12
•
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
Off
Solid
No Faults, engine bus activity
detected
•
LED 5 (RED) - GPS
State
Rate
Definition
Blink
1 blink every second
No Fix
Off
Solid
Fix
•
LED 6 (RED) - Modbus
State
Rate
Definition
Blink
Rapid (burst)
Ok - Rx/Tx Activity on Port 2 or 3
On
Solid
Fault (comm. timeout error)
Off
Solid
Ok - No Faults
•
LED 7 (RED) - USR1
State
Rate
Definition
Blink
1 blink every second
Lithium Coin Cell battery is low or
RTC has stopped
On
Solid
If DIN1, DIN2, DIN3, or DIN4 are
configured as pulse counter inputs,
this LED will light when any input is
activated, off when all inputs idle
Off
Solid
No Faults
Summary of Contents for Messenger 600
Page 1: ...Messenger 600 User s Guide Version 1 0 0 May 13 2020 ...
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