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Error code reference

Maytag Dryer Error Code HP

The thermistor reading is out of range and the dryer cycle is interrupted.

Maytag codesMaytag dryer codes

The thermistor reading is out of range and the dryer cycle is interrupted.

First step from the service manual

Push Off key and attempt to run the cycle again; if condition persists, check for thermistor malfunction or wiring problem with thermistor circuit. View Diagnostic Codes for code 1 or 2.

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

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What HP means on a Maytag dryer

The HP error code on a Maytag dryer indicates that the thermistor is producing a reading outside of its acceptable operating range, causing the control board to interrupt the drying cycle as a protective measure. The thermistor is a temperature-sensing resistor whose electrical resistance changes in response to heat. The control board continuously monitors this resistance value during operation, and when the reading falls too high or too low relative to expected parameters, the HP code is triggered.

The most common sources of this fault fall into two categories: a failed thermistor or a problem within the wiring circuit connected to it. A thermistor can fail by developing an open circuit, a short circuit, or by drifting out of its calibrated resistance range due to age or heat exposure. Wiring issues such as loose connectors, corroded terminals, or damaged harness wires can also produce erratic or out-of-range resistance readings at the control board, mimicking a failed sensor.

Maytag's diagnostic system assigns sub-codes to help narrow down the fault. After triggering the HP code, the technician should enter the diagnostic mode and check for code 1 or code 2, which provide additional detail about the nature of the thermistor fault. This distinction helps separate a failed thermistor from a wiring or connection problem, making targeted diagnosis more efficient before any parts are replaced.

Source: manufacturer service documentation.

Common causes of HP

  1. 01

    Failed thermistor

    Part replacement

    The thermistor itself may have developed an open or short circuit, or its resistance value has drifted outside the acceptable range. This is the most likely hardware failure and can be confirmed by measuring the thermistor's resistance with a multimeter and comparing it to the specified range.

  2. 02

    Loose or disconnected wiring connector

    Wiring / connection

    The connector linking the thermistor to the wiring harness can loosen over time due to vibration, causing an intermittent or out-of-range signal. Inspect the connector at both the thermistor and the control board for secure seating.

  3. 03

    Damaged wiring harness

    Part replacement

    Wires in the thermistor circuit can become pinched, frayed, or broken, particularly near routing clips or areas exposed to heat. A visual inspection followed by a continuity test along the harness wires can identify breaks or shorts.

  4. 04

    Corroded terminals

    Wiring / connection

    Moisture or heat exposure can cause corrosion at the thermistor connector terminals, increasing resistance in the circuit and producing an out-of-range reading. Check terminals for discoloration or oxidation and clean or replace as needed.

  5. 05

    Faulty control board

    Part replacement

    If the thermistor and all wiring check out correctly, the control board may be misreading the thermistor signal due to an internal fault. This is the least likely cause and should only be considered after ruling out the sensor and wiring.

See the test procedure for each cause

Frequently asked questions about HP

What does HP mean on a Maytag dryer?
The HP code means the thermistor, which is the dryer's temperature-sensing component, is producing a reading outside its normal operating range. The control board detects this abnormal signal and interrupts the drying cycle as a precaution. The fault can originate from the thermistor itself or from a problem in the wiring circuit connected to it. Entering the dryer's diagnostic mode and checking for sub-code 1 or 2 will help identify the specific nature of the fault.
Will resetting my Maytag dryer clear the HP error code?
Pressing the Off key and restarting the cycle is the recommended first step and may clear the code if the thermistor reading was temporarily out of range. However, if the underlying fault, such as a failed thermistor or a loose wiring connection, is still present, the HP code will return. A reset is useful for ruling out a transient glitch but is not a permanent fix when a hardware problem exists.
Is it safe to keep using my dryer when the HP code appears?
The dryer interrupts the cycle when the HP code triggers, which means it is not operating normally and should not be used until the fault is diagnosed. Running a dryer with an unreliable temperature sensor creates a risk of improper heat regulation. It is best to resolve the thermistor fault before resuming normal use.
How do I diagnose whether the thermistor or the wiring is causing the HP code?
Start by entering the diagnostic mode and noting whether sub-code 1 or sub-code 2 appears, as this provides direction on the type of fault. From there, inspect the wiring harness and connectors for visible damage, corrosion, or loose connections. If the wiring looks intact, use a multimeter to measure the thermistor's resistance and verify it falls within the expected range for the operating temperature.
How much does it cost to repair a Maytag dryer showing the HP error code?
If only the wiring connection needs to be reseated or cleaned, the repair may cost little to nothing beyond your time. Replacing the thermistor itself is a relatively inexpensive fix, with parts typically ranging from $15 to $40 and professional labor adding $75 to $150 depending on the service provider. If the control board is the root cause, costs increase significantly, generally ranging from $150 to $350 or more for parts and labor combined.

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