mypros+
Error code reference

Maytag Range Error Code F1:1

Oven temperature exceeds 650°F (runaway condition in bake mode).

Maytag codesMaytag range codes

Oven temperature exceeds 650°F (runaway condition in bake mode).

First step from the service manual

Check sensor, harness, and connections.

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

MyPros+ Max

Get the full diagnostic procedure for F1:1.

  • 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
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F1:1 means on a Maytag range

The F1:1 error code on a Maytag range indicates that the oven temperature has exceeded 650°F during bake mode, triggering a runaway temperature condition. The control board monitors oven temperature continuously through the oven temperature sensor (RTD probe). When the sensed temperature climbs beyond the 650°F threshold without a corresponding setpoint that would justify that level of heat, the control interprets this as a thermal runaway and shuts down operation to prevent damage or fire risk.

The most likely causes involve the oven temperature sensor, its wiring harness, or the connections between the sensor and the control board. A faulty sensor can report artificially low resistance values, which the control board interprets as an extremely high temperature. Conversely, a shorted harness can produce the same misleading signal. The electronic range control (ERC) board itself can also be responsible if it is sending incorrect voltage to the bake element, causing actual overheating rather than a false reading.

Diagnosis begins with inspecting the sensor, harness, and all associated connections as the primary step. The oven temperature sensor is a resistance-based probe, and its resistance should be checked with a multimeter at room temperature. A reading significantly outside the expected range for the sensor type indicates a faulty probe. Wiring should be checked for pinches, burns, or loose terminals at both the sensor and control board ends before assuming the board itself has failed.

Source: manufacturer service documentation.

Common causes of F1:1

  1. 01

    Faulty oven temperature sensor

    Part replacement

    A defective RTD temperature sensor can report incorrect resistance values, causing the control board to interpret normal oven temperatures as a runaway condition above 650°F. Check the sensor's resistance with a multimeter and compare it to the expected value for your specific model.

  2. 02

    Damaged or shorted wiring harness

    Wiring / connection

    A pinched, burned, or shorted wire in the harness between the oven temperature sensor and the control board can produce a false high-temperature signal. Inspect the full length of the harness for visible damage, melted insulation, or loose terminal connections.

  3. 03

    Loose or corroded sensor connections

    Wiring / connection

    Poor electrical contact at the sensor connector or at the control board terminal can cause erratic resistance readings that mimic a runaway temperature condition. Disconnect and reseat all connectors in the sensor circuit and inspect for corrosion or bent pins.

  4. 04

    Stuck or shorted bake element

    Part replacement

    If the bake element is shorted and drawing power continuously, the oven can actually exceed safe temperature limits rather than triggering a false reading. Inspect the bake element for visible cracks, burn marks, or blistering, and test it for a short to ground.

  5. 05

    Failed electronic range control board

    Part replacement

    A defective control board may misread sensor input or incorrectly regulate voltage to the bake element, leading to a true or perceived thermal runaway condition. The control board should be considered after the sensor, harness, and element have been ruled out.

See the test procedure for each cause

Frequently asked questions about F1:1

What does F1:1 mean on a Maytag range?
F1:1 on a Maytag range means the control board has detected an oven temperature above 650°F during bake mode, which it classifies as a thermal runaway condition. The range shuts down automatically to prevent overheating damage or a fire hazard. The fault can be caused by a defective temperature sensor, a wiring problem, or an actual overheating event. Diagnosis starts with inspecting the oven temperature sensor, its harness, and all related connections.
Is it safe to use my Maytag range when F1:1 is displayed?
No, you should not continue using the oven while F1:1 is active. The code indicates either that the oven is actually overheating beyond 650°F or that a component failure is causing the control board to lose reliable temperature monitoring. Either condition presents a fire or safety risk, and the oven should remain out of service until the fault is diagnosed and repaired.
Will resetting the Maytag range clear the F1:1 error?
A power reset by unplugging the range or turning off the circuit breaker for a few minutes may temporarily clear the F1:1 code, but it will return if the underlying problem is not corrected. If the sensor, harness, or control board is defective, the runaway condition will be detected again as soon as the oven heats up. A reset is useful for confirming whether the fault is persistent, but it is not a repair.
How do I fix the F1:1 error on my Maytag range?
Start by inspecting the oven temperature sensor and checking its resistance with a multimeter. Next, examine the wiring harness from the sensor to the control board for damage, shorts, or loose connections. If the sensor and wiring check out, inspect the bake element for signs of shorting. If all those components test correctly, the electronic range control board may need to be replaced.
How much does it cost to repair a Maytag range F1:1 error?
Repair costs vary depending on the failed component. A replacement oven temperature sensor typically costs in the range of $20 to $60 for the part, making it the most affordable fix if that is the cause. A new electronic range control board can range from $100 to $300 or more for the part alone. Adding professional labor will increase the total cost, generally ranging from $150 to $400 or higher depending on the repair needed and your location.

Related Maytag range codes

All Maytag range codes
View all 106 Maytag range codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass