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MG.60.N1.22 - VLT is a registered Danfoss trademark
VLT
®
5000 / VLT
®
6000 HVAC / VLT
®
8000 AQUA
The Status LED patterThe Status LED patter
The Status LED patterThe Status LED patter
The Status LED patter
ns arns ar
ns arns ar
ns ar
e:e:
e:e:
e:
ONON
ONON
ON
There is power on the board but
there has not been any
communication to an input network
variable in the last 2 seconds.
Flashing 10 times per secondFlashing 10 times per second
Flashing 10 times per secondFlashing 10 times per second
Flashing 10 times per second
There is regular network
communication to the VLT's input
network variables.
Flashing intermittentlyFlashing intermittently
Flashing intermittentlyFlashing intermittently
Flashing intermittently
There is network communication to
the VLT's input network variables but
input network variables are received
at a period greater than 2 seconds.
Flashing 5 times per secondFlashing 5 times per second
Flashing 5 times per secondFlashing 5 times per second
Flashing 5 times per second
The response to the network
management “Wink” command. The
VLT LonWorks node must be reset to
leave the wink state.
OFFOFF
OFFOFF
OFF
No power on board or hardware fault.
LonWorks
Card
Diagnostic
LEDs
The LonWorks board includes two LEDs to
display the communication status of the
board, display the state of the NEURON chip,
and respond to the network management
“wink” command. The onboard LEDs are the
Service LED (LED 1, red) and the Status LED
(LED 2, green).
Status LED
Service LED
The Service LED displays the state of the
NEURON chip. The following table shows the
Service LED patterns for various states and
defines their meaning.
LEDsLEDs
LEDsLEDs
LEDs
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