Honeywell XYR301E, User Manual

Page: 74 / 108

XYR301E Wireless Ethernet User Manual
Page 74 April 2012
Chapter Four DIAGNOSTICS
4.1 Diagnostics Chart
LED Indicator Condition Meaning
OK GREEN Normal Operation
OK RED Continuously Supply voltage too low.
OR Internal Module Fault
OK RED At Power On Boot Loader delay at start-up
OK Fast Flash RED / GREEN Module Boot Sequence
OK Slow Flash RED / GREEN Module Boot Sequence
Radio RX GREEN flash Radio receiving data
Radio RX RED flash Radio receiving data (Low Signal strength)
TX/LINK GREEN Connection Established to remote device
TX/LINK RED Flash Radio Transmitting
RS-232 GREEN flash Data sent from RS-232 Serial Port
RS-232 RED flash Data received to RS-232 Serial Port
LAN ON Link Established on Ethernet port
LAN Flash Activity on Ethernet port.
RS-485 GREEN flash Data sent from RS-485 Serial Port
RS-485 RED flash Data received to RS-485 Serial Port
DIO GREEN Digital Input is grounded.
DIO RED Digital Output is active
DIO Off Digital Output OFF and Input is open circuit.
The green OK LED on the front panel indicates correct operation of the unit. This LED turns red on failure as described
above. When the OK LED turns red shutdown state is indicated.
On processor failure, or on failure during start-up
diagnostics, the unit shuts down, and remains in shutdown until the fault is rectified. During Module, boot-up the OK LED
flashes RED-GREEN until the boot sequence is complete.
Boot Status LED Indication during Start-up
The OK LED indicates the status of the module during the boot up process. At power on, the OK LED comes on RED.
During kernel boot the OK LED flashes Red-Green at a 1Hz rate (½ second red, ½ second green). During module
initialisation, the OK LED flashes Red-Green at 0.5Hz rate (1-second red, 1-second green). When initialisation is complete,
the OK LED switches to green continuously.
If the OK LED remains red at power on, this could indicate either low supply voltage (The module will not attempt to boot
until supply voltage is within range); Module fault; or a long boot delay. To check if the boot delay is the problem, plug a
terminal into the RS-232 serial port and configure for 115,200 baud, 8 data, no parity.