Maytag Dishwasher: error code E1 F9

Professional Repair Guide

What is this symptom?

Experiencing the Maytag dishwasher error code E1 F9? This error often indicates drainage issues, leading to halted cycles and failure to drain water. Common causes include a clogged drain hose, a faulty drain pump, or sensor misinterpretation. Addressing this issue promptly can restore your dishwasher's functionality.

Urgency: Medium

Important Tips for Maytag Models

  • E1 F9 error codes in Maytag dishwashers commonly relate to drainage issues, similar to F9 E1 codes. Ensure knockout plug removal and proper drain hose routing above trap height.

Possible Causes

Drainage blockage (clogged drain hose, kinks, or debris)

How to Identify: Standing water after cycle or failure to drain, visible kinks in drain hose, food debris seen when inspecting hose/filters

Part: Drain hose / drain path

Faulty or obstructed drain pump

How to Identify: No sound of water being pumped out during drain phase; manual inspection shows impeller jam or no rotation

Part: Drain pump

Sensor or control board misinterpretation / water supply issue

How to Identify: Error persists after clearing drain, with possible added symptoms like failure to fill or random codes

Part: Flow sensors or control board

DIY Solutions

Clear Drain Hose and Check for Kinks

Moderate 15–30 minutes
Tools Needed: Bucket, Towels, Screwdriver if needed to access hose
  1. Turn off dishwasher power and water supply.
  2. Access the drain hose (usually behind the dishwasher under sink area).
  3. Check for kinks and straighten any bends.
  4. Disconnect hose and flush with water to clear debris.
  5. Reinstall hose and secure connections.
  6. Restore power and run test cycle.
⚠️ Safety First: Ensure power is disconnected before working on hose to prevent electric shock or water damage.

Remove Garbage Disposal Knockout Plug

Moderate 10–20 minutes
Tools Needed: Flathead screwdriver, Hammer
  1. Disconnect power to disposal and dishwasher.
  2. Locate drain hose connection to disposal inlet.
  3. Insert screwdriver to locate plastic knockout plug inside inlet.
  4. Tap screwdriver lightly with hammer to dislodge plug into disposal.
  5. Reach in and remove plastic plug from disposal.
  6. Reconnect hose and restore power.
⚠️ Safety First: Ensure garbage disposal power is off before inserting tools.

Clean Filters and Clear Pump Obstructions

Moderate 20–40 minutes
Tools Needed: Screwdriver, Towels
  1. Power off dishwasher.
  2. Open dishwasher and remove bottom rack to access filter assembly.
  3. Remove and rinse filter under running water, removing trapped debris.
  4. Inspect pump area and remove any visible obstruction.
  5. Reassemble and test dishwasher.
  6. Run a short cycle to confirm resolution.
⚠️ Safety First: Be careful with pump impeller; avoid damaging blades.

Next step

Choose the next step for error code E1 F9

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Drain Hose

Carries waste water from the drain pump to your home's standpipe or sink drain.

Typical part-only price
$15 - $30
DIY difficulty
Easy
Estimated time
15-30 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Drain Pump

Pumps waste water out of the appliance during the drain cycle.

$35 - $80 · Easy · 15-30 mins

Check fit & price
Possible related component

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

$120 - $280 · Medium · 20-40 mins

Check fit & price
Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Drain Pump Replacement

Estimated Cost: $60 - $180

Control Board Diagnosis/Replacement

Estimated Cost: $150 - $350

When to Call a Professional

Error persists after clearing all blockages and performing basic DIY troubleshooting
Drain pump replacement suspected or required
Electrical or control board faults suspected

Preventive Maintenance

  • Clean dishwasher filter: Clogs and drainage blockages leading to E1 F9 errors
    Frequency: Monthly
  • Inspect drain hose and installation: Drainage errors due to kinks, clogs, or improper installation
    Frequency: Annually

Frequently Asked Questions

Why is my Maytag Dishwasher error code E1 F9?
This error typically indicates drainage issues, often due to a clogged drain hose or a faulty drain pump.
How do I fix Maytag Dishwasher error code E1 F9 myself?
You can check the drain hose for kinks, remove the garbage disposal knockout plug, and clean filters to resolve the issue.
How much does it cost to fix error code E1 F9?
Professional repairs range from $60 to $180 for a drain pump replacement and $150 to $350 for control board issues.
When should I call a technician for error code E1 F9?
If DIY solutions don’t resolve the issue or if the problem persists, it’s best to call a technician due to its complexity.

References & Sources

Community Analytical Insights

Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions

Common Issues Reported by Users

  • Clogged drain hose or filter
  • Faulty drain pump
  • Improper installation of the garbage disposal

User Suggested Solutions

  1. Check and clear the drain hose and filter. Disconnect the dishwasher from power, remove the drain hose, and inspect for clogs. Clean the filter located at the bottom of the dishwasher. Reassemble and test.

  2. Test the drain pump for functionality. Remove the lower spray arm and access the drain pump. Check for blockages and test the pump with a multimeter. Replace if defective.

  3. Ensure proper installation of the garbage disposal. Check that the dishwasher drain is correctly connected and that the knockout plug has been removed if applicable. Reconnect if necessary.

Limited-source guidance; percentages and success-rate claims are not shown
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. Maytag dishwasher and new garbage disposal

Community Discussions

E1 F9 error

Knocked out the plug for the dishwasher drain in the new garbage disposal.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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