What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A130?

FREEZE WARNING: For your safety, be cautious of the freezing conditions.

Possible Cause: The ambient temperature is below freezing. What To Do: Select the appropriate mode to enable the heater. Essentially, turn the unit on.

This answer is applicable for the following model: Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit).