Fan not coming on. Coils freeze up

[James4]

Brand:
Model Number:
Main Symptom:
What happens & when:

Error Code (if any):
Parts or tests already tried:
Photos / video link:

[James4]

Brand:Samsung
Model Number:
Main Symptom:fridge warm
What happens & when: fan doesn’t come on, coils freeze up, drain freezes up

Error Code (if I’ve replaced the fan and heater
Parts or tests already tried:
Photos / video link: