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Error code reference

Dacor Range Error Code Oven Knob Light blinks

Control board failure or 12-hour bake time-out was exceeded.

Dacor codesDacor range codes

Control board failure or 12-hour bake time-out was exceeded.

First step from the service manual

Turn power off to unit for 5 minutes. If problem persists, replace control board.

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

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What Oven Knob Light blinks means on a Dacor range

On a Dacor range, a blinking oven knob light signals one of two conditions: a control board failure or the activation of the 12-hour bake time-out feature. The 12-hour time-out is a built-in safety function that automatically terminates the bake cycle if the oven has been running continuously for 12 hours. When this limit is reached, the control board cuts power to the baking element and triggers the blinking indicator at the knob to alert the user that the cycle has ended due to time-out rather than a completed cook cycle.

If the blinking occurs without reaching the 12-hour threshold, the cause shifts toward a control board malfunction. The control board governs all oven functions including temperature regulation, element activation, and indicator signals. An internal fault within the board, such as a failed relay, corrupted logic circuit, or power surge damage, can produce erratic outputs including a blinking knob light. These faults are not always externally visible and typically cannot be resolved by cleaning or adjusting connections alone.

The first step in diagnosing this condition is a full power reset: turn off power to the unit at the circuit breaker or by unplugging it, and leave it off for a minimum of 5 minutes. This allows the control board's capacitors to fully discharge and clears any temporary logic errors. If the blinking knob light returns after power is restored and the oven is not in a 12-hour time-out situation, the control board itself is the likely faulty component and will need replacement.

Source: manufacturer service documentation.

Common causes of Oven Knob Light blinks

  1. 01

    12-hour bake time-out activation

    Wiring / connection

    If the oven was left running for 12 continuous hours, the built-in time-out feature shuts down the bake cycle and triggers the blinking light. Check whether the oven had been operating for an extended period before the light appeared.

  2. 02

    Control board failure

    Part replacement

    A faulty control board can produce a blinking knob light even when the 12-hour limit has not been reached. Internal component failures such as damaged relays or corrupted logic circuits on the board are not repairable and require full board replacement.

  3. 03

    Power surge or voltage irregularity

    Wiring / connection

    A voltage spike or momentary power interruption can corrupt the control board's operating state and cause erratic indicator behavior. A 5-minute power reset often clears this condition, but repeated surges can permanently damage the board.

  4. 04

    Temporary control board logic error

    Wiring / connection

    The control board can occasionally enter a fault state due to a software or logic glitch rather than a hardware failure. Powering the unit off for 5 minutes and restoring power is the correct first step to clear this type of error.

See the test procedure for each cause

Frequently asked questions about Oven Knob Light blinks

What does Oven Knob Light blinks mean on a Dacor range?
A blinking oven knob light on a Dacor range indicates either a control board failure or that the oven's 12-hour bake time-out has been triggered. The 12-hour time-out is a safety feature that automatically ends a bake cycle after continuous 12-hour operation. If neither of those conditions applies, the control board itself may have an internal fault. A 5-minute power reset is the recommended first diagnostic step.
Will resetting the power clear the blinking knob light on my Dacor range?
A power reset will clear the blinking light if the cause is a temporary control board logic error or a triggered 12-hour time-out. Turn off power at the circuit breaker or unplug the unit and wait at least 5 minutes before restoring power. If the blinking returns after the reset, the control board has likely failed and will need to be replaced.
Is it safe to use my Dacor range when the oven knob light is blinking?
When the knob light is blinking, the oven's control board may not be operating reliably, and bake functions may not behave as expected. It is best to avoid using the oven until the cause is identified and resolved. If the blinking was caused by the 12-hour time-out, you can restart the oven normally after a reset, but a control board fault should be addressed before continued use.
How much does it cost to fix a Dacor range with a blinking oven knob light?
If the issue is only a 12-hour time-out, there is no repair cost involved since a power reset resolves it. If the control board has failed, replacement board costs for Dacor ranges typically range from around $150 to $400 or more depending on the model, with professional labor adding additional cost. Getting a diagnosis from a qualified technician before purchasing parts is advisable.
How do I replace the control board on a Dacor range to fix the blinking knob light?
Control board replacement on a Dacor range requires disconnecting power to the unit completely before beginning any work. The board is typically located behind the control panel, which must be removed to access it. All wire harness connectors should be documented or photographed before disconnecting, and the new board should be matched to the specific model. Because this repair involves the main control electronics, many technicians recommend professional service if you are not experienced with appliance electrical components.

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