Yellow Comm Led - Trane UniTrane Installation Operation & Maintenance

Green STATUS LED
Table 11. Green STATUS LED Activity
Green LED Blink Activity
LED on continuously
LED blinks once
LED blinks twice
LED blinks (1/4 second on, 1/4 second
off for 10 seconds)
LED off
Note: The "wink" feature allows the identification of a particular controller. When sending a request from a
device, such as Rover™, the controller will "wink" to indicate it received the signal.

Yellow COMM LED

Table 12. Yellow COMM LED Activity
Yellow LED Blink Activity
LED off continuously
LED blinks
LED on continuously
UNT-IOM-6
The green LED normally indicates whether the controller is powered
on (24 VAC supplied). Reference Table 11.
Description
Power on (normal operation)
Manual output test mode
Manual output test mode, with one or more diagnos-
tic present
"Wink" mode
• Power off
• Abnormal condition
• Test button is pressed
Description
The controller is not detecting any communication.
(Normal for units in standalone applications)
The controller detects communication.
Abnormal condition
®
Tracer ZN.010
and ZN.510
47