Related codes like F1E4 specifically indicate a power relay failure on the circuit board, which may prevent the unit from heating entirely. 2. Microwave Safety and Your Baby
The FDA and pediatricians warn against microwaving baby formula or breast milk. Microwaves heat unevenly, creating "hot spots" that can severely burn a baby's mouth or throat, even if the container feels cool to the touch. FE Microwave Baby
On GE laundry units, the FE error code often indicates a Fill Error , meaning the machine is not reaching the correct water level within the timed period. Related codes like F1E4 specifically indicate a power
If you must use a microwave for older infants' solid foods, following strict safety protocols is essential: Once Baby Arrives (Food Safety for Moms-to-Be) - FDA FE Microwave Baby