Electrolux Dryer Error Code 0x21

Error code 0x21 on an Electrolux dryer signals a Condense Pump Error. The control board has detected a fault in the condense pump circuit, which can be caused by defective wiring, a failed pump, or a faulty main control board. The dryer stops operation when this error appears to prevent potential water overflow inside the appliance.

It is not recommended to continue operating the dryer while error 0x21 is active. The condense pump moves water collected during the drying process, and if the pump is not functioning, water can accumulate and overflow inside the unit. Running the dryer in this condition risks water damage to internal components.

A power reset may temporarily clear the error code, but if the underlying fault in the pump circuit has not been corrected, the code will return once the dryer attempts to run the condense pump again. Resetting alone is not a fix and should only be used as part of the diagnostic process after correcting any identified wiring or component faults.

Start by unplugging the dryer and inspecting all wiring connectors associated with the condense pump, ensuring each is fully and firmly seated with no corroded or damaged terminals. If connectors are secure, check the wiring harness for any visible damage such as pinching or chafing. If the wiring checks out, the pump itself should be tested for correct resistance and continuity, and replaced if it has failed. A main control board replacement should only be considered after the pump and wiring have been ruled out.

Repair costs vary depending on the root cause. If the issue is simply a loose connector, there may be no parts cost involved. A replacement condense pump typically ranges from $30 to $90 in parts, while a new main control board can range from $100 to $250 or more. Adding professional labor charges will increase the total cost depending on your location and the technician's rates.