Viking Freezer Error Code 1 Flash (every 15 seconds) - Compressor OFF

This fault code indicates that the VCC3 inverter module, which controls the compressor, is either not receiving a communication signal from the main control board or has detected an open thermistor circuit. In response, the inverter shuts the compressor off and flashes once every 15 seconds to signal the fault. The freezer will not maintain freezing temperatures while this condition is active. Diagnosis involves checking the thermistor, wiring, and control board signal output.

No, the compressor is off while this fault is active, meaning the freezer is not maintaining safe freezing temperatures. Food stored inside is at risk of thawing and spoiling. It is best to transfer perishable items to another freezer and have the unit diagnosed and repaired promptly.

Unplugging the entire freezer may temporarily clear the flash pattern, but if an underlying fault exists, such as an open thermistor or a failing control board, the error will return once the unit powers back up and the inverter re-evaluates its inputs. The proper reset procedure specifically targets the VCC3 inverter by disconnecting it from its power supply and waiting 2 minutes before reconnecting, followed by a 12-minute observation period.

Yes, a reset procedure is the recommended first step. Unplug the VCC3 inverter from its power supply connection, wait a full 2 minutes, then reconnect it and allow 12 minutes for the system to reinitialize. If the compressor remains off and the single flash continues after that wait period, the fault is not a temporary glitch and further diagnosis of the thermistor and control board is required.

Repair costs vary depending on the root cause. If the fix is simply reseating a connector or performing the inverter reset, labor costs may be the primary expense, typically in the range of $75 to $150 for a service call. A failed thermistor is a relatively inexpensive part, usually $20 to $60, plus labor. If the main control board requires replacement, costs can range from $300 to $600 or more for parts and labor combined.