The GE Models 16 Refrigerator has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your GE might be giving you.
The icemaker is not producing ice because the power switch is turned off.
Frost or ice crystals form on frozen food due to the door being left open or too frequent door openings.
The refrigerator is not cooling because it is in a defrost cycle.