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ECL-PTU_IG_16_EN
The Status LED is always OFF The controller is operating normally.
Status LED blink patterns – Repeats every 2 seconds (highest priority shown first)
Long Blink Continuous
(1s On, 1s Off, continuous)
The controller is unconfigured.
Appropriate action: Commission the controller.
Long Long Long blink
(800ms On, 300ms Off, 800ms On, 300ms Off,
800ms On)
The controller is offline.
Appropriate action: Set the controller Online.
Long Short Short Short blink
(800ms On, 300ms Off, 150ms On, 300ms Off,
150ms On, 300ms Off, 150ms On)
The controller is in bypass mode.
Appropriate action: Set the controller Online.
Short Short Long blink
(150ms On, 300ms Off, 150ms On, 300ms Off,
800 ms On)
Poor-quality power; The device has browned-out: The voltage at the 24VAC and 24VCOM terminals has gone below the
device’s acceptable limit during power up.
Fast blink 12x:
(80ms On, 80ms Off, 12x)
Wink. The wink function is used to identify a device.
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Images are simulated. While all efforts have been made to verify the accuracy of information in this manual, Distech Controls is not responsible for damages or claims arising from the use of this manual.
Persons using this manual are assumed to be trained HVAC specialist / installers and are responsible for using the correct wiring procedures and maintaining safe working conditions with fail-safe environ-
ments. Distech Controls reserves the right to change, delete or add to the information in this manual at any time without notice.
Distech Controls, the Distech Controls logo, Open-to-Wireless, Innovative Solutions for Greener Buildings, and Allure are trademarks of Distech Controls Inc. BACnet is a registered trademark of ASHRAE.
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