mally high level with a corresponding low evaporator pressure, the TXV should be replaced. Dianetti/Milliman If the valve does not respond to either of these measures or if the superheat is running at an abnor- Dianetti/Milliman Figure 9: A gap in the contact between the sensing bulb and the evaporator outlet tube can cause issues with the system. Figure 10: Illustration of sensing bulb install locations. October 2020 6 MACS Service Reports