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Error code reference

Maytag Dryer Error Code D19

Exhaust High Temp Fault

Maytag codesMaytag dryer codes

Exhaust High Temp Fault – the exhaust probe detects a tumbler temperature 20°F above the maximum dryer temperature set point for more than 10 seconds.

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What D19 means on a Maytag dryer

The D19 error code on a Maytag dryer indicates an Exhaust High Temp Fault. This fault triggers when the exhaust probe detects a tumbler temperature that exceeds the maximum dryer temperature set point by 20°F or more, and that elevated condition persists for longer than 10 seconds. The control board monitors the exhaust probe continuously during a cycle, and when this sustained overheat threshold is crossed, the dryer halts operation and logs the D19 code to protect the load and the appliance from heat damage.

The exhaust probe is a thermistor or thermocouple-style sensor positioned in the exhaust path to give the control board real-time temperature readings. When the dryer cannot shed heat fast enough, or when heat is being generated beyond normal parameters, the exhaust temperature climbs above the acceptable ceiling. The 10-second duration requirement means brief spikes from sensor noise are filtered out, so a D19 fault represents a genuine, sustained overheat condition rather than a false reading.

The most likely root causes fall into two categories: restricted airflow and component failure. A blocked or kinked exhaust duct, a clogged lint screen, or a failed blower wheel can trap heat inside the drum and exhaust path. On the heating side, a shorted heating element, a failed cycling thermostat that no longer cuts the heat at the correct temperature, or a faulty high-limit thermostat can allow the heater to run unchecked. The exhaust probe itself can also fail and report falsely elevated readings, which would require sensor replacement to resolve.

Source: manufacturer service documentation.

Common causes of D19

  1. 01

    Blocked or restricted exhaust ductwork

    Wiring / connection

    Lint buildup, a crushed duct, or a clogged exterior vent cap limits airflow and traps heat in the exhaust path, quickly pushing temperatures past the set point. Inspect the full duct run from the dryer outlet to the exterior termination point and clear any obstructions.

  2. 02

    Clogged lint screen or lint screen housing

    Wiring / connection

    A screen packed with lint or a waxy buildup from dryer sheets can dramatically reduce the airflow volume moving through the drum and exhaust system. Remove and clean the lint screen, and inspect the housing cavity for accumulated lint that the screen may have missed.

  3. 03

    Failed cycling thermostat

    Part replacement

    The cycling thermostat is responsible for cutting power to the heating element once the target temperature is reached. If it fails in a closed position, the heater runs continuously and exhaust temperatures climb well above the set point.

  4. 04

    Shorted or continuously energized heating element

    Part replacement

    A heating element that has shorted to its housing or grounded can continue producing heat even when the control board signals it to stop, causing sustained overtemperature in the drum and exhaust. Continuity testing of the element and its insulation can confirm this failure.

  5. 05

    Faulty exhaust temperature probe

    Part replacement

    If the exhaust probe itself has drifted out of calibration or has an internal fault, it can report temperatures 20°F or more above actual conditions, triggering the D19 code even when the dryer is operating at normal heat levels. Comparing the probe reading against a known accurate thermometer placed at the exhaust can help isolate this cause.

See the test procedure for each cause

Frequently asked questions about D19

What does D19 mean on a Maytag dryer?
D19 is an Exhaust High Temp Fault. It means the exhaust probe measured a tumbler temperature at least 20°F above the maximum allowed set point for more than 10 seconds. The dryer shuts down automatically to prevent damage to the appliance and the load. The fault points to either a restricted airflow path or a heating system component that is not regulating temperature correctly.
Can I fix a D19 error on my Maytag dryer myself?
Some causes of D19 are straightforward DIY repairs, such as cleaning a clogged lint screen, clearing a blocked vent duct, or removing a crushed exhaust hose. If the airflow path is clear and the fault returns, the repair moves into component territory, including the cycling thermostat, heating element, or exhaust probe, which require basic electrical testing skills and the appropriate replacement parts. Technicians comfortable with continuity and resistance testing can handle these steps, but homeowners unfamiliar with appliance electrical work should consider a professional service call.
Is it safe to keep using my Maytag dryer when D19 appears?
No, you should not continue running the dryer after a D19 fault. The code indicates the dryer reached a sustained overtemperature condition, which poses a fire risk if the root cause is not addressed. Disconnect the dryer and resolve the underlying issue before resuming normal use.
Will resetting the dryer clear the D19 error code?
A power reset may clear the D19 code from the display temporarily, but if the underlying cause remains, the fault will return as soon as the dryer overheats again. Clearing the code without correcting the airflow restriction or component failure does not make the dryer safe to operate. Always diagnose and repair the root cause before returning the appliance to service.
How much does it cost to repair a Maytag dryer showing D19?
If the fix is a simple duct cleaning or lint screen clearing, the cost can be minimal, typically just your time or a modest service call fee in the range of $75 to $150. If a component such as the cycling thermostat, heating element, or exhaust probe needs replacement, parts typically range from $15 to $80 depending on the component, and professional labor can add $100 to $200 on top of that. Getting a diagnostic visit from a technician before ordering parts is usually the most cost-effective approach when the cause is not immediately obvious.

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