checked the wine unit and found a bad circuit board. The parts will need to be ordered. Replaced the bad circuit board and checked the units operation. Left unit cooling to full capacity. Recommended installing a dedicated circuit for the power and not to use an extension cord.
Checked the wine unit and found a grounded compressor. The compressor needs to be ordered. A dedicated circuit needs to be installed for this unit. To avoid low voltage problems caused by the extension cord.
Replaced grounded compressor for Wine Guardian D050 installed a new liquid line, pulled a deep vacuum and charged the system with R134A refrigerant. Checked the systems operation and re-installed the unit.