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Error code reference

Dacor Range Error Code F14

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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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
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What F14 means on a Dacor range

The F14 error code on a Dacor range indicates a defective power board. The power board, sometimes called the power supply board or main power control board, is responsible for converting incoming line voltage into regulated DC voltages that supply the control electronics, display, and other board assemblies throughout the range. When this board fails or develops a fault, the control system detects an abnormal condition and triggers the F14 code to signal that the power board is no longer functioning within acceptable parameters.

Power board failures can stem from several root causes. Voltage spikes or surges from the supply line can damage onboard capacitors, transistors, or rectifier components. Heat stress from prolonged high-temperature cooking cycles can degrade solder joints and surface-mounted components over time. In some cases, a short circuit downstream, such as a failed relay or a shorted harness, can cause the power board to fail by drawing excessive current through its output stages.

Because the F14 code points directly to the power board as the defective component, diagnostic effort focuses on confirming the board has failed rather than tracing secondary causes elsewhere in the system. Inspecting the board for visibly burned components, bulging capacitors, or scorched traces can help confirm the failure. However, given the complexity of modern power supply circuits, board-level component repair is rarely practical in the field. The standard and recommended resolution is full power board replacement.

Source: manufacturer service documentation.

Common causes of F14

  1. 01

    Failed power board due to component failure

    Part replacement

    Internal components on the power board such as capacitors, transistors, or rectifiers can fail with age or heat exposure, causing the board to stop delivering proper voltages. This is the most direct cause of F14 and is confirmed by the board's inability to support normal operation.

  2. 02

    Power surge or voltage spike damage

    Part replacement

    A surge from the home's electrical supply can damage sensitive components on the power board instantly. Evidence may include a burned smell, scorched traces, or a blown fuse on the board.

  3. 03

    Overheating and thermal degradation

    Part replacement

    Repeated high-temperature cooking cycles can cause thermal stress on the power board over time, leading to cracked solder joints or degraded components. Visual inspection may reveal discoloration or lifted solder joints.

  4. 04

    Short circuit in a connected component

    Part replacement

    A shorted relay, wiring harness, or connected board can place excessive load on the power board, causing it to fail. If a replacement power board fails quickly after installation, inspect connected components for shorts before installing another board.

  5. 05

    Damaged wiring or connector to the power board

    Wiring / connection

    A loose, corroded, or damaged wiring harness connector at the power board can interrupt power distribution and contribute to board failure or trigger the F14 code. Inspect connectors for burn marks, corrosion, or loose pins.

See the test procedure for each cause

Frequently asked questions about F14

What does F14 mean on a Dacor range?
F14 on a Dacor range indicates that the power board has been detected as defective. The power board supplies regulated voltages to the control electronics and other components throughout the range. When it fails, the range cannot operate normally and will display the F14 fault code. Replacing the power board is the required corrective action.
Can I fix the F14 error on my Dacor range myself?
The F14 error requires replacing the power board, which involves working inside the range near high-voltage components. A technically skilled DIYer who is comfortable working with appliance electronics and understands electrical safety precautions can perform this repair. However, because the power board handles line voltage, many homeowners prefer to have a qualified appliance technician complete the replacement to ensure safety and correct installation.
Will resetting my Dacor range clear the F14 error code?
Resetting the range by cycling power at the breaker or unplugging it will not clear the F14 error permanently. Since the code is caused by a physically defective power board, the fault condition will return as soon as the range attempts to power up and the control system detects the board failure again. The error will only be resolved after the faulty power board has been replaced.
Is it safe to use my Dacor range while the F14 code is displayed?
You should not attempt to use the range while the F14 error is active. A defective power board means the control electronics are not receiving proper voltages, which can cause unpredictable behavior from the control system. Continued use in this condition could pose a safety risk or cause additional damage to other components in the range.
How much does it cost to fix an F14 error on a Dacor range?
Repair costs for an F14 error will vary depending on the specific Dacor range model and where you source the replacement power board. Parts costs for a power board typically fall in the range of $100 to $350 or more depending on the model. If you hire a technician, labor charges will add to that total, bringing the overall repair cost to roughly $200 to $600 or higher in some cases.

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