Admiral Oven Error Code F2: Oven Temperature Too High... | appliancefaults.com

Technical Background:

The oven's main control unit (MCU) monitors the oven temperature via a resistance temperature detector (RTD). The RTD's resistance changes with temperature. The MCU interprets this resistance and controls the heating elements through relays. When the MCU detects a temperature exceeding the setpoint by a large margin, it triggers the F2 error code. This can be due to a faulty sensor, wiring, or a relay stuck in the 'on' position, causing continuous heating.

Symptoms:

The oven displays error code F2. The oven may overheat or reach a higher temperature than set. Food may burn easily. The oven may shut off prematurely.

Possible Causes:

Faulty oven temperature sensor (RTD).
Shorted oven temperature sensor wiring.
Defective oven control relay on the control board.
Stuck or welded oven relay.
Main control board failure.
Incorrect oven calibration.

Solution:

1

Disconnect power to the oven at the breaker panel.
2

Locate the oven temperature sensor (RTD) inside the oven cavity, usually at the top or back. Use a 1/4-inch nut driver to remove it.
3

Using a multimeter, check the resistance of the RTD. A typical RTD should read around 1080 ohms at room temperature (70°F). Consult the service manual for the exact specification. Replace if out of range.
4

Inspect the wiring harness and connector to the RTD for any signs of damage, shorts, or corrosion. Repair or replace as needed.
5

If the sensor and wiring are good, check the oven control relay on the main control board. Look for signs of burning or damage. You might need to trace the RTD wiring back to the board and test for continuity.
6

As a last resort, replace the main control board. Make sure to get the correct replacement part for your specific model. Calibrate the oven after replacement following the service manual instructions.
7

Reconnect power to the oven at the breaker panel.

Safety Warning:

Disconnect power to the oven at the breaker panel before performing any repairs. Lock Out / Tag Out (LOTO) procedures should be followed. The oven may contain 120V AC and 240V AC circuits. Exercise caution when working with electrical components.

Prevention:

Regularly clean the oven to prevent grease buildup on the temperature sensor. Periodically check the oven temperature with an oven thermometer to ensure it is accurate.

Expert Tip:

Some Admiral ovens have a service mode that allows you to monitor the oven temperature sensor reading in real-time. To enter service mode, press and hold the 'Bake' and 'Broil' buttons simultaneously for 5 seconds. Refer to the service manual for specific instructions.

Frequently Asked Questions

•Where is the oven temperature sensor located in my Admiral oven?

The oven temperature sensor is usually located at the top or rear wall inside the oven cavity. It's a small probe-like component attached with screws.

•How do I calibrate my Admiral oven after replacing the control board?

Oven calibration procedures vary by model. Consult the service manual for the specific calibration procedure for your oven. Typically, it involves entering a service mode and adjusting the temperature offset.

•What is the typical resistance range for an Admiral oven temperature sensor (RTD)?

A typical RTD sensor reads about 1080 ohms at room temperature (70°F). The exact resistance will vary with temperature. Consult the service manual for the precise resistance chart for your model.

Admiral Oven Error Code F2: Oven Temperature Too High Troubleshooting

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•Where is the oven temperature sensor located in my Admiral oven?

•How do I calibrate my Admiral oven after replacing the control board?

•What is the typical resistance range for an Admiral oven temperature sensor (RTD)?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: