Operator Interface Leds - Honeywell CENTRA LINE MERLIN N Series Manual

MERLIN NX IP AND MST/TP VAV CONTROLLER - INSTALLATION INSTRUCTIONS

Operator interface LEDs

The controller features the following LEDs:
Mode
Firmware download
No application**
Broken sensor
Short circuit
AutoMac
No Valid Mac
UnAckAlarm
Normal operation
Communication error
** While performing setpoint balancing via. VAV mobile application, LED pattern changes from static green to Red/green/yellow cycles
(which indicates empty controller).
Mode
BLE disabled By user
BLE normal operation and connected
BLE enabled but not connected
BLE failure
Mode
BACnet Tx Fail
BACnet Tx Success
BACnet Rx Fail
BACnet Rx Success
Modbus Tx Fail
Modbus Tx Success
Modbus Rx Fail
Modbus Rx Success
EN1Z-1076GE51 R1021
BACnet
Tx &Rx
Table 13. Status LED behaviors
LED Status
Green blinks every 200 ms
Red/Green/Yellow blinks every 1 sec
Red Permanent ON
Green blinks every 2 seconds
Yellow Permanent ON
Yellow blinks every 2 seconds
Green LED Permanent ON
Red LED Blinks every 200 ms
Table 14. Bluetooth LED Status
OFF
Green, Permanent ON
Green, 2 blinks in 1 seconds followed by 2 seconds pause, and repeat
Red, Permanent ON
Table 15. BACnet and Modbus LED Status
Tx1 Led OFF
Tx1 LED Blinking
Rx1 LED OFF
RX1 LED Blinking
Tx2 Led OFF
Tx2 LED Blinking
Rx2 Led OFF
Rx2 LED Blinking
MODBUS STATUS
BLE
Tx &Rx
Fig. 31. LED interface
BLE LED Status
Tx and Rx LED Status
26
Visual