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Whirlpool Microwave Error Codes
147 error codes for Whirlpool microwave models. Each links to the full diagnostic procedure from the service manual.
CodeDescription
-F2-Keyboard failure-F3-Thermistor failure:Power failure indication888:88Displayed after power has been interrupted to indicate a power interruption has…E1Keypad not connected.E1 E5Oven user interface failure.E2Temperature sensor opened.E3Temperature sensor shorted.E4Oven temp too high.Enter clockPower failure has occurred; display flashes 'Enter clock' until CANCEL is…ERREEPROM error (listed as additional error condition alongside ERR 8).ERR 0Convection temperature sensor errorERR 1Short circuit in the MW (microwave) relay.ERR 2Keyboard error.ERR 3Key error when one of the buttons is pressed longer than 1 minute.ERR 5Magnetron temperature sensor error.ERR 6Weight sensor calibration was not performed correctly.ERR 8Impossible to write to E2 PROM.ERR 9Options were not correctly selected.ERR ANo wheel detected on weight sensor.MyPros+ Max
Get the full diagnostic procedure for any Whirlpool microwave error code.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts
- Verified part numbers when replacement is required
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ERR BNo pulses from the weight sensor or frequency less than 4267 Hz.ERR CFuzzy temperature sensor errorERR dNTC overheat protection on the magnetron is faulty (not connected or short…Err4Ambient temperature sensor value is outside the allowed range (displayed during…Err7Humidity sensor PWM value out of allowed range (displayed during diagnostic…ErrorGeneral error indication displayed on the control panel, accompanied by tones…F0Default F codeF0-E0Default F codeF1No displayF1 E0Check oven user interfaceF1 E2Check microwave user interfaceF1 E3Check microwave appliance managerF1 E5Check microwave inverterF1:CFHardware configuration mismatch between electronic control board and display…F1:E4Microwave relay failure.F1:PrSoftware type mismatch in electronic control board.F1.E1Relay Control Board defective.F10Display error.F1E1Internal errorF1E3-0ACU Relay FailureF1E3-AMWO Cooling Fan FailureF1E4Microwave relay (Relay 4903 on PCBA) failureF1E6Microwave oven wave guide thermistor failure.F2-E0Temperature sensor opened (R=2875 ohm by spec).F2-E2Oven temp too highF2-E3Oven temp too highF2-E5CANCEL key drive line open.F2-E6CANCEL key drive line open.F2:E1Keyboard failureF2.H1Hood/light switch stuck.F2.H2Hood/light switch defective.F2.Q1User interface board (UIB) is not reading keypad inputs.F2E1Power failure indication; display shows 'Enter clock' flashing after a power…F2KKey or foil pressed more than 1 minute.F2TTouch panel (LCD) pressed more than 1 minute.F3 E2Warming drawer sensor shorted or open (oven not equipped with this feature).F3-E0Door is open but latch is locked (door switch open indicating open door, latch…F3-E1Oven temp too highF3-E3Oven temp too highF3.H1Humidity sensor failure.F3.T1UIB (user interface board) thermistor failure.F3.T2FC (forced convection) thermistor failure.F3.T4Magnetron thermistor failure.F3CCavity temperature sensor failure.F3E3-0Meat Probe FailureF3E4Main oven powered accessory (PA) sensor open or shorted.F3E6Powered Accessory (PA) over temperature.F3E8IR sensor failureF3HHumidity sensor failureF3TTemperature sensor out of range.F4Microwave sensors failureF4-E0Meat probe shorted.F4:E1Magnetron temperature sensor failure (software error).F4E1Cavity NTC failureF4E1-0Cavity NTC FailureF4E1-1Cavity NTC FailureF4E2Microwave internal (ambient) temperature sensor failure (integrated on MW…F4E3Hood NTC failureF4E4Humidity sensor failureF4E5Microwave weight sensor not within normal value.F4E6Microwave wave-guide heat sensor failure.F4E7Microwave probe failure.F4E8Microwave Oven Humidity Sensor Error.F4E9MW relay synchronization Error 1F4EAToast NTC failure-OpenedF4EA-0Toast NTC FailureF4EA-1Toast NTC FailureF5Microwave door switch not operating correctly (no specific E code identified…F5-E0Door is open but latch is locked (door switch is open indicating open door, and…F5-E5Self-clean temperature 288°C (550°F) not reached within 45 minutes.F5-E7Self-clean latch will not unlock.F5E1Door latch not operatingF5E2Open door failureF5E3Door and latch switch do not agree (lower oven).F5E4Latch not operating (lower oven).F5E6Oven user interface lost communication.F6Return line not connectedF6 E0Oven user interface lost communication / Oven appliance manager lost…F6 E5No cavity size commandF6 E6Lost communication (contextF6 EAOver temperature (two contextsF6:E0Communication error between display board and electronic control board.F6E1ACU/HMI communication faultF6E1-0ACU/HMI Communication FaultF6E2Excessive oven temperature in Clean mode.F6E3Mini oven/warm drawer over temperatureF6E4Lost communications with Microwave Oven Appliance Manager.F6E8Lost communications with Microwave Oven Appliance Manager (also listed as Oven…F6E9Oven appliance managerF7Power magnetron interruptedF7E0Insufficient water level, or excessive heating time to boil water (steam…F7E1Boiler over temperature condition.F7E2Boiler NTC temperature sensor out of range.F7E3Improper filter resetF7E4Conductivity sensor not connected.F7E9Vent errorF8-E4Oven over temperature while door close and latch unlock.F8E0Low fan speed underspeedF8E1Low fan speed overspeedF8E2High fan speed underspeedF8E3High fan speed overspeedF8E5Exhaust air template detector (exhaust air temperature sensor) failure.F9Relay Control Board communications error.F9.QTouch communication error between UIB and touch panel board.F9CE2PROM Checksum error.F9EE2PROM empty.F9E0Product not wired correctly (house wiring issue, neutral may be switched with…F9ME2PROM (Electrically Erasable Programmable Read-only Memory) missing.F9WE2PROM write error.FBE4MWO Cooling fan error.FCE1Loss of communication between Wi-Fi module and control.FCE2Exhaust air template detector failure (HF NTC thermistor failure).FCE3Appliance failed to connect to the wireless router.FCE7Appliance failed to connect to the wireless router.FDE3Hood fan relay failureFDE4MWO Cooling fan errorFlashing colon ":"Power failure indication.Microwave Oven Inverter ErrorMicrowave oven inverter communication or operation error.MV-4903MW Relay failure (relay contact on ACU has welded closed).No DisplayThermal fuse, Copernicus Appliance Manager, or User Interface failure causing…noCFSoftware configuration error in display board.NTC OPENHF NTC thermistor is open (displayed as 'NTC OPEN, CALL FOR SERVICE' scrolling…NTC OPEN, CALL FOR SERVICEHood NTC thermistor has an open circuit condition.NTC SHORTHF NTC thermistor is shorted (displayed as 'NTC SHORT, CALL FOR SERVICE'…NTC SHORT, CALL FOR SERVICEHood NTC thermistor has a short circuit condition.PROBEMissing probe or invalid probeSABOven is in Sabbath Mode.