mypros+
Error code reference

GE Refrigerator Error Code F707

ACM/Comm communication error

GE codesGE refrigerator codes

ACM/Comm communication error - COM module not communicating properly.

First step from the service manual

Check communication module wiring.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for F707.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F707 means on a GE refrigerator

The F707 error code on a GE refrigerator indicates a communication failure between the ACM (Appliance Control Module) and the COM module (communication module). These two modules exchange data continuously to coordinate functions across the refrigerator's systems. When that data exchange breaks down or stops entirely, the control board detects the loss of communication and triggers the F707 fault to alert the technician.

The most common entry point for diagnosing this error is the wiring harness that connects the communication module to the main control board. Loose connectors, damaged wiring, or corrosion on the connector pins can interrupt the signal path and produce this fault. In some cases, the communication module itself has failed internally and is no longer capable of transmitting or receiving data properly.

Beyond wiring and the COM module, a failed ACM can also be responsible, since the fault detection originates from the control side of the communication loop. Technicians should inspect all related connectors for physical damage, test for continuity through the harness, and verify that power is being supplied correctly to the communication module before concluding that either module requires replacement.

Source: manufacturer service documentation.

Common causes of F707

  1. 01

    Loose or disconnected wiring harness

    Wiring / connection

    The connector between the communication module and the main control board may have come loose or partially disconnected. Inspect all harness connectors in the communication circuit for secure seating and signs of physical damage.

  2. 02

    Corroded or damaged connector pins

    Wiring / connection

    Moisture or oxidation on the harness connector pins can interrupt the communication signal. Look for green or white residue on the pins and check for bent or pushed-back terminals.

  3. 03

    Failed communication module

    Part replacement

    The COM module itself may have failed internally and is no longer able to send or receive data. If wiring checks out, the module will need to be replaced.

  4. 04

    Failed ACM (Appliance Control Module)

    Part replacement

    If the ACM is not functioning correctly, it may incorrectly report a communication error or genuinely be unable to communicate with the COM module. This is less common but should be considered after the wiring and COM module are ruled out.

  5. 05

    Damaged wiring in the communication harness

    Wiring / connection

    A wire in the harness between the two modules may be broken, pinched, or shorted. Continuity testing along the full harness length can confirm this.

See the test procedure for each cause

Frequently asked questions about F707

What does F707 mean on a GE refrigerator?
F707 on a GE refrigerator indicates a communication error between the ACM (Appliance Control Module) and the COM module. The two modules are not communicating properly, which causes the control system to log this fault. It is an electronics-level issue that typically involves wiring, connectors, or one of the two modules.
Can I fix the F707 error myself?
A knowledgeable DIYer can start by checking the wiring harness connections to the communication module, making sure all connectors are fully seated and free of corrosion. If the wiring looks intact and the error persists, replacing the COM module or ACM typically requires ordering the correct part and comfort working with control board components. If you are not confident working with refrigerator electronics, a qualified technician is the safer option.
Is it safe to keep using my refrigerator with an F707 error?
A communication fault between the ACM and COM module can affect how the refrigerator manages its systems, potentially impacting temperature control or other functions. It is best to address the error promptly rather than ignoring it. Monitor the refrigerator's temperatures closely and avoid storing highly perishable items until the fault is resolved.
How much does it cost to repair an F707 error on a GE refrigerator?
If the fix is simply reseating a connector, the cost is minimal and may only involve a service call fee, typically in the range of $75 to $150. If the communication module or ACM needs replacement, parts and labor combined can run anywhere from $150 to $400 or more depending on the specific model and local labor rates.
Will resetting the refrigerator clear the F707 error code?
Resetting the refrigerator by unplugging it for a few minutes may temporarily clear the F707 code, but if the underlying wiring or module problem has not been fixed, the error will return. A reset is useful for confirming whether the fault is intermittent, but it is not a substitute for proper diagnosis and repair of the communication circuit.

Related GE refrigerator codes

All GE refrigerator codes
View all 540 GE refrigerator codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass