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Error code reference

Maytag Dryer Error Code 3

Door switch related error code; indicates a door switch issue preventing the dryer from starting or running.

Maytag codesMaytag dryer codes

Door switch related error code; indicates a door switch issue preventing the dryer from starting or running.

First step from the service manual

Check door switch functionality and ensure door is closed. See Tech Sheet for full code definition.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What 3 means on a Maytag dryer

Error code 3 on a Maytag dryer indicates the control board detected an invalid state in the door sense circuit for longer than 256 milliseconds. The door sense circuit continuously signals the control board whether the door is open or closed. When the board reads a state that does not correspond to any valid open or closed condition for more than 256 milliseconds, it flags error code 3 and halts operation. This typically points to a wiring fault, a failed door switch, or a damaged connection somewhere along the door sense circuit path.

For homeowners, this error means your dryer's brain detected something wrong with how the door is reporting its status. The dryer monitors whether its door is open or closed through a dedicated circuit. When that circuit sends a signal that does not make sense, such as a reading that is neither a clean open nor a clean closed, the dryer stops and shows error code 3 to prevent running with an uncertain door state. In most cases, the fix involves inspecting the wiring and connections near the door switch or replacing the door switch itself. The control board is rarely the cause but should be considered if all other components test correctly.

Source: manufacturer service documentation.

Common causes of 3

  1. 01

    Loose or disconnected wire terminals in the door sense circuit

    Wiring / connection

    A wire terminal that has backed out of its connector or corroded can produce an intermittent or invalid signal lasting beyond 256 milliseconds. This is the most common cause and should be checked first before replacing any parts.

  2. 02

    Faulty door switch

    Part replacement

    The door switch is the primary component in the door sense circuit and can fail mechanically or electrically, causing it to output an indeterminate state rather than a clean open or closed signal. A failed switch will not pass continuity testing in the expected positions.

  3. 03

    Damaged or shorted door sense wiring harness

    Part replacement

    Wiring between the door switch and the control board can fray, pinch, or short against the dryer chassis, generating a signal that the board cannot interpret as a valid door state. Visually inspect the full harness run for wear or burn marks.

  4. 04

    Failed main control board

    Part replacement

    If the door switch and all wiring test correctly, the control board itself may have a damaged input circuit that misreads valid door sense signals. This is the least likely cause and should only be pursued after all other components are confirmed good.

See the test procedure for each cause

Frequently asked questions about 3

What does error code 3 mean on a Maytag dryer?
Error code 3 means the control board detected an invalid state in the door sense circuit for more than 256 milliseconds. The door sense circuit is responsible for telling the control board whether the door is open or closed. When that signal is neither a clean open nor a clean closed for too long, the dryer stops and displays error code 3.
How do I fix error code 3 on a Maytag dryer?
Start by unplugging the dryer and inspecting all wire terminals in the door sense circuit for looseness, corrosion, or disconnection. Reconnect or reseat any suspect terminals and power the dryer back on to see if the code clears. If the error returns, test the door switch with a multimeter for continuity in both the open and closed positions. A switch that fails this test needs to be replaced. If the switch tests fine, inspect the wiring harness between the switch and control board for damage.
Is it safe to use my Maytag dryer when error code 3 is showing?
No. When error code 3 is active, the dryer halts operation because it cannot confirm a valid door state. Running a dryer with an uncertain door circuit could mean the drum runs with the door open, which is a safety risk. Do not attempt to bypass the error. Resolve the door sense circuit fault before resuming use.
How much does it cost to fix error code 3 on a Maytag dryer?
If the fix is simply reseating a loose wire terminal, there is no parts cost and the repair takes only minutes. A replacement door switch typically costs between $15 and $40 for the part. If a technician is needed, expect a service call fee of $75 to $150 plus labor, bringing the total to roughly $100 to $200 depending on your area. A control board replacement is the most expensive possibility, with parts ranging from $100 to $250.
Can a loose wire cause error code 3 on a Maytag dryer?
Yes. A loose or open wire terminal in the door sense circuit is the most common cause of error code 3. Even a partially seated terminal can produce an intermittent signal that the control board reads as an invalid state, triggering the error. Always check wire connections before replacing any parts, since this fix costs nothing and takes only a few minutes.

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