Trane Symbio 210 Installation, Operation And Maintenance Manual page 29

Table 9. LED activities and troubleshooting tips (continued)
LED Name Activities
Shows solid yellow.
Binary B01 through
B05
BAS-SVX084A-EN
Indication and Troubleshooting Tips
Indicates a corresponding binary output has been
commanded ON.
• Relay coil: indicates that a command has been made to
energize.
• TRIAC: indicates that a command has been made to turn ON.
Indicates that a relay output is de-energized or no power to
the board.
LED not lit.
• Not lit: cycle power to reestablish communication.
Controller LEDs
Notes
If you are currently powering the
Symbio 210 from a USB port, the
Led lights will turn ON. However,
the binary outputs will not be
activated.
Commanded ON; As an example of
commanded ON, a command could
be a manual command such as an
override or a command could be
from TGP2 based on a list of
conditions that are met telling these
outputs to turn ON.
LED not lit:
Did you command it to be ON? If
yes, see the Table 9, p. 26.
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