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Error code reference

GE Dishwasher Error Code F17

Absent heat source.

GE codesGE dishwasher codes

Absent heat source.

First step from the service manual

Check heater and thermistor.

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

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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What F17 means on a GE dishwasher

The F17 error code on a GE dishwasher indicates an absent heat source, meaning the control board is not detecting the expected heat input during a wash or dry cycle. The heating system in these dishwashers relies on two primary components working together: the heater element, which generates thermal energy to raise water temperature and assist drying, and the thermistor, which monitors temperature and reports readings back to the control board. When the board cannot confirm that heating is occurring within the expected parameters, it flags F17 to halt or interrupt the cycle.

The most common root cause is a failed heater element, which can burn out or develop an open circuit over time. A faulty thermistor is equally worth investigating, since a defective sensor may report incorrect temperature data even when the heater itself is functioning. Wiring issues between these components and the control board, including corroded terminals or broken connectors, can also produce this fault. In less frequent cases, the control board itself may be failing to send power to the heater circuit.

Diagnosis should begin by inspecting the heater element for visible damage and testing its continuity with a multimeter. The thermistor should be tested for resistance values that fall within the expected range for the current temperature. Any wiring harnesses connecting these components to the control board should be checked for damage, looseness, or corrosion before assuming either component has failed.

Source: manufacturer service documentation.

Common causes of F17

  1. 01

    Failed heater element

    Part replacement

    The heating element can burn out or develop an open circuit, cutting off all heat to the wash and dry cycles. Test the element with a multimeter for continuity to confirm failure.

  2. 02

    Faulty thermistor

    Part replacement

    The thermistor monitors water temperature and reports back to the control board. If it fails or reads out of range, the board interprets this as an absent heat source even if the heater is working.

  3. 03

    Wiring or connector issue

    Wiring / connection

    Corroded terminals, loose connectors, or broken wiring between the heater, thermistor, and control board can interrupt the circuit. Visually inspect all connections in the heating circuit for damage or corrosion.

  4. 04

    Control board failure

    Part replacement

    If the control board is not sending power to the heater circuit, the element will not activate regardless of its condition. This is typically diagnosed after ruling out the heater and thermistor.

See the test procedure for each cause

Frequently asked questions about F17

What does F17 mean on a GE dishwasher?
F17 on a GE dishwasher means the control board is detecting an absent heat source. The dishwasher is not registering the expected heating activity during the wash or dry cycle. The error points to the heater element, thermistor, or the wiring connecting them to the control board as the likely source of the problem.
Can I fix the F17 error on my GE dishwasher myself?
A knowledgeable DIYer can diagnose and fix F17 in many cases. Start by checking the heater element for continuity and the thermistor for correct resistance using a multimeter. If either component tests as failed, replacing it is a straightforward repair. Wiring issues can also be resolved without professional help if the damaged section is accessible.
Is it safe to run my GE dishwasher with the F17 error code showing?
Running the dishwasher with F17 active is not recommended. Without a functioning heat source, the appliance will not sanitize dishes properly and the drying cycle will not perform as intended. Continuing to run cycles while the fault is unresolved can also put additional strain on other components.
How much does it cost to repair the F17 error on a GE dishwasher?
Repair costs depend on which component has failed. A replacement heater element typically runs between $20 and $60 for the part, while a thermistor is usually in the $10 to $40 range. If you hire a technician, labor costs can add $80 to $150 or more on top of parts. A control board replacement, if needed, is the most expensive scenario and can push total costs significantly higher.
Will resetting my GE dishwasher clear the F17 error code?
A reset may temporarily clear the F17 code, but it will return if the underlying problem is not repaired. The control board triggers F17 because it cannot detect heat, and that condition will persist until the faulty component is replaced or the wiring issue is corrected. Resetting without repairing should only be done as part of the diagnostic process, not as a long-term solution.

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