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Error code reference

GE Range Error Code F6 E4

Lost communication between display board and power board.

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What the F6 E4 error code actually means

Your GE range is showing this error because the two main circuit boards inside the appliance have stopped communicating with each other. This is similar to a lost connection between two devices, and the range shuts down as a safety measure. The fix is often as simple as reseating a loose wiring connector, though in some cases a wiring harness or board replacement may be needed.

Diagnostic procedure

The full F6 E4 procedure

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1
First diagnostic step
Unplug range or disconnect power, open back panels and verify P2 connector is fully plugged in on both the power board and display board.
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Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of F6 E4

Ranked by how often they cause this code
  1. 1Loose or unseated P2 connector
  2. 2Damaged wiring harness
  3. 3Corroded or damaged connector terminals
  4. 4Failed display board
  5. 5Failed power board

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Questions people ask about F6 E4

What does F6 E4 mean on a GE range?
F6 E4 indicates that the display board and power board have lost communication with each other. These two boards must exchange signals continuously for the range to operate, and when that link is broken the control system triggers this fault code. The range will typically stop functioning normally until the communication issue is resolved.
Will resetting the range clear the F6 E4 code?
A power reset by unplugging the range for a few minutes may temporarily clear the code, but if the underlying connection problem is not fixed, the error will return when communication between the boards fails again. A reset alone is not a repair. Physically inspecting and reseating the P2 connector is necessary to address the root cause.
How much does it cost to repair a GE range with an F6 E4 error?
If the fix is simply reseating a connector, there is no parts cost involved. If the wiring harness needs replacement, parts typically run in the range of $30 to $80 depending on the model. A display board or power board replacement generally costs between $100 and $300 or more for parts, with additional labor costs if a technician is doing the work.
Can I fix the F6 E4 error myself without calling a technician?
In many cases, yes. The most common fix is unplugging the range, removing the back panels, and firmly reseating the P2 connector at both the display board and power board. If that resolves the code, no parts are needed. If the fault returns or persists, further diagnosis involving the wiring harness or boards may require more technical comfort or professional help.
Is it safe to use my GE range while it is showing F6 E4?
It is not recommended. The F6 E4 fault means the control system cannot reliably communicate between its main boards, which can result in unpredictable operation or a complete loss of control over the heating elements. The range should remain unplugged or powered off until the fault is properly diagnosed and corrected.

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