23MG.60.N1.22 - VLT is a registered Danfoss trademarkVLT® 5000 / VLT® 6000 HVAC / VLT® 8000 AQUAThe Status LED patterThe Status LED patterThe Status LED patterThe Status LED patterThe Status LED patterns arns arns arns arns are:e:e:e:e:ONONONONONThere is power on the board butthere has not been anycommunication to an input networkvariable in the last 2 seconds.Flashing 10 times per secondFlashing 10 times per secondFlashing 10 times per secondFlashing 10 times per secondFlashing 10 times per secondThere is regular networkcommunication to the VLT's inputnetwork variables.Flashing intermittentlyFlashing intermittentlyFlashing intermittentlyFlashing intermittentlyFlashing intermittentlyThere is network communication tothe VLT's input network variables butinput network variables are receivedat a period greater than 2 seconds.Flashing 5 times per secondFlashing 5 times per secondFlashing 5 times per secondFlashing 5 times per secondFlashing 5 times per secondThe response to the networkmanagement “Wink” command. TheVLT LonWorks node must be reset toleave the wink state.OFFOFFOFFOFFOFFNo power on board or hardware fault.LonWorksCardDiagnosticLEDsThe LonWorks board includes two LEDs todisplay the communication status of theboard, display the state of the NEURON chip,and respond to the network management“wink” command. The onboard LEDs are theService LED (LED 1, red) and the Status LED(LED 2, green).Status LEDService LED The Service LED displays the state of theNEURON chip. The following table shows theService LED patterns for various states anddefines their meaning.LEDsLEDsLEDsLEDsLEDs