LG Refrigerator Error Code R2 R3 R4 R5 ON

This error code indicates that the freezer evaporator fan motor has been detected as locked, meaning it has stopped rotating. The freezer fan circulates cold air throughout both the freezer and fresh food compartments, so a locked fan will cause temperatures to rise throughout the unit. The first step is to check whether something is physically preventing the fan blade from spinning, such as ice or debris.

A power reset by unplugging the unit for a few minutes may temporarily clear the error code from the display, but the code will return if the underlying cause is not resolved. If the fan motor is mechanically obstructed or has failed, the fault condition will persist and the code will reappear once the refrigerator is powered back on and the control board checks motor operation.

Repair costs vary depending on the root cause. If the issue is simply ice or debris obstructing the fan, there may be no parts cost involved. A replacement freezer evaporator fan motor typically runs in the range of $30 to $80 for the part alone, while professional labor to diagnose and replace the motor can bring the total to roughly $150 to $300 depending on your location and service provider.

Start by unplugging the refrigerator and removing the freezer back panel to access the evaporator fan. Check for ice buildup or any obstructions around the fan blade and clear them if found. If the blade spins freely but the fan still does not run after restoring power, test for voltage at the motor connector and replace the motor if voltage is present but the motor does not operate.

It is not advisable to continue using the refrigerator normally with this error active. A locked freezer fan means cold air is not being properly circulated, which will cause food temperatures to rise into unsafe ranges in both the freezer and refrigerator sections. The unit should be diagnosed and repaired promptly, and perishable food should be moved to another refrigerator in the meantime.