Electrolux Dryer Error E21

How to Fix E21 Error (Step-by-Step) Disconnect the dryer from the power source completely and confirm the error stays cleared during a full test cycle.Access the main control board. This is typically located behind the main control panel or on a side panel.Carefully label and disconnect all wire harnesses attached to the old control board (Part 134994700).Remove the screws or clips holding the control board in place and gently remove it.Install the new control board, ensuring it is securely mounted.Reconnect all wire harnesses to their correct terminals on the new board.Reassemble the dryer panels and plug it back in to test.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Electrolux Dryer Focused repair path: dryer airflow, heating, motor, sensor, and control checks. Do not treat the fault as reset-only if it keeps returning; use the failed function to choose the next test. Disconnect power before opening panels, then confirm whether the Electrolux dryer repeats the same code after a clean reset. Match the symptom to the part of the cycle or function that fails: fill, drain, heat, cool, spin, latch, ignite, fan, sensor, or control response. Inspect simple causes first: airflow, water supply, drain path, door closure, filter, venting, wiring connectors, and visible damage. Use meter testing or service diagnostics before replacing electronic controls, because wiring, switches, sensors, and loads can mimic board failure. Use the complete Electrolux dryer model number from the appliance tag before ordering any model-specific part. Check, inspect, clean, test, measure, remove, reconnect, clear, and replace parts only when the symptom supports that path. If these checks point toward a part, verify the complete Electrolux model number from the appliance tag before ordering. &tag=appliancefixg-20Verified Compatible Alternatives:134994700137108100137221600