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Error code reference

Dacor Range Error Code F15

Defective power board.

Dacor codesDacor range codes

Defective power board.

First step from the service manual

Replace power board.

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

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What F15 means on a Dacor range

The F15 error code on a Dacor range indicates a defective power board. The power board is a primary control component responsible for distributing and regulating electrical power to the various systems within the range, including the oven control circuitry, heating elements, ignition systems, and display functions. When the range detects an internal fault condition originating from this board, it triggers the F15 code and may disable some or all range functions as a protective measure.

Power board failures can stem from several root causes. Voltage spikes or power surges from the home electrical supply can damage sensitive onboard components such as capacitors, relays, and transistors. Prolonged heat exposure in the appliance cavity can degrade solder joints and board traces over time, leading to intermittent or permanent faults. Moisture or grease contamination reaching the board can also cause short circuits or corrosion on conductive pathways.

Because the F15 code points directly to the power board as the source of the fault, diagnostic effort centers on inspecting and replacing that component. Unlike sensor-based error codes that can sometimes be resolved by cleaning or reconnecting a component, a defective power board typically requires full replacement. Attempting to operate the range while this fault is active is not recommended, as the compromised board may fail to properly control heating elements or safety circuits.

Source: manufacturer service documentation.

Common causes of F15

  1. 01

    Failed power board

    Part replacement

    The power board itself has experienced an internal component failure, such as a burned relay, blown capacitor, or damaged circuit trace. This is the primary cause indicated by the F15 code and is confirmed by the board showing visible burn marks, scorch damage, or simply failing to function after inspection.

  2. 02

    Power surge or voltage spike

    Part replacement

    A sudden spike in household electrical voltage can permanently damage onboard components of the power board. If the error appeared shortly after a storm, power outage, or restoration of power, a surge is a likely contributing factor.

  3. 03

    Heat damage to board components

    Part replacement

    Extended exposure to high oven temperatures can degrade solder joints and electronic components on the power board over time. Cracked solder joints or delaminated board traces may be visible on close inspection.

  4. 04

    Grease or moisture contamination

    Part replacement

    Grease vapors or moisture that reach the power board can cause short circuits or corrosion on conductive pathways. Discoloration or residue buildup on the board surface can indicate this issue.

  5. 05

    Loose or damaged wiring harness connection

    Wiring / connection

    A loose connector or damaged wiring harness leading to the power board can cause the board to behave erratically and trigger the F15 fault. Inspect all connections to and from the board before proceeding to full replacement.

See the test procedure for each cause

Frequently asked questions about F15

What does F15 mean on a Dacor range?
The F15 code on a Dacor range indicates a defective power board. The power board controls the distribution of electrical power throughout the range, and when it fails or develops an internal fault, the range generates this error code. The range may become partially or fully non-functional until the board is replaced.
Can I fix the F15 error on my Dacor range myself?
Resolving F15 requires replacing the power board, which involves working with high-voltage components inside the range. Technicians comfortable with appliance electronics and safe high-voltage procedures can perform this repair, but it is not recommended for those without relevant experience. Disconnecting power to the range before any inspection or repair is essential.
Is it safe to use my Dacor range while F15 is displayed?
It is not recommended to continue using the range while F15 is active. A defective power board may not properly regulate power to heating elements or safety circuits, which creates a risk of uncontrolled heating or other electrical hazards. The range should remain unplugged or powered off at the breaker until the board is replaced.
Will resetting my Dacor range clear the F15 error code?
Resetting the range by cutting power at the breaker for several minutes may temporarily clear the F15 code, but it will return if the power board is genuinely defective. A reset does not repair a failed board and should be considered only a temporary diagnostic step, not a solution.
How much does it cost to repair a Dacor range F15 error?
The cost to repair an F15 error depends on parts and labor rates in your area. Power board replacement parts for Dacor ranges typically range from around $150 to $400 or more depending on the specific model, and professional labor charges can add $100 to $250 or more to the total. Getting a quote from a certified appliance technician before proceeding is advisable.

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