What It Means
- EVA IN and EVA OUT sensor of Hydro unit / Hydro unit HT is detached

VRF / VRV: Hydro unit (indoor)
This manual entry does not list further causes or actions.
EVA IN and EVA OUT sensor of Hydro unit / Hydro unit HT is detached
VHEC***S4-4P, VHTC***S4-4P
Continue in ACLogics with guided diagnosis for your equipment and symptoms.