Each unit has a bypass plug included with the instruction guide. The bypass plug is used to help troubleshoot the cabinet when it is not cooling correctly. It allows you to determine whether the problem lies within the thermostat or the cooling unit itself.

To use the plug:

First, unplug unit from power outlet. Disconnect the Vintronic unit from the cabinet by unscrewing the attachment screws. When you pull the unit back, you'll notice it is connected by wires and a plug unit. Disconnect the plug unit and plug in the bypass plug. This will disable the electronic controls and allow the unit to work at maximum capacity. Let the unit run for one hour and check it to see if it is cooling.

If the unit is indeed cooling, then there is a problem with the Vintronic thermostat unit. If it is not cooling down then the problem lies with the cooling unit within the cabinet. If thermostat is operating incorrectly, contact customer service for replacement.

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