Distech Controls ECB-PTU Series Installation Manual page 24

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The Status LED is always OFF

Status LED blink patterns – Repeats every 2 seconds (highest priority shown first)

Long Long Long blink

(800ms On, 300ms Off, 800ms On, 300ms Off,

800ms On)

Short Short Long blink

(150ms On, 300ms Off, 150ms On, 300ms Off,

800 ms On)

Short Long blink

(150ms On, 300ms Off)

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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The controller is operating normally.

The device has not received a BACnet token, and therefore cannot communicate on the network: Verify that the controller's

MAC Address is unique on the BACnet MS/TP Data Bus – see Section 12. Make sure the controller's BAUD rate is the

same as the BACnet MS/TP Data Bus' BAUD rate (see Section 17). Verify that the Max Master is set high enough to

include this controller's MAC Address (See the Network Guide).

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.

Invalid MAC address: The device's MAC address is set to zero (0) or is set to an address higher than the Max Master. See

the Network Guide.

ECB-PTU_IG_15_EN

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