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Error code reference

Kenmore Dishwasher Error Code Hd

Indicates a water heat delay; the dishwasher is pausing to heat water to the required temperature.

Kenmore codesKenmore dishwasher codes

Indicates a water heat delay; the dishwasher is pausing to heat water to the required temperature.

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What Hd means on a Kenmore dishwasher

The Hd error code on a Kenmore dishwasher indicates a water heat delay condition. This is not a fault code in the traditional sense but rather an informational status display: the control board has detected that the incoming water temperature is below the minimum threshold required to proceed with the current wash cycle. The dishwasher pauses the cycle and activates the heating element to bring the water up to the target temperature before continuing.

The heating system in a Kenmore dishwasher typically involves a heating element located at the base of the tub, a thermistor or thermostat that monitors water temperature, and the main control board that interprets those readings and manages element activation. When incoming water is too cold, such as during winter months or when the hot water supply has been depleted by other household use, the control board triggers the heat delay and displays Hd to inform the user that additional time is needed.

In most cases, the Hd display is a normal operational pause and the dishwasher will resume the cycle automatically once the water reaches the required temperature. However, if the code persists for an extended period or the dishwasher never advances past this state, it may indicate a failing heating element, a faulty thermistor providing incorrect temperature readings, or a wiring issue between these components and the control board.

Source: manufacturer service documentation.

Common causes of Hd

  1. 01

    Low incoming hot water temperature

    Wiring / connection

    If hot water was recently used elsewhere in the home or the water heater is set below optimal levels, the dishwasher receives cooler water than expected and must pause to heat it. Running the hot water at the kitchen sink for a minute before starting the dishwasher can help reduce the frequency of this delay.

  2. 02

    Cold ambient or seasonal conditions

    Wiring / connection

    During colder months, water sitting in supply lines can be significantly cooler than the water heater output temperature, causing the dishwasher to trigger the heat delay more often. This is a normal operational response to environmental conditions.

  3. 03

    Faulty heating element

    Part replacement

    If the heating element has failed or has developed high resistance, it may not be able to raise water temperature efficiently, causing the dishwasher to remain in heat delay indefinitely. A failed element often requires replacement to restore normal cycle operation.

  4. 04

    Defective thermistor or thermostat

    Part replacement

    The thermistor or thermostat monitors water temperature and reports readings to the control board. If this sensor is faulty and reporting artificially low temperatures, the control board may keep the dishwasher in heat delay even when the water is adequately hot.

  5. 05

    Control board malfunction

    Part replacement

    In less common cases, the main control board may misinterpret temperature sensor signals or fail to release the heat delay condition even after the water has reached the correct temperature. This can require board inspection or replacement.

See the test procedure for each cause

Frequently asked questions about Hd

What does Hd mean on a Kenmore dishwasher?
Hd stands for water heat delay. It means the dishwasher has paused the wash cycle because the water temperature is below the required level and the appliance is actively heating the water before continuing. This is a normal operational status in most cases. The cycle should resume automatically once the correct temperature is reached.
How do I fix the Hd code on my Kenmore dishwasher?
In most cases no repair is needed since the dishwasher will resume the cycle on its own. To reduce how often this happens, run hot water at the kitchen sink for about a minute before starting the dishwasher to flush cold water from the supply line. If the Hd code persists for a very long time and the cycle never resumes, inspect the heating element and temperature sensor, as one of these components may need replacement.
Is the Hd code on a Kenmore dishwasher a safety concern?
No, the Hd code is not a safety issue. The dishwasher is simply pausing to heat water to the correct temperature, which is a normal part of cycle operation. You can safely leave the dishwasher running while it works through the heat delay. Only if the code never clears after an unusually long period would further diagnosis be warranted.
Will resetting my Kenmore dishwasher clear the Hd code?
Resetting the dishwasher may clear the display temporarily, but if the water temperature is still too low when the next cycle starts, the Hd code will return. A reset does not address the underlying condition causing the delay. If a component like the heating element or thermistor is faulty, a reset will not fix the problem and the dishwasher will continue to get stuck in heat delay.
How much does it cost to repair a Kenmore dishwasher showing the Hd code?
If the Hd code is due to normal low water temperature conditions, there is no repair cost involved. If a heating element needs replacement, parts and labor typically range from around 80 to 200 dollars depending on the specific model and local labor rates. A faulty thermistor or thermostat is generally a less expensive repair, with parts and labor often falling in the 50 to 150 dollar range.

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