Sub-Zero Refrigerator Error Code 60 1 38

Error code 60 1 38 indicates a communication error between the main control board and the variable speed compressor. The control board is unable to establish or maintain the communication link required to operate the compressor. This fault will typically prevent normal compressor operation, causing the unit to lose its ability to cool. The recommended first step is replacing the control board.

This fault typically disables or disrupts the compressor, meaning the unit may not maintain safe food storage temperatures. You should monitor internal temperatures closely and transfer perishable food to another refrigerator until the repair is completed. Continuing to run the unit in a faulted state does not pose a safety hazard to people, but food spoilage is a real risk.

A power reset may temporarily clear the fault code display, but it will not resolve the underlying communication failure between the control board and the compressor. If the control board or wiring is defective, the error will return after the unit restarts. A proper repair addressing the root cause is required to permanently clear this code.

A knowledgeable DIYer can inspect and reseat wiring harness connectors between the control board and compressor, which may resolve the fault if a loose connection is the cause. However, replacing the main control board or evaluating the variable speed compressor requires comfort with appliance electronics and should ideally be handled by a qualified technician. Attempting repairs without proper knowledge of the refrigeration and electrical systems can cause further damage.

Repair costs vary depending on which component has failed. Control board replacement on a Sub-Zero unit typically runs between $400 and $900 including parts and labor. If the variable speed compressor or its inverter module requires replacement, costs can rise significantly, often falling in the range of $1,200 to $2,500 or more depending on the model and labor rates in your area.