A GE washing machine that suddenly stops in the middle of a cycle and displays an error code is giving you information about a detected problem. The code may point to an issue with water supply, drainage, spinning, temperature, door or lid operation, or another part of the washing system. In some cases, the underlying cause is a faulty sensor or electronic control board.
Error codes are useful because they help narrow down the problem, but they do not always identify the exact failed component. A sensor can send incorrect information to the control board, while a control board problem can cause the washer to interpret normal operating conditions as a fault. For this reason, replacing a part based only on the displayed code can lead to unnecessary repairs.