Can I fix GE DP error myself?

You can check sensor connections and perform a power reset yourself. Testing and replacing the defrost sensor requires a multimeter and accessing the evaporator compartment, which is best handled by a professional.

How much does it cost to fix GE DP error?

A power reset costs nothing. Defrost sensor replacement by a professional typically costs $80-$200. Our $9.99 diagnostic guide helps confirm whether it is a sensor or control board failure.

GERefrigeratorDefrost Issues

GE Refrigerator Error Code DP: Defrost Probe Error

Complete troubleshooting guide for GE refrigerator DP error code - defrost temperature sensor malfunction

Technical Diagram

GE Refrigerator Defrost Probe System Diagram

Expert Diagnosis

The DP error indicates the defrost probe (temperature sensor) is providing incorrect readings or has failed. This sensor monitors evaporator temperature during defrost cycles. A faulty probe can cause improper defrost timing, leading to ice buildup or excessive defrosting.

What This Error Means

The DP error code on your GE refrigerator indicates a Defrost Probe Error. This means the temperature sensor that monitors the defrost cycle is malfunctioning. The refrigerator may not defrost properly, leading to frost buildup, or it may defrost too frequently, affecting cooling efficiency.

Common Causes

Faulty Defrost Sensor

The thermistor probe has failed and is sending incorrect temperature readings

Damaged Sensor Wiring

Wires connecting the sensor to the control board are broken or corroded

Loose Connections

Sensor connector is not properly seated or has poor contact

Sensor Displacement

The probe has moved from its proper position on the evaporator coils

Control Board Issue

The main control board is not reading the sensor signal correctly

Step-by-Step Solutions

Step 1: Power Reset

Unplug the refrigerator from the outlet
Wait 5 minutes to reset the control board
Plug back in and check if error clears
Monitor defrost cycles for 24-48 hours

Step 2: Inspect Sensor Connections

Unplug refrigerator for safety
Access the evaporator compartment in freezer
Locate the defrost sensor (small probe on evaporator coils)
Check that connector is firmly attached
Look for any visible damage to wires

Step 3: Test Defrost Sensor

Disconnect the sensor from the wiring harness
Use a multimeter set to resistance (ohms)
Test sensor resistance at room temperature (should be 10-50k ohms)
Compare reading to manufacturer specifications
Replace sensor if reading is infinite or zero

Step 4: Check Sensor Position

Verify sensor is properly positioned on evaporator coils
Ensure sensor tip is making good contact with coil surface
Check that sensor is not frozen in ice
Reposition if necessary and secure with clip

Step 5: Professional Service Required

If sensor tests good but error persists, control board may be faulty
Sensor replacement requires accessing sealed evaporator compartment
Contact GE authorized service: 1-800-432-2737
Technician has proper tools and replacement parts

Safety Warning

Always unplug the refrigerator before accessing internal components. The evaporator compartment may contain sharp edges and extremely cold surfaces. If you're not comfortable with electrical testing, contact a professional technician.