Danfoss VLT 8000 AQUA Instructions d'exploitation télécharger pdf (Page 25)

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VLT

5000 / VLT

6000 HVAC / VLT

8000 AQUA

Service LED

Patterns and

Descriptions

Service LED Pattern Descriptions

LED Pattern Operation Description

Continuously ON Power-up of Neuron 3120xx

chip-based node or Neuron

3150 chip-based node with

any PROM

Use EEBLANK and follow

reinitialization procedure.

Continuously OFF Power-up of Neuron 3120xx

chip-based node or Neuron

3150 chip-based node with

any PROM

Indicates bad node hardware.

ON for one second at power-up

followed by approximately 2

seconds OFF, then stays ON

Power-up/Reset May be caused by Neuron chip

firmware when mismatch occurs

in application checksum.

Indicates watchdog timer resets

occurring.

Possible corrupt EEPROM.

For Neuron 3150 chip-based

node, use EEBLANK and follow

reinitialization procedure.

Flashing at 1 second intervals Anytime Indicates node is unconfigured

but has an application. Proceed

with loading node.

Brief flash at power-up. OFF

duration approximately 10

seconds after which stays ON

Using EEBLANK or Neuron

3150 chip-based node

Indicate completion of blanking

process.

Brief flash at power-up. OFF

duration approximately 1 to 15

seconds, depending on

application size and system

clock. LED then begins flashing

at 1 second intervals.

First power-up with new

PROM on Neuron 3150 chip-

based custom node.

Unconfigured firmware state

exported.

Indicates unconfigured state.

Brief flash at power-up followed

by OFF

Node is configuring and running

normally.

Short flash every 3 seconds Anytime

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 43 44

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Danfoss VLT 8000 AQUA Instructions d'exploitation Page 25

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