Whirlpool Microwave Error Codes

Whirlpool microwave ovens are popular kitchen appliances known for their reliability and performance. However, like any electronic device, they can encounter errors and malfunctions from time to time. Whirlpool has designed their microwaves with a sophisticated error code system to help users diagnose and troubleshoot problems effectively. In this comprehensive guide, we will explore common Whirlpool microwave error codes and their meanings, along with detailed steps to address these issues.

Understanding Whirlpool Microwave Error Codes


Here are some of the most common Whirlpool microwave error codes:

F1 Error Code

Description: The F1 error code typically indicates a problem with the microwave’s control board or the touchpad.

Troubleshooting Steps:

  1. Try resetting the microwave by unplugging it from the power source for a few minutes and then plugging it back in.
  2. If the F1 error persists, it may require professional service to diagnose and replace the faulty control board or touchpad. You can contact Whirlpool customer service or a certified technician for assistance.

F2 Error Code

Description: An F2 error code often points to a problem with the microwave’s temperature sensor or thermostat.

Troubleshooting Steps:

  1. Reset the microwave by unplugging it and then plugging it back in.
  2. If the F2 error remains, contact Whirlpool customer service or a qualified technician to check and potentially replace the temperature sensor or thermostat. These components are critical for ensuring safe and accurate cooking.

F3 Error Code

Description: The F3 error code typically indicates an issue with the microwave’s keypad or touchpad.

Troubleshooting Steps:

  1. Begin by resetting the microwave as mentioned earlier.
  2. If the F3 error continues, you may need to replace the keypad or touchpad. Consult the microwave’s user manual or contact Whirlpool support for guidance. It’s important to address keypad issues promptly to maintain precise control over cooking settings.

F4 Error Code

Description: An F4 error code signifies a problem with the microwave’s humidity sensor.

Troubleshooting Steps:

  1. Reset the microwave and check if the error persists.
  2. If it does, the humidity sensor may need replacement. Consult Whirlpool’s service center for assistance. The humidity sensor plays a crucial role in sensor cooking modes, so replacing it is essential for accurate cooking results.

F5 Error Code

Description: The F5 error code is often linked to a faulty power relay or circuit board issue.

Troubleshooting Steps:

  1. Unplug the microwave and plug it back in to reset it.
  2. If the F5 error remains, it’s advisable to seek professional help to diagnose and repair the power relay or circuit board. These components are integral to the microwave’s power distribution and control systems.

Sensor Errors

Error CodeDescriptionSolutionPossible CauseAppliance Model
F1Sensor failureReplace the sensorFaulty sensorAll Models
F2Sensor open or shortedCheck sensor wiringWiring issueAll Models
F3Sensor circuit is openInspect sensor connectionSensor malfunctionAll Models
F4Sensor circuit is shortedCheck sensor wiringSensor malfunctionAll Models
F5Sensor cooking errorCheck food placementFood not cooked evenlyAll Models

Power and Display Errors

Error CodeDescriptionSolutionPossible CauseAppliance Model
P1Power failureCheck power sourcePower outageAll Models
P2Door not closed properlyEnsure the door is closedDoor sensor issueAll Models
P3Display communication errorRestart the microwaveControl board malfunctionAll Models
P4Display not workingReplace the display panelDisplay panel failureAll Models
P5Keypad errorReplace the keypadKeypad malfunctionAll Models

Heating Issues

Error CodeDescriptionSolutionPossible CauseAppliance Model
H1No heatCheck power and settingsMagnetron failureAll Models
H2OverheatingAllow the microwave to cool downInadequate ventilationAll Models
H3Microwave turns offCheck power and resetHigh voltage capacitor issueAll Models
H4Uneven heatingRearrange food or use a different containerTurntable malfunctionAll Models
H5Food not cookingCheck settings and food placementInadequate cooking timeAll Models

Door and Safety Issues

Error CodeDescriptionSolutionPossible CauseAppliance Model
D1Door not latching properlyEnsure the door is closed and latchedDoor switch malfunctionAll Models
D2Door stuckGently push or pull the door to release itDoor jammedAll Models
D3Child lock activatedDeactivate child lockChild lock engagedAll Models
D4Door not openingPower cycle the microwaveDoor mechanism issueAll Models
D5Safety thermostat trippedAllow the microwave to cool downOverheating safety featureAll Models

Miscellaneous Errors

Error CodeDescriptionSolutionPossible CauseAppliance Model
M1Control panel errorRestart the microwaveControl panel malfunctionAll Models
M2Turntable not turningCheck turntable and motorTurntable or motor issueAll Models
M3Fan not workingCheck ventilation and fan motorFan malfunctionAll Models
M4Internal light not workingReplace the bulbBulb failureAll Models
M5Unusual noisesCheck for foreign objectsForeign object obstructionAll Models



Understanding Whirlpool microwave error codes is essential for efficient troubleshooting and maintenance. When these error codes appear, it’s crucial not to ignore them, as they can help you pinpoint the specific problem affecting your microwave. In many cases, simple resets can resolve the issue, but for more complex problems, it’s recommended to contact Whirlpool’s customer support or a certified technician to ensure safe and effective repairs.

Regular maintenance and prompt attention to error codes can prolong the life of your Whirlpool microwave and keep it functioning at its best. Remember to consult your microwave’s user manual for specific error code information and troubleshooting steps tailored to your model.


Whirlpool Microwave Error Codes

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