Messenger W
User Manual
9
9M02-7000-A001-EN
Version A
3
LED States
There are eight LEDs used to indicate various system conditions. The locations of these LEDs can be seen in
in the
section. Specific information is conveyed to the user via LED blink patterns. On power-
up, an LED test is performed by blinking all LEDs every second for 3 seconds. Following the LED test, the LEDs
blink based on the following conditions.
LED 1 (GRN) – System
State
Rate
Definition
Blink
1 blink every 5 seconds
Sleep Mode
Blink
1 blink every second
CPU Run – Normal
Blink
5 blinks every second
Boot Loader Mode (all other LEDs off)
On or Off
Solid
System Failure
LED 2 (RED) – Cell Registration
State
Rate
Definition
Blink
Rapid blink, then off
OK – Rx/Tx Activity with CELL Modem
Blink
1 blink every second
Not Registered
Check APN
Verify valid cellular account
Off
Solid
OK – Registered
LED 3 (RED) – Cell Status
State
Rate
Definition
Blink
10 blinks every second
No SIM card or communications failure with modem
On
Solid
Not Ready/Fault
Blink
1 blink every second
Error
Off
Solid
OK
LED 4 (RED) – CAN
State
Rate
Definition
On
Solid
Fault, no engine bus activity detected
Blink
2 blinks every second
OBD traffic detected, but no response to data queries
Blink
1 blink every second
Engine bus not selected, check DIP Switch 2
Off
Solid
No Faults, engine bus activity detected