What It Means
- Error due to exceeding maximum numbers of Hydro unit installation (16 units)
Lennox VRF / VRV
Lennox Error Code E618
VRF / VRV: Hydro unit (indoor)
Causes & actions from Lennox
How it shows
- hydro main pcb display: E618
- hydro wired controller display: E618
This manual entry does not list further causes or actions.
Applicable models & manual sources
- VHEC***S4-4P
Error due to exceeding maximum numbers of Hydro unit installation (16 units)
VHEC***S4-4P, VHTC***S4-4P
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
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