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Error code reference

GE Refrigerator Error Code R-1- (segment d)

Refrigerator Fan Error

GE codesGE refrigerator codes

Refrigerator Fan Error – fan motor feedback signal line contact error, motor wire separation, or motor error.

First step from the service manual

Check voltage of MAIN PCB CN75 orange to gray; should be between 7V to 12V.

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

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What R-1- (segment d) means on a GE refrigerator

The R-1- (segment d) error code on a GE refrigerator indicates a Refrigerator Fan Error. Specifically, the control system has detected a problem with the refrigerator compartment fan motor's feedback signal. The main PCB monitors a dedicated feedback signal line to confirm the fan motor is spinning at the correct speed. When that signal is absent, erratic, or outside the expected parameters, the board logs this fault. The three root conditions that trigger it are: a contact error on the feedback signal line, physical separation of the motor wiring, or an internal motor failure.

The first diagnostic step focuses on the main PCB connector CN75. A technician should measure the voltage between the orange wire and the gray wire at CN75. A healthy circuit will read between 7V and 12V. A reading outside this range points to either a wiring issue between the board and the fan motor or a failure at the board output itself. If voltage is within range but the fan is still not operating correctly, the motor itself is the likely culprit. The feedback signal is how the PCB knows the fan is running, so a broken or disconnected wire can mimic a failed motor from the board's perspective.

The refrigerator fan is responsible for circulating cold air from the evaporator coils throughout the fresh food compartment. If this fan is not running, the refrigerator section will lose its ability to maintain proper temperature even if the compressor and freezer system are functioning normally. Addressing this error promptly is important to prevent food spoilage and compressor overwork.

Source: manufacturer service documentation.

Common causes of R-1- (segment d)

  1. 01

    Loose or disconnected fan motor wiring

    Wiring / connection

    The wire harness connecting the refrigerator fan motor to the main PCB can loosen or separate at the connector, breaking the feedback signal. Inspect the wiring at CN75 on the main PCB and at the motor connector for any disconnected, corroded, or damaged terminals.

  2. 02

    Faulty feedback signal line contact

    Wiring / connection

    The feedback signal wire between the fan motor and the PCB may have a poor connection, a break in the wire insulation, or a damaged pin at CN75. This will cause the voltage at CN75 orange to gray to fall outside the 7V to 12V specification.

  3. 03

    Failed refrigerator fan motor

    Part replacement

    The fan motor itself may have failed internally, causing it to stop spinning and cutting off the feedback signal to the board. If wiring checks out and CN75 voltage is within range, the motor should be tested and replaced if defective.

  4. 04

    Main PCB failure

    Part replacement

    If the voltage at CN75 orange to gray is absent or abnormal and all wiring connections are confirmed secure, the main PCB may not be supplying proper power or reading the feedback signal correctly. Board replacement would be required in this case.

See the test procedure for each cause

Frequently asked questions about R-1- (segment d)

What does R-1- (segment d) mean on a GE refrigerator?
R-1- (segment d) is a Refrigerator Fan Error code. It indicates that the main control board has detected a problem with the refrigerator compartment fan motor, specifically a feedback signal line contact error, a disconnected motor wire, or a failed motor. The board monitors the fan's feedback signal through connector CN75 to confirm the fan is operating correctly. When that signal is missing or out of range, this code is triggered.
Can I fix the R-1- (segment d) error code myself?
Some causes of this error are DIY-friendly. You can inspect the wiring harness connected to the refrigerator fan motor and check for loose, disconnected, or visibly damaged wires. If you have a multimeter, checking the voltage between the orange and gray wires at CN75 on the main PCB will tell you whether the board is supplying power in the 7V to 12V range. Motor replacement or board replacement requires more technical skill and comfort working with appliance electronics.
Is it safe to keep using my GE refrigerator while this error is displayed?
Continuing to use the refrigerator with this error active is not recommended for food safety. If the refrigerator fan is not running, the fresh food compartment will not maintain safe temperatures even if the freezer appears to be working. Perishable foods should be moved to another refrigerator or kept on ice until the fault is resolved.
How much does it cost to repair the R-1- (segment d) error on a GE refrigerator?
Repair costs depend on the root cause. If the fix is a reconnected wire harness, there may be no parts cost, though a service call fee typically ranges from $75 to $150. A replacement refrigerator fan motor generally costs between $30 and $100 for the part. If the main PCB is at fault, board replacements can range from $100 to $300 or more depending on the model, plus labor.
Will resetting my GE refrigerator clear the R-1- (segment d) error code?
A reset may temporarily clear the error code from the display, but the code will return if the underlying problem has not been fixed. The main PCB continuously monitors the fan motor feedback signal, so any persistent wiring fault, contact issue, or motor failure will trigger the error again after power is restored. A reset is useful for confirming whether the fault is intermittent, but it is not a repair.

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