Alfa is a good unit....solid/well built.
Issues..depends on how previous owner took care of it.
Fridge too cold......lots of folks would give their eye teeth for that problem
Could just be the thermistor has fallen down (temp sensor attached to cooling fin if food section). If not attached to fin the fridge thermostat will cause fridge to over-cool (longer cycle/no feed back)
Which Brand/Model of Fridge?
Does it get too cold on electric and propane?