my freezer was frosted solid; not cooling and no air blowing to frig side.

yesterday i defrosted completely and it worked.

today its getting warm again, frost building.

perhaps related or not; ice maker doesn't get water and dispenser only put out a trickle. flap doesn't open for ice.

i replaced heater in freezer about yr or so ago.

wondering if its more likely the circuit board or thermastat, heater, water inlet-- all those parts?

thanks for your help!