Ask an HVAC contractor to find out what's causing your walk-in cooler to...
Produce so much ice.
Make unusually loud noises.
Not be able to maintain a consistent temperature.
The solution could be something as simple as a replacing a dirty filter. Even if that's the case, it's always a smart idea to ask for an expert opinion.
Reach out to Moon Heating & Air Conditioning to get to the root of your commercial refrigeration issues.