Distech Controls ECL/ECB-PTU Series User Manual page 120

Table 34: STATUS LED Interpretation for Normal Operation with ECB Devices
Device STATUS LED blink patterns
The STATUS LED is always OFF (Not
applicable to ECB-PTU Series)
The STATUS LED is always ON (ECB
PTU Series only)
Table 35: STATUS LED Fault Condition Interpretation for ECL Devices
Device STATUS LED blink patterns -
every 2 seconds (highest priority
shown first)
Long blink continuous:
(1s On, 1s Off, continuous)
Long Long Long blink
(800ms On, 300ms Off, 800ms On,
300ms Off, 800ms On)
Long Short Short Short blink
(800ms On, 300ms Off, 150ms On,
300ms Off, 150ms On, 300ms Off,
150ms On)
Short Short Long blink
(150ms On, 300ms Off, 150ms On,
300ms Off, 800 ms On)
Fast blink 12x:
(80ms On, 80ms Off, 12x)
Table 36: Verify that the Following Recommendations have been Carried Out Before Calling Technical Support
Recommendation
Properly terminate the BACnet MS/
TP data bus
Connect no more than five devices to
a power supply transformer (for 24V
controllers)
118
Status
No anomaly
No anomaly
Possible Cause
The controller is unconfigured
The controller is offline
The controller is in bypass
mode
Poor-quality power; The device
has browned-out (for 24V con-
trollers)
Wink
Description
EOL terminations must be enabled / installed at either end of the data bus only. See
Free Topology Network Termination
LonWorks devices require good power quality. See
nation on page 55.
Description
Normal operation.
Normal operation.
Corrective Action
Commission the controller
Set the controller Online
Set the controller Online
The voltage at the 24VAC/DC and 24VCOM terminals
has gone below the device's acceptable limit during
power up.
The wink function is used to identify a device.
on page 55.
TP/FT 10 Free Topology Network Termi-
TP/FT 10
Network Guide