Service Led Patterns And Descriptions - Trane LonWorks



TR1 Series VFD Installation And Operation Manual

Service LED
Patterns and
Descriptions Continuously ON
Continuously OFF
ON for one second at power-
up followed by approximately
2 seconds OFF, then stays
ON
Short flash every 3 seconds
Flashing at 1 second intervals
Brief flash at power-up. OFF
duration approximately 10
seconds after which stays ON
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.
Brief flash at power-up
followed by OFF
22
LED Pattern
Power-up of Neuron 3120xx
chip-based node or Neuron
3150 chip-based node with
any PROM
Power-up of Neuron 3120xx
chip-based node or Neuron
3150 chip-based node with
any PROM
Power-up/Reset
Anytime
Anytime
Using EEBLANK or Neuron
3150 chip-based node
First power-up with new
PROM on Neuron 3150 chip-
based custom node.
Unconfigured firmware state
exported.
Service LED Pattern Descriptions
Operation
Use EEBLANK and follow
reinitialization procedure.
Indicates bad node hardware.
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.
Indicates node is unconfigured
but has an application.
Proceed with loading node.
Indicate completion of
blanking process.
Indicates unconfigured state.
Node is configuring and
running normally.
Description