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Error code reference

Maytag Oven Error Code F5

Power to element relays disabled in cook mode.

Maytag codesMaytag oven codes

Power to element relays disabled in cook mode.

First step from the service manual

Check for intermittent sensor or wire harness connection, then check for intermittent contact on PRB.

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

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  • Wiring diagram references and connector pinouts from the OEM service manual
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What F5 means on a Maytag oven

The F5 error code on a Maytag oven indicates that power to the element relays has been disabled while the oven is in cook mode. This is a protective fault condition where the control board has detected an issue that causes it to cut power delivery to the bake or broil elements through their associated relays. The oven essentially shuts down heating as a safety measure, preventing the elements from operating under potentially faulty electrical conditions.

The most likely origin of this fault is an intermittent problem with the oven temperature sensor or the wiring harness connecting it to the control board. If the sensor signal drops out, reads out of range, or fluctuates erratically, the control board can interpret this as an unsafe operating condition and disable the element relays. A loose pin connector, chafed wire, or corroded terminal in the harness can produce exactly this kind of intermittent fault, which is why the first diagnostic step focuses on checking those connections carefully.

Beyond the sensor and wiring, intermittent contact on the power relay board (PRB) is also a known cause. The PRB contains the relays that physically switch current to the heating elements. If a relay contact is worn, a solder joint is cracked, or the board itself has heat-related damage, the control system can detect the inconsistency and trigger F5. Because the fault is intermittent by nature, it may not be present during every inspection, so careful inspection of all connections and the relay board under different temperature conditions is essential.

Source: manufacturer service documentation.

Common causes of F5

  1. 01

    Loose or corroded wire harness connection

    Wiring / connection

    A poor connection at any point in the wiring harness between the temperature sensor and the control board can cause intermittent signal loss that triggers F5. Inspect all connectors for corrosion, bent pins, or terminals that are not fully seated.

  2. 02

    Intermittent oven temperature sensor fault

    Part replacement

    If the oven temperature sensor is failing, its resistance output may fluctuate or drop out entirely during operation, causing the control board to disable the element relays. The sensor should be checked for stable resistance readings across its full range.

  3. 03

    Intermittent contact on the power relay board (PRB)

    Part replacement

    The PRB contains the relays that switch power to the bake and broil elements. Cracked solder joints, worn relay contacts, or heat damage on the board can cause unreliable switching that the control board detects as a fault condition.

  4. 04

    Damaged or chafed wiring in the harness

    Part replacement

    Wire insulation that has worn through due to heat or contact with metal edges can cause intermittent shorts or open circuits. Visually trace the full harness path looking for any damage, especially near sharp cabinet edges or heat sources.

See the test procedure for each cause

Frequently asked questions about F5

What does F5 mean on a Maytag oven?
F5 on a Maytag oven means the control board has disabled power to the element relays while in cook mode. This is a protective fault that prevents the heating elements from operating when the control system detects an abnormal condition. The cause is typically an intermittent problem with the temperature sensor, the wire harness, or the power relay board.
Can I fix the F5 error on my Maytag oven myself?
Some causes of F5, like a loose wire harness connection, can be addressed by a knowledgeable DIYer who is comfortable working with appliance wiring after disconnecting power. However, diagnosing an intermittent fault on the power relay board or replacing the temperature sensor requires more technical skill and familiarity with multimeter testing. If you are not confident working inside the oven's electrical system, a qualified technician is the safer choice.
Is it safe to use my Maytag oven when it shows F5?
The F5 code indicates the oven has already disabled the heating elements as a protective measure, so the oven will not heat normally while the fault is active. Attempting to use the oven in this state is not recommended since the underlying electrical issue has not been resolved. The oven should be inspected and repaired before returning it to regular use.
Will resetting my Maytag oven clear the F5 error?
Resetting the oven by disconnecting power for several minutes may temporarily clear the F5 code, but it will not fix the underlying problem. Because this fault is often caused by an intermittent issue, the code is likely to return once the oven is back in cook mode and the faulty condition reoccurs. A proper diagnosis of the sensor, wiring harness, and power relay board is needed for a lasting repair.
How much does it cost to repair a Maytag oven F5 error?
Repair costs vary depending on which component is at fault. A replacement oven temperature sensor typically runs in the range of $20 to $60 for the part alone, while a power relay board can cost anywhere from $50 to $150 or more depending on the model. Adding professional labor, total repair costs commonly fall between $100 and $300, though complex wiring repairs or hard-to-find parts can push costs higher.

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