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
Switch 2
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