What It Means
- VHEC***S4-4P, VHTC***S4-4P: Communication error on outdoor unit (When outdoor unit is having trouble sending data to Hydro unit / Hydro unit HT)
- V36C***S4-4P: Communication error received from the outdoor unit
Lennox VRF / VRV
Lennox VRF / VRV Error Code E102
VRF / VRV
E102 means different things on different VRF / VRV models. Enter your model number to see only your reading, or find your model below.
Causes & actions from Lennox
Communication error on outdoor unit (When outdoor unit is having trouble sending data to Hydro unit / Hydro unit HT)
Models: VHEC***S4-4P, VHTC***S4-4P
Hydro unit (indoor)
How it shows
- hydro main pcb display: E102
- hydro wired controller display: E102
This manual entry does not list further causes or actions.
Applicable models & manual sources
- VHEC***S4-4P
Communication error on outdoor unit (When outdoor unit is having trouble sending data to Hydro unit / Hydro unit HT)
VHEC***S4-4P, VHTC***S4-4P
Communication error received from the outdoor unit
Models: V36C***S4-4P
VRF indoor unit (indoor)
How it shows
- vrf 360 fault code: E102
- vrf 360 indoor indicator: ice_blue: off, yellow_green: flashing, blue: off, red: off (blue: off, ice_blue: off, red: off, yellow_green: flashing)
This manual entry does not list further causes or actions.
Applicable models & manual sources
- V36C***S4-4P
Communication error received from the outdoor unit
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
