First discharge capacitor. To check capacitor, set volt-ohm meter to RX100 scale and touch its probes to capacitor terminals. If capacitor is OK, needle will jump to zero ohms, and drift back to high. Steady zero ohms indicates a short circuit; steady high ohms indicates an open circuit.
Look for these signs and symptoms: 1  Changes in appetite. If your baby refuses several feedings in a row or eats poorly, contact the doctor. 2  Changes in behavior. If your baby is hard to awaken or unusually sleepy, tell the doctor right away. 3  Tender navel or penis.
Cystic fibrosis is usually diagnosed at an early age. The symptoms aren't the same for everyone. But some common symptoms in a baby who has cystic fibrosis include: 1  A blocked small intestine at birth. 2  This prevents the baby from passing his or her first stool. 3  Very salty sweat or skin. 4  Diarrhea. 5  Not growing or gaining weight the way that other children do.