Speed Queen Stack Washer/Dryer Error E20

DIY Fix Check Basic Drainage Components

1. Power off and unplug the unit.
2. Inspect the washer’s drain hose for kinks, twists, or blockages.
3. Check any accessible pump filter or trap (if present) for debris.
4. Ensure that the drain line is not clogged or restricted.

Technician Only Perform Detailed Drain System Diagnosis

1. Remove access panels as needed to inspect internal drain pump and hoses.
2. Check for obstructions, debris, or foreign objects in the drain system.
3. Test drain pump operation and continuity with appropriate tools.
4. Inspect wiring and connectors to the drain components for faults.

Parts needed: Drain pump assembly, Drain hose, Associated gaskets and clamps