a new 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
May 9, 2026