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Frigidaire Refrigerator Error Code OP in refrigerator temperature display

Frigidaire Refrigerator Error Code OP in refrigerator temperature display

If your Frigidaire refrigerator displays the error code OP on the temperature display, it indicates a potential issue with the refrigerator temperature sensor. Here’s a step-by-step guide to troubleshoot and resolve this error:

1. Unplug the Refrigerator:

Begin by disconnecting the refrigerator from the power source for safety.

2. Check Wiring Connections:

Inspect the wiring connections between the refrigerator temperature sensor and the electronic control board. Reconnect any loose wires that you may find.

3. Measure Sensor Resistance:

If the wiring appears to be in order, unplug the refrigerator temperature sensor from its wire harness. Using a multimeter, measure the resistance of the sensor. The meter should show:

4. Replace Sensor if Necessary:

If the meter measures infinite resistance, indicating a faulty sensor, it’s advisable to replace the temperature sensor.

5. Check Resistance Through Wires:

Plug the temperature sensor back in and measure resistance through the refrigerator temperature sensor wires that connect to the electronic control board (gray/black wires on the J4A connector). Unplug the J4A connector from the control board and measure resistance through the gray/black wires. The meter should display the same resistance as measured for the temperature sensor.

6. Evaluate Electronic Control Board:

If the meter shows correct sensor resistance through the wires but the error persists, it may indicate an issue with the electronic control board. In such cases, consider replacing the electronic control board as it might not be accurately detecting sensor resistance.

7. Address Wiring Failures:

Should the meter indicate infinite resistance through the sensor wires, there may be a failure in the sensor wiring. Identify and repair any wiring issues to ensure proper functionality.

By following these steps, you can diagnose and address the Frigidaire Refrigerator Error Code OP associated with the refrigerator temperature sensor, potentially resolving the issue and restoring your refrigerator to normal operation.