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Error code reference

Caloric Range Error Code FFF

Control failure.

Caloric codesCaloric range codes

Control failure.

First step from the service manual

Verify voltage to clock. If no voltage is present, check wiring. If voltage is present, replace clock.

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

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What FFF means on a Caloric range

The FFF error code on a Caloric range indicates a control failure, specifically a problem with the electronic clock or control board that manages range operations. This code signals that the control unit has either lost its power supply, experienced an internal failure, or is unable to communicate properly with the rest of the appliance's electrical system. The clock assembly in these ranges is responsible for timing functions, oven control logic, and in many cases the overall management of heating elements and safety circuits.

The primary diagnostic path for FFF begins with verifying that proper voltage is reaching the clock assembly. If voltage is absent at the clock, the problem lies upstream in the wiring harness, connections, or the power supply circuit rather than in the control unit itself. Loose terminal connections, damaged wiring, or a failed relay can all interrupt voltage delivery to the clock. If voltage is confirmed present at the clock but the error persists, the clock or control board itself has failed internally and requires replacement.

Because the FFF code points directly to the control system, the repair outcome depends entirely on whether the issue is a wiring fault or a failed component. Wiring problems are often correctable without major parts replacement, while a confirmed dead clock unit means the component must be swapped out. Technicians should use a multimeter to check for proper supply voltage at the clock terminals before condemning the part.

Source: manufacturer service documentation.

Common causes of FFF

  1. 01

    Failed clock or control board

    Part replacement

    If voltage is confirmed present at the clock terminals but the FFF error remains, the internal components of the clock or control board have failed. Replacement of the clock unit is required.

  2. 02

    Loss of voltage to the clock

    Wiring / connection

    A break in the wiring harness, a loose terminal connection, or a failed upstream component can cut power to the clock entirely, triggering the FFF code. Checking for voltage at the clock connector with a multimeter will confirm or rule this out.

  3. 03

    Damaged wiring harness

    Part replacement

    Physical damage to the wires leading to the clock, such as heat-related insulation failure or a pinched conductor, can interrupt the circuit. Inspect the harness visually and test for continuity at suspect sections.

  4. 04

    Loose or corroded terminal connections

    Wiring / connection

    Connector terminals at the clock assembly can loosen over time or corrode, causing intermittent or complete loss of voltage. Reseating or cleaning the connector contacts may resolve the code without part replacement.

See the test procedure for each cause

Frequently asked questions about FFF

What does FFF mean on a Caloric range?
The FFF code on a Caloric range indicates a control failure involving the electronic clock assembly. It signals that the clock has either lost its voltage supply or has failed internally. The diagnostic process involves checking for voltage at the clock and either tracing a wiring fault or replacing the clock unit depending on the result.
Can I fix the FFF error myself on a Caloric range?
If you are comfortable using a multimeter to check voltage, you can begin diagnosing the problem yourself by verifying whether power is reaching the clock assembly. If the wiring connection is simply loose, reseating it may clear the error. However, if the clock itself has failed, replacing it requires working with electrical components inside the range and is best handled by a qualified technician.
Is it safe to use my Caloric range while the FFF code is displayed?
A FFF code indicates the control system is not functioning correctly, which means the range may not respond reliably to commands or may not operate at all. It is not advisable to use the appliance until the fault is diagnosed and repaired, as a malfunctioning control board can cause unpredictable behavior from heating elements.
Will resetting the range clear the FFF error code?
Cycling power to the range by unplugging it or turning off the circuit breaker for a few minutes may temporarily clear the display, but the FFF code will return if the underlying cause has not been addressed. A power reset does not repair a failed clock or fix a wiring fault. Proper diagnosis is needed to resolve the error permanently.
How much does it cost to repair a Caloric range showing the FFF code?
Repair costs vary depending on whether the issue is a wiring fault or a failed clock unit. Wiring repairs are generally less expensive, often falling in the range of $75 to $150 for labor if no parts are needed. Clock or control board replacement typically adds the cost of the part, bringing the total to a range of $150 to $350 or more depending on parts availability and labor rates in your area.

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