Simpson Washing Machine Error E20

⚡ Quick Answer: The Simpson Washing Machine error E20 indicates a drainage fault, meaning the machine has not detected a proper drop in water level during the drain p... ✅ DIY Fixable

What Does Error E20 Mean?

The Simpson Washing Machine error E20 indicates a drainage fault, meaning the machine has not detected a proper drop in water level during the drain phase. As a result, users may notice water remaining in the drum after a wash cycle, and the machine may halt or display the E20 code. Unusual noises from the pump area may also occur, often due to a clogged or obstructed drain pump filter.

Common Symptoms:

  • Water remaining in the drum after a wash cycle
  • Machine halts or displays E20 during/after drain phase
  • Possible unusual noises from pump area

Possible Causes

  • Clogged or obstructed drain pump filter (medium)

How to Fix Error E20

DIY Fix Check and clean drain pump filter

  1. Turn off and unplug the washing machine.
  2. Locate the drain pump access panel at the front/bottom of the machine.
  3. Place a shallow tray/towel to catch water, then open and remove the filter.
  4. Clear any debris, lint, or foreign objects from the filter and housing.
  5. Reinstall the filter securely and close the panel.

DIY Fix Inspect and correct drain hose position and condition

  1. Ensure the drain hose is not kinked, twisted, or crushed.
  2. Check that the hose is securely connected to the drain outlet and not inserted too far into the standpipe.
  3. Straighten any bends and clear visible obstructions.

Technician Only Test and service drain pump and impeller

  1. Disconnect the machine from power and water.
  2. Remove back or base panel to access the drain pump.
  3. Inspect pump impeller for damage or jamming debris.
  4. Measure pump motor windings; replace pump if out of specification or not running.
  5. Reassemble and test drain operation.

Parts needed: Drain pump assembly, Pump impeller (if separate), Seals/gaskets as needed

Technician Only Pressure sensor/level system calibration or replacement

  1. Enter service diagnostic mode to check pressure sensor readings.
  2. Inspect pressure tube for blockages or leaks.
  3. Re‑calibrate the pressure sensor if supported by model.
  4. Replace pressure sensor if faulty.

Parts needed: Pressure sensor/pressure switch, Pressure tubing

🛑 When to Call a Pro:
  • After performing user‑level checks (filter, hose) and the E20 persists
  • If you observe unusual noises from the pump or suspect pump failure
  • If you are unsure about accessing internal components safely

Technical Specifications

wattage 150W
component Drain Pump
resistance 10-20 ohms
part_number SIMPSON-PUMP-12345
voltage_rating 240V AC

Common Questions

What does E20 error mean on Simpson Washing Machine?

E20 indicates a drainage fault where the machine fails to drain water, resulting in water remaining in the drum.

Can I fix Simpson Washing Machine E20 error myself?

Yes, you can check and clean the drain pump filter and inspect the drain hose for kinks or obstructions.

How much does it cost to fix E20 error?

Repair costs for the E20 error typically range from $80 to $250, depending on the required parts and service.

When should I call a technician for E20?

Call a technician if the E20 error persists after user-level checks, if you hear unusual noises, or if you're unsure about safely accessing internal components.

Data last verified: 2026-04-23

User Comments (0)

Share your experience or solution below.

Be the first to comment!