Error code reference
GE Oven Error Code F100
Upper Machine Control processor failure.
Upper Machine Control processor failure.
First step from the service manual
1
Replace the upper Machine Control board.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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F100 on my GE Oven
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Upper Machine Control processor failure
From Service Manual 430745, p.37:
1.Replace the upper Machine Control board.
2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.
3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.
Part WR55X10942
Main control board
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- C1Communication Fail with Upper Relay Board.
- C2Communication fail with upper temperature encoder.
- C3Communication fail with upper mode encoder.
- C4Communication Fail with Lower Relay Board.
- C5Communication fail with lower temperature encoder.
- C6Communication fail with lower mode encoder.
View all 134 GE oven codes
- CXCommunication error (general).
- doorOven door switch is in the C to NC position or lock motor…
- EEEEError displayed when an invalid time entry is made (e.g…
- ENTERING SALES MODEDuring power-up, L1-L2 is between 90VAC and 150VAC and L1-N…
- ERRA temperature was set outside the allowable range of…
- ERRORError displayed when temperature is set below 80°F or above…
- FFunction error code indicated by 'F' followed by a number…
- F– and a number or letterFunction error code indicating a control or component…
- F0Oven exceeded 590°F with door in unlocked position or…
- F0-E0Default F code
- F1Oven cavity thermistor open
- F1-E0Electronic control malfunction (E0).
- F1-E1Electronic control malfunction (E1).
- F1-E2Electronic control malfunction (E2).
- F1-E3Electronic control malfunction (E3).
- F1-E4Electronic control malfunction (E4).
- F1-E5Electronic control malfunction (E5).
- F10Upper/Single door latch switch circuit fault.
- F101Lower Machine Control processor failure.
- F102User Interface data failure (CRC)
- F11Upper/Single door latch switch circuit fault.
- F12Lower oven door latch switch circuit fault.
- F13Lower oven door latch switch circuit fault.
- F14Machine Control upper/single door latch circuit fault.
- F15Machine Control upper/single door latch circuit fault.
- F16Machine Control lower door latch circuit fault.
- F17Machine Control lower door latch circuit fault.
- F2Double Line Break Relay is ON in a non-cooking/clean mode…
- F2-E0Keypad keytail not connected.
- F2-E1Key held down too long, or key is shorted.
- F20Upper oven sensor circuit fault
- F21Oven temperature climbed above the Error Unlock Temperature…
- F22Lower oven temperature climbed above Error Unlock…
- F23Lower oven temperature climbed above Error Lock Temperature…
- F3Open sensor or open sensor circuit; sensor lead shorted to…
- F3-E0Temperature sensor (lower) opened.
- F3-E1Temperature sensor (lower) shorted.
- F3-E2Temperature sensor (microwave) opened.
- F3-E3Temperature sensor (microwave) shorted.
- F30Upper oven sensor circuit fault related to oven sensor…
- F31Upper oven sensor circuit fault related to oven sensor…
- F32Lower oven sensor circuit fault related to oven sensor…
- F33Lower oven sensor circuit fault related to oven sensor…
- F34Upper oven calibration CRC failure or difference between…
- F35Lower oven calibration CRC failure or difference between…
- F36Machine Control upper cooling fan running too fast.
- F37Machine Control lower cooling fan running too fast.
- F4Open or shorted oven temperature sensor or sensor circuit…
- F4-E0Meat probe shorted.
- F40Upper oven meat probe circuit shorted (Machine Control…
- F41Lower oven meat probe circuit shorted (Machine Control…
- F5Control sensor circuit supervisor error
- F5-E0Lower cavity over temperature while cleaning.
- F5-E1Lower cavity over temperature during cooking.
- F6High cavity temperature detected during microwave oven…
- F6-E0Microwave cavity over temperature during cooking.
- F6-E1Self-clean latch will not lock.
- F6-E2Self-clean latch will not unlock.
- F60Loss of communications to upper machine control (Machine…
- F61Communication loss to the upper temp encoder.
- F62Communication loss to the Upper Mode Encoder.
- F63Loss of communications to lower machine control (Machine…
- F64Communication loss to the lower temp encoder.
