Amana Range Error Code F20: Control Board Fault... | appliancefaults.com

Technical Background:

The F20 error code on an Amana range typically indicates a fault within the main control board. This board houses the Microcontroller Unit (MCU) that manages the oven's functions. The MCU relies on stable voltage and proper communication with sensors and other components. Voltage fluctuations or internal component failures can disrupt the MCU's operation, triggering the F20 error.

Symptoms:

The homeowner reports the Amana range displaying an F20 error code. The oven may not heat, or the display panel may be unresponsive. The range may be completely inoperable or exhibit erratic behavior.

Possible Causes:

Main control board failure.
Corrupted firmware on the control board.
Voltage fluctuations affecting the control board.
Loose wiring connections to the control board.
Component failure on the control board itself.
Power surge damage.

Solution:

1

Disconnect power to the range at the breaker panel.
2

Access the main control board. This usually involves removing the rear panel or the control panel trim using a 1/4-inch nut driver.
3

Visually inspect the control board for any signs of damage, such as burnt components or swollen capacitors.
4

Check the wiring connections to the control board. Ensure all connectors are securely attached.
5

Use a multimeter to check the voltage supply to the control board. You should typically see 120V AC at the power input.
6

If voltage is correct and connections are secure, the control board is likely faulty and needs replacement.
7

After replacing the control board, verify proper operation and ensure the F20 error code is resolved. Run a bake cycle at 350 degrees Fahrenheit to confirm proper heating.

Safety Warning:

Always disconnect power to the range at the breaker panel before performing any repairs. This is a Lock Out Tag Out (LOTO) procedure. High voltage is present inside the appliance and can cause serious injury or death.

Prevention:

To prevent future control board failures, consider using a surge protector for the range. Regularly inspect the wiring connections for tightness and signs of corrosion. Avoid overloading the electrical circuit.

Expert Tip:

Some Amana ranges have a service mode that allows for diagnostics and calibration. Consult the service manual for the specific model to access this mode. Often, pressing and holding two specific buttons simultaneously for several seconds will activate the service mode.

Frequently Asked Questions

•How can I tell if the control board is receiving the correct voltage?

Use a multimeter set to AC voltage. Place the probes on the power input terminals of the control board. You should read approximately 120V AC.

•Where can I purchase a replacement control board for my Amana range?

Replacement control boards can be purchased from appliance parts suppliers online or from local appliance parts stores. Be sure to have the model number of your range handy to ensure you get the correct part.

•Is it possible to repair a damaged control board, or is replacement the only option?

While it is possible to repair some control boards by replacing individual components, this requires specialized knowledge and equipment. For most technicians, replacing the entire control board is the more practical and reliable solution.

Amana Range Error Code F20: Control Board Fault Troubleshooting

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•How can I tell if the control board is receiving the correct voltage?

•Where can I purchase a replacement control board for my Amana range?

•Is it possible to repair a damaged control board, or is replacement the only option?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: