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Error code reference

Maytag Dryer Error Code dL

Voltage detected below 90 VAC for 8 seconds.

Maytag codesMaytag dryer codes

Voltage detected below 90 VAC for 8 seconds.

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What dL means on a Maytag dryer

The dL error code on a Maytag dryer indicates that the control board has detected supply voltage dropping below 90 VAC for a continuous period of 8 seconds. This is a power supply monitoring fault, not a component failure within the dryer itself. The control board continuously monitors incoming line voltage, and when that voltage falls beneath the 90 VAC threshold for the defined duration, the error is triggered and the dryer halts operation to prevent damage to internal components.

Electric dryers require a 240 VAC supply delivered through a dedicated double-pole circuit breaker, with each leg providing approximately 120 VAC. A dL fault typically points to a problem with one of these legs dropping significantly in voltage, which can result from a partially tripped or failing circuit breaker, a loose or corroded connection at the terminal block, wiring degradation in the supply circuit, or a utility supply issue. Low voltage conditions sustained over time can damage the drive motor, heating element, and control electronics, which is why the dryer is designed to shut down when this condition is detected.

Diagnosing this fault requires checking the voltage at the dryer's terminal block with a multimeter while the unit is under load. Both legs to neutral should read close to 120 VAC, and leg to leg should read close to 240 VAC. If readings are normal at the terminal block, the issue may be intermittent and related to the home's wiring or utility supply. If one leg reads significantly below 120 VAC, trace the fault back to the circuit breaker panel and the outlet or hardwire connection.

Source: manufacturer service documentation.

Common causes of dL

  1. 01

    Partially tripped or failing circuit breaker

    Part replacement

    A double-pole breaker that has partially tripped can drop one leg of the 240 VAC supply while still appearing to be on. Try resetting the breaker fully by switching it off then back on, and have it tested or replaced if the fault returns.

  2. 02

    Loose or corroded terminal block connections

    Wiring / connection

    The wires connecting the power cord to the dryer's terminal block can loosen or corrode over time, causing resistance that drops voltage under load. Inspect the terminal block connections for burn marks, looseness, or corrosion with the power disconnected.

  3. 03

    Utility or grid voltage sag

    Wiring / connection

    Temporary low voltage from the utility supply, especially during high-demand periods, can trigger this fault. If the error appears intermittently and no wiring issues are found, contact your utility provider to check supply voltage at the meter.

  4. 04

    Damaged or undersized power cord

    Part replacement

    A power cord with damaged insulation, a broken conductor, or an undersized gauge for the circuit can cause a voltage drop under the load of a running dryer. Inspect the cord for visible damage and verify it is rated correctly for the circuit.

  5. 05

    Faulty wall outlet or hardwire connection

    Part replacement

    A 240 VAC dryer outlet with a loose terminal or a poorly made hardwire connection in the junction box can cause voltage to sag when current draw increases. Testing voltage at the outlet or connection point under load will confirm this cause.

See the test procedure for each cause

Frequently asked questions about dL

What does dL mean on a Maytag dryer?
The dL code means the dryer's control board detected incoming supply voltage below 90 VAC for 8 or more consecutive seconds. The dryer shuts down automatically to protect its components from damage caused by low voltage operation. This fault points to a problem with the home's electrical supply rather than the dryer's internal parts. Checking the circuit breaker, power cord, and outlet connections are the recommended first steps.
How do I fix the dL error code on my Maytag dryer?
Start by resetting the circuit breaker for the dryer by switching it fully off and then back on. Then inspect the power cord and the terminal block connections inside the dryer for looseness or corrosion. Use a multimeter to check that the outlet or hardwire connection is supplying close to 240 VAC under load. If the voltage is consistently low or the fault returns, an electrician should inspect the home wiring and breaker.
Is the dL error code on a Maytag dryer dangerous?
Operating any appliance with sustained low voltage can cause overheating in motors and other components, which is why the dryer shuts down when this condition is detected. The underlying cause, such as a failing breaker or loose wiring, can pose a fire or shock hazard. Do not repeatedly reset and run the dryer without diagnosing and correcting the supply voltage issue. Have the electrical supply inspected before continuing normal use.
Will resetting my Maytag dryer clear the dL error code?
Unplugging the dryer or resetting the breaker may temporarily clear the fault, but the error will return if the underlying low voltage condition persists. A reset does not fix the electrical supply problem causing the fault. Clearing the code without addressing the cause risks repeated shutdowns and potential component damage over time.
How much does it cost to repair a dL error code on a Maytag dryer?
Repair costs vary depending on the root cause. Replacing a faulty circuit breaker typically runs between $150 and $300 including electrician labor. A new power cord can cost between $20 and $60 for the part, with additional labor if professionally installed. Outlet replacement or wiring repairs by a licensed electrician can range from $100 to $400 depending on complexity. If the fault is caused by utility supply issues, there may be no cost beyond the diagnostic service call.

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