Maytag Error Code F21 — Slow drain (>8 min)

Service Guy AI • Washer • Low severity • Basic skill • ~45 min repair

What Does Maytag Error Code F21 Mean?

Slow drain (>8 min). Fix rate: 94%

This is a low-severity notification. The machine will keep operating, but the underlying condition will worsen if ignored.

Possible Causes (4)

Maytag engineers identify the following root causes for fault code F21. Work through them in the order shown — they are listed from most common to least common.

1. Clogged drain pump filter
2. Kinked or blocked drain hose
3. Faulty drain pump motor
4. Debris in drain line

Step-by-Step Troubleshooting (7 steps)

Follow this sequence to diagnose and clear Maytag error code F21. Power down and unplug the machine before any internal inspection.

1. 1. Disconnect power and verify zero voltage before servicing
2. 2. Note the exact error code display and any flashing patterns
3. 3. Check drain hose for kinks or blockages
4. 4. Inspect drain pump filter for debris
5. 5. Test drain pump motor with multimeter
6. 6. Replace faulty component and test operation
7. 7. Clear error code and run test cycle

Required Parts

Have these Maytag OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.

• Drain pump filter
• Drain pump motor

Diagnostic Test Mode

Enter Maytag diagnostic test mode: Press 'Soil + Spin' 3 times fast

Skill Level & Repair Time

This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 45 minutes of active repair time once parts are on hand.

Get AI-Powered Diagnosis

If the steps above don't resolve Maytag F21, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact Maytag model number, including supplier links for required parts and on-call technician escalation.

Other Maytag Error Codes