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Error code reference
GE Oven Error Code F66
Loss of communications to user interface (Machine Control only).
Diagnostic procedure
The full F66 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check connections and harness on J3/J5 on User Interface and J700 on upper and lower machine controls; check for status LED on each board, if wiring good and no indicator replace board without flashing LED.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
3 manuals in the MyPros+ library document this code for GE oven.
Models covered by the manuals that document this code
- CT9800SH1SS
- JK-JK-JK-P
- JK-JK-P
- JK1000
- JK1000DF1BB
- JK1000DF2BB
- JK1000DF3BB
- JK1000SF1SS
- JK1000SF2SS
- JK1000SF3SS
- JK3000
- JK3000DF1BB
- JK3000DF1CC
- JK3000DF1WW
- JK3000DF2BB
- JK3000DF2CC
- JK3000DF2WW
- JK3000DF3BB
- JK3000DF3CC
- JK3000DF3WW
- JK3000SF1SS
- JK3000SF2SS
- JK3000SF3SS
- JK3500
More models are covered than are listed here.
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