Distech Controls RT Series - Page 16

16
BACnet Wiring Guide
Condition of the Status LED
Possible Cause
Solution

BACnet communication NOT active
at default MAC address = 254
Change MAC address to
another value from 0 to 127
 1 short blink
Incorrect module has been
installed
Incorrect module has been
installed

2 short blink (no wires
connected to the module)
The right module has been installed
on the right thermostat model
N/A
 2 short blink (wires
connected to the module)
Module is not at the same baud rate
as the network
Power off and on the
thermostat

2 short blinks and a longer
blink (wires connected to
the module)
The module has detected the
presence of a network
N/A
 Right after power is
applied: 2 long blinks and
then no blinking
Polarity has been reversed at the
module
Reverse polarity at the
module
Table 2: Status LED condition and possible solutions