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Maytag Washing Machine Error Code F28

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: July 19, 2026
⚠ High Severity 🔧🔧🔧 Advanced DIY

Serial communication error — control boards not communicating

The most common cause of the F28 error on a Maytag washing machine is wiring/connector between control boards loose or damaged (~50% of cases); start with: power cycle.

💰 DIY cost: $100–$300 👨‍🔧 Pro cost: $250–$520 Save $150+ by doing it yourself
Maytag Washing Machine error code F28 on the display panel
How the F28 code appears on a Maytag washing machine display

What Does Error Code F28 Mean on a Maytag Washing Machine?

Serial communication error — control boards not communicating.

F28 fires when the central control unit (CCU) cannot maintain serial communication with the motor control unit (MCU) over the inter-board harness. The CCU sends drive commands and expects a valid data handshake; when replies stop or become corrupted, the board halts the cycle to avoid running the motor blind. Unlike motor-specific faults (F6E1) or general control errors (F1E1), F28 points squarely at the communication link itself — the harness, connectors, or one of the two boards.

Models affected: Whirlpool-platform front-load Maytag washers with a separate motor control unit, such as the MHW6630HW; some belt/direct-drive top-load models on the same electronics may report the equivalent fault
What owners report: Owners commonly report F28 appearing mid-cycle right as the drum should begin spinning, sometimes intermittently. A loose or corroded connector is a frequent false trigger, so reseating the serial harness after a full power-down resolves many cases before any board is replaced.

What Causes Error Code F28?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Wiring/connector between control boards loose or damaged 50% of cases
  2. 2
    Motor control unit failure 30% of cases
  3. 3
    Central control unit failure 20% of cases

How to Fix Maytag Washing Machine Error Code F28

🔧🔧🔧 Advanced DIY Est. time: 1–3 hours
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Power cycle

    Unplug for 1 minute.

  2. 2

    Reseat the inter-board harness

    Check and reseat the serial connectors between the central control and the motor control.

    🔩 Multimeter
  3. 3

    Replace the failed control unit

    If the harness is good, replace the motor control or central control.

    🔩 Maytag washer motor control unit ($120–$300) 🔩 Maytag washer control board ($100–$300)
    ⚠️ Unplug before servicing.

How to Reset Error Code F28

Unplug 1 minute and reseat the serial harness. Replace a control unit if F28 persists.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Full Maytag washer reset guide → Enter diagnostic mode →

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When to Call a Professional

Serial communication diagnosis is complex — professional service recommended.

Average professional repair cost for this issue: $250–$520

Related Error Codes

F6E1
Communication error — main control to motor control
⚠ High Severity
F1E1
Main electronic control board failure
⚠ High Severity

Same Code on Other Brands

Error code F28 appears on these other brands too. See every brand that shows F28 →

Whirlpool logo
Whirlpool Dryer F28
Moisture sensor bar failure — primary sensor
Kenmore logo
Kenmore Dryer F28
Moisture sensor fault

Find Replacement Parts

Use these links to find the exact replacement parts for your Maytag Washing Machine:

🔩
Search PartSelect
Maytag Washing Machine repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More Maytag Washing Machine Error Codes

F9E1 Drain failure — water not draining F8E1 Low water fill detected SUD Excessive suds — too much detergent F5E2 Lid will not lock — latch blocked or failed F5E1 Lid lock fault — cannot lock or unlock F5E3 Lid will not unlock — latch or control fault

Frequently Asked Questions

Can I keep using my Maytag Washing Machine when error F28 appears? +
It is not advisable. The washing machine may still power on, but running it while F28 is active can worsen the control-board fault or damage related parts. Treat it as a soon-as-possible repair.
What most commonly causes F28 on a Maytag Washing Machine? +
Across reported Maytag washing machine repairs, the most frequent is wiring/connector between control boards loose or damaged (50% of cases), motor control unit failure (30%), then central control unit failure (20%). Check them in that order before replacing any parts.
F28 keeps coming back after a reset — what should I check next? +
A reset only clears the stored F28 fault; if it returns, the control-board problem is still present. Move on to the physical checks — power cycle, then reseat the inter-board harness — since the code will reappear until the root cause is resolved. This is an advanced repair involving deeper disassembly or electrical testing.
How much does it cost to fix Maytag Washing Machine error F28? +
A DIY repair typically runs $100–$300 in parts, versus $250–$520 for a professional service call, so handling it yourself saves around $150. Expect the work to take 1–3 hours.
Which Maytag Washing Machine models show error F28? +
F28 is documented on Whirlpool-platform front-load Maytag washers with a separate motor control unit, such as the MHW6630HW; some belt/direct-drive top-load models on the same electronics may report the equivalent fault. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

Content verified against manufacturer service documentation. Last verified: July 19, 2026.

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