Ingersoll-Rand ReliaTel, Manual, Page: 78 / 176

78 RT-SVD03L-EN
Green TX (Transmit) LED
• Flashing intermittently: Unit is communicating OK
with ICS system
• Off yet RX light flashes – address wrong, COMM3/4
board in wrong position
LCI (LonTalk ® ® )
LED 1 Green MODBUS LED
• Flashing intermittently: Unit is communicating to
RTRM
• Off: LCI-R not operating
• Flashing slow (1/4 second on and 2 seconds off):
RTRM not responding
LED 2 Red Service LED
• Steady on: Bad circuit board
• OFF: Normal
• Flashing 1 second on, 1 second off, LCI is in
unconfigured state.
LED3 Yellow Comm RX
• Flashing intermittently: normal operation.
Table 32. Interpreting the LEDs
LED type LED activity
Indicates
Service LED
Solid green
The controller is in boot mode. The controller will be
placed into boot mode if the service pin is held in when
power is applied. In boot mode, the controller is non-
operational and is waiting for a new main application to
be downloaded. While in boot mode, the system will not
run any applications.
Not illuminated
Application code is running; operating normally
Status LED
Solid green Normal operation
Blinking green The controller is updating the flash
Solid red The controller has malfunctioned
Blinking red Alarms or point faults are present
Not illuminated The controller is off
Link Tx/Rx
TX blinks green Data is being transferred, received, or transmitted
RX blinks yellow
Blinks at the data transfer rate when the unit receives
data from other devices on the link ON solid yellow;
indicates there is reverse polarity
Not illuminated
No activity is occurring
Modbus Tx/Rx
Blinking Data is being transferred, received, or transmitted
Not illuminated
No activity is occurring
Link LEDs
BACnet® is
illuminated The Link Switch has been set to wired communication
IMC is illuminated
The Link Switch has been set to wireless
communication
LED4 Green COMM 5 status LED
• Steady on: Normal operation.
R Re elliia aT Te ell ™ ™ L LE ED D F Fu un nccttiio on nss