Ge Dishwasher Error I20

⚡ Quick Answer: The GE Dishwasher error I20 indicates a drainage issue, often resulting in standing water in the tub or unusual sounds during operation. This error oc... ✅ DIY Fixable

What Does Error I20 Mean?

The GE Dishwasher error I20 indicates a drainage issue, often resulting in standing water in the tub or unusual sounds during operation. This error occurs when the dishwasher fails to drain properly, usually due to a clogged drain system or installation issues such as a kinked hose. Immediate troubleshooting can be performed by cleaning the filter and sump to resolve minor blockages.

Common Symptoms:

  • Water not draining after wash cycle
  • Standing water in tub
  • Dishwasher stops mid‑cycle
  • Code appears during or after drain phase

Possible Causes

  • Clogged drain system (filter, sump, drain hose or air gap) (medium)
  • Installation/physical drain restriction (kinked hose, bad hose routing, disposal plug not removed) (medium)

How to Fix Error I20

DIY Fix Basic Drainage Troubleshooting

  1. Turn off and disconnect power to dishwasher.
  2. Remove bottom rack, access filter and sump.
  3. Clean filter, remove debris from sump.
  4. Check air gap (if installed) and clean.
  5. Visually inspect drain hose for kinks or obvious obstructions.

Technician Only Deep Drain System Inspection & Repair

  1. Disconnect dishwasher from power and water.
  2. Remove and inspect drain hose full length; clear any deeper blockages or replace if damaged.
  3. Check and if necessary replace drain pump or remove debris from impeller.
  4. Verify proper disposal knockout removal if connected to garbage disposal.
  5. Test correct pump operation and drainage with multimeter or flow tests.

Parts needed: Drain hose, Filter/screen assembly, Drain pump

🛑 When to Call a Pro:
  • If cleaning and drain checks do not clear the error
  • If drain pump is making unusual noises or not operating when commanded
  • If repeated clogs or electrical issues persist

Technical Specifications

wattage 60W
component Drain Pump
resistance 10-20 ohms
part_number WD19X25162
voltage_rating 120V AC

Common Questions

What does I20 error mean on GE Dishwasher?

I20 error indicates a drainage malfunction, often resulting in standing water or unusual sounds.

Can I fix GE Dishwasher I20 error myself?

Yes, you can troubleshoot by cleaning the filter and sump, but ensure to disconnect power first.

How much does it cost to fix I20 error?

Repair costs range from $50 to $250, depending on the parts that need replacement.

When should I call a technician for I20?

Call a technician if cleaning doesn't resolve the issue or if the drain pump is noisy.

Sources & References

Data last verified: 2026-01-10

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