On Mon, 16 Feb 2015 15:36:16 -0500, Norminn
wrote:

Had a repair guy out once, who
was too obese to get down and really tinker behind the fridge; he
finally decided it was water pressure and went down to the basement and
changed out the little saddle valve for the water supply.

From my reading, an ice maker will operate, flow water at 20 PSI water
pressure, I haven't found a need to change it. Concentrate on the
unit parts and fix what failed.