Same problem My oven door is locked and the F3 error will not go off.

Whirlpool-KitchenAid-Roper Appliances: Oven Fault Codes:
>>Exception Note:<<
Chart below does not apply to Whirlpool Models using the "Y" line in the products model numbers. Applies to models using 4 digit displays only.

F0-E0 Analog to Digital failure
Disconnect panel for 30 seconds
Should the above error re-appear, replacement of the control is required.
F1-E1 Defective ERC Replace ERC
F2-E0 Shorted Keypad Replace Keypad
F3-E0 Sensor or Sensor Fuse Open Replace Sensor or Fuse
F3-E1 Shorted wire or Sensor locate short and correct it or replace Sensor
F3-E2 Oven over heat Replace Sensor
F3-E3 Cleaning Temp over heat Replace Sensor
F5-E0 Door Error Check Door
F5-E1 Door Latch Check Latch
F5-E2 Door Switch Check Switch

GE / Hotpoint / RCA
Oven Fault Codes
Display Condition Remedy
F0 & F1 Failed Thermistor Control Replace ERC
F2 Oven Temp Exceeds 590 with unlocked door High resistance in Sensor, likely a bad sensor
F3 Open Sensor circuit Open (blown) sensor fuse or bad Sensor
F4 Shorted wire or Sensor locate short and correct it
F7-A Function pad button stuck Clean and unstick
F7-B Bad Clock Replace Clock
F8 Electrical component failure Replace ERC
F9 Program with door circuit Check wiring

Frigidaire / Westinghouse / Tappan / Gibson
Oven Fault Codes
Display Condition Remedy
F0 & F1 EOC failure Replace EOC
F2 Oven over heat Defective Sensor or EOC
F3 Oven Sensor Open Replace Sensor
F4 Shorted wire or Sensor locate short and correct it
F5 EOC failure Replace EOC
F6 EOC failure Replace EOC
F7 EOC failure Replace EOC


Maytag / MAYCOR / Magic Chef / Jennair / Admiral
Oven Fault Codes
Display Condition Remedy
F0 Function key shorted or stuck button Clean and unstick button or replace Touch Pad or Clock
F1 Defective Touch Pad or Membrane Replace Touch Pad or Membrane
F2 Oven over heat defective Relay Board or (if present) or defective Sensor
F3 Oven Sensor Open Replace Sensor
F4 Shorted wire or Sensor locate short and correct it or replace Sensor
F5 Hardware, safety circuits disagree Replace Clock
F6 Missing AC (power) signal Check for proper voltage (plug, breaker, etc.)
F7 Function key shorted or stuck button Clean and unstick button or replace Touch Pad or Clock
F8 A/D Warning Replace Clock
F9 Door Lock Warning Check door lock circuit or Replace Clock


Amana / Caloric
Oven Fault Codes
Type with display - glass link ERC
Display Condition Remedy
F0 No Safety Signal Replace adapter board
F1 No Safety Signal Replace ERC
F2 Oven over heat Replace defective Sensor
F3 Oven Sensor Open Replace Sensor
F4 Shorted wire or Sensor locate short and correct it or replace Sensor
F7 Shorted Touch Panel Replace Glass Panel
F9 Door Latch Error Check latch
FF Lock Error Check switch and motor
ERC III - Relay board with separate board/push buttons
F0 Shorted Push Pad Replace Push Pad
F1 Defective ERC Replace ERC
F2 Oven over heat Replace defective Sensor
F3 Oven Sensor Open Check/Replace Sensor
F4 Shorted wire or Sensor locate short and correct it or replace Sensor
F5 Defective ERC Replace ERC
F6 Defective ERC Replace ERC
F7 Shorted or sticking button Clean button or replace touch pad
F8 Defective ERC Replace ERC
F9 Door Latch Error Check latch


The following diagnostic chart Does not apply to Whirlpool 'Y' line products. If the model number contains a Y near the end of the number, DO NOT use this chart.
Whirlpool / KitchenAid / Roper
Oven Fault Codes
Ovens with 4 digit displays
Display Condition Remedy
F0-E0 Analog to Digital failure Disconnect panel for 30 seconds. if error re-appears then replace control
F1-E1 Defective ERC Replace ERC
F2-E0 Shorted Keypad Replace Keypad
F3-E0 Sensor or Sensor Fuse Open Replace Sensor or Fuse
F3-E1 Shorted wire or Sensor locate short and correct it or replace Sensor
F3-E2 Oven over heat Replace Sensor
F3-E3 Cleaning Temp over heat Replace Sensor
F5-E0 Door Error Check Door
F5-E1 Door Latch Check Latch
F5-E2 Door Switch Check Switch
Ovens with 2 Digit Displays
F0 Defective ERC Replace ERC
F1 Defective ERC Replace ERC
F2 Oven over heat Replace defective Sensor
F3 Oven Sensor Open Check/Replace Sensor
F4 Shorted wire or Sensor locate short and correct it or replace Sensor
F5 Defective ERC Replace ERC
F6 Problem with time keeping circuit Reset Time or cooking operation and check for proper ground
F7 Shorted or sticking button Clean button or replace ERC
F8 Defective ERC Replace ERC
F9 Door Latch Error Check latch and latch circuit


If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61

You have a faulty keypad. You could probably special order this part from a local appliance parts supply store for 50-60$ or purchase a new microwave.

All F3-E Codes - Oven Temperature Sensor (RTD) or Warming Drawer Defect - Replace oven temperature sensor (RTD).


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All F3-E Codes - Oven Temperature Sensor (RTD) or Warming Drawer Defect - Replace oven temperature sensor (RTD).


Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question

The lock motor may have failed. On many freestanding stoves the lock motor is located in the right rear (looking from the front) with a long rod connected to the lock. remove the motor and unhook the rod from the motor cam.

Whirlpool-KitchenAid-Roper Appliances: Oven Fault Codes:
>>Exception Note:<<
Chart below does not apply to Whirlpool Models using the "Y" line in the products model numbers. Applies to models using 4 digit displays only.

F0-E0 Analog to Digital failure
Disconnect panel for 30 seconds
Should the above error re-appear, replacement of the control is required.
F1-E1 Defective ERC Replace ERC
F2-E0 Shorted Keypad Replace Keypad
F3-E0 Sensor or Sensor Fuse Open Replace Sensor or Fuse
F3-E1 Shorted wire or Sensor locate short and correct it or replace Sensor
F3-E2 Oven over heat Replace Sensor
F3-E3 Cleaning Temp over heat Replace Sensor
F5-E0 Door Error Check Door
F5-E1 Door Latch Check Latch
F5-E2 Door Switch Check Switch