Gree GMV5 Series Technisches & Service-Handbuch - Seite 18
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GMV BACnet Gateway Technical Service Manual
Communication connection
cable between gateway and
BMS system is not correct
or the communication cable
is not connected
Check the continuity of
communication cable: refer
to "3.2 communication
connection" and check if the
communication connection
between BACnet gateway
and BMS system is correct
Abnormal condition
treatment 2
BACnet gateway CAN RX/
TX light is not blinking and
no data is replied
BACnet gateway does not
receive the data from
BMS system equipment
Please check the form
and content of data frame
of BACnet gateway sent
by BMS system
equipment is correct
setting in "1. Hardware
repeated; inspect if the
command frame issued
with dial-up address of
15
BACnet gateway
equipment address is
communication
not correctly set
distance is over 80m
Refer to the dial-up
communication
debug" and inspect if
distance between
BACnet gateway and
equipment address of
BMS system shall
BACnet gateway is
decrease to within 80m
equipment address of
by BMS system
equipment consistent
BACnet gateway
BMS network
Network