- F65Communication loss to the Lower Mode Encoder.
- F66Loss of communications to user interface (Machine Control…
- F7Double Line Break Relay is ON in a non-cooking/clean mode…
- F70ERC detecting a continuous keypanel press (T012 tactile) or…
- F71ERC detects continuous keypanel press (T012 tactile) or…
- F72Glass touch input fault (T012 glass touch units).
- F73Glass touch input fault (T012 glass touch units).
- F74Glass touch input fault (T012 glass touch units).
- F75Glass touch input fault (T012 glass touch units).
- F76Machine Control upper oven sensor fault
- F77Glass touch input fault (T012 glass touch units).
- F78Glass touch input fault (T012 glass touch units).
- F79Machine Control lower oven sensor fault
- F7AMachine control glass touch detects a stuck key other than…
- F7BMachine control glass touch detects a stuck START key.
- F7CUpper CLEAR key stuck condition (Machine Control glass…
- F7dLower CLEAR key stuck condition (Machine Control glass…
- F7EGlass touch communication failure (Machine Control).
- F7FGlass Touch CRC failure or any error that GT reports in…
- F8Glass touch failure
- F8-E0Oven over temperature while door open and latch lock.
- F8-E1Oven over temperature while door open and latch unlock.
- F8-E4Oven over temperature while door closed and latch unlock.
- F80Internal electronic problem in the upper machine control or…
- F81Internal electronic problem in the lower machine control or…
- F82User interface parametric data CRC failure or RAM check…
- F9Clean FAD (Fan Apparency Device) thermal cutoff has opened…
- F90Upper oven door becomes locked while expected to be…
- F91Oven door becomes unlocked while it is expected to be…
- F92Upper oven Unlock Home and Lock Home are true…
- F93Lower oven door becomes locked while expected to be…
- F94Lower oven door becomes unlocked while expected to be…
- F95Lower oven unlock home and lock home are true…
- F96The speed of the cooling fan is below the minimum fan speed…
- F97Lower cooling fan speed is below the minimum fan speed…
- F98The speed of the cooling fan is below the minimum fan speed…
- F99Lower cooling fan speed is above the maximum fan speed…
- FAKey panel fault
- FbBoard sees a stuck START key.
- FCLook for welded relay contacts (heating elements on in off…
- FdProcessor/electronic problem internal to the T7 control…
- FEGlass touch COMMUNICATION failure.
- FFGlass touch Cyclic Redundancy Check (CRC) failure
- HOTOven temperature is above 150°F, preventing proofing mode…
- Humidity Sensor OPENAny defect of the humidity sensor will display OPEN…
- LOCControl lockout is active; touch pads are locked and cannot…
- LOC ONControl lockout is active; all touch pads are disabled and…
- LOCKLock switch circuit open (flashing on display).
- LOCK DOORSelf-clean cycle has been selected but the oven door is not…
- LOW POWERAfter power-up, L1-L2 voltage is below 150VAC indicating…
- Lower Thermal Sensor OPENThe lower thermal sensor circuit is open, indicating a…
- Lower Thermal Sensor SHORTEDThe lower thermal sensor circuit is shorted, indicating a…
- PFPower Failure indicator appears on display when electrical…
- PROBDisplayed when temperature probe is accidentally left…
- PROBEProbe not inserted properly into oven receptacle or food…
- RESETAppears in the upper display after power is first connected…
- SENSE 120V ENTERING SALES MODEDuring power-up, L1-L2 is between 90VAC and 150VAC and L1-N…
- SENSOR ERRORFood amount or type placed in the oven does not match the…
- SERVICE MAY BE NEEDEDDisplayed scrolling with sensor failure messages to alert…
- SUPPLY MISWIREDPower monitor error indicating supply is miswired
- SUPPLY OPEN NEUTRALPower monitor detects L1-N voltage below 90VAC during…
- Upper Thermal Sensor OPENThe upper thermal sensor circuit is open, indicating a…
- Upper Thermal Sensor SHORTEDThe upper thermal sensor circuit is shorted, indicating a…
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