JRC JLN-720 - Page 83

4-23 Chapter 4 Menu Settings and Configurations
4
JLN-720 Alert list
Pop up message Warning Caution Possible Causes
GPS SENSOR FAIL
○
Communication between GPS
compass sensor is disconnected
NO GPS FIX
○ Unable to receive GPS signal
NO GPS HEADING
○ Unable to receive GPS signal
GYRO DATA RECV FAIL
○
Communication between Gyro
sensor is disconnected
ROT DATA RECV FAIL
○
Communication between ROT
sensor is disconnected
DISPLAY COMM FAIL
○
Communication between main
display is disconnected
HW CHECK FAIL
○ A failure of hardware is detected
NO GPS ROT
○ Unable to receive GPS signal
DISTANCE CALC FAIL
○ Unable to receive GPS signal
SSLC HW CHECK FAIL
○ A failure of hardware is detected
PARSING OF NMEA (Talker + ID)
FAILED
○
Communication between
distribution processor and
main/remote display is
disconnected
INVALID CHECKSUM OF NMEA
(Talker + ID) SENTENCE
○
Communication between
distribution processor and
main/remote display is
disconnected
(ID) TIMED OUT
○
Communication between
distribution processor and
main/remote display is
disconnected
DISTRIBUTOR COM. FAIL
○
Communication between
distribution processor and main
display is disconnected
MODBUS TIMEDOUT
○
Communication between
distribution processor is
disconnected
MODBUS CANNOT CONNECT TO
(IP):(PORT)
○
Communication between
distribution processor and main
display is disconnected
MAINTENANCE MODE
○ Under maintenance mode
UPDATE MODE
○ Under software update mode
 Warning: Occurred when the equipment can operate, but unable to measure the speed or the
voyage distance of the vessel.
 Caution: Occurred when the performance of this equipment is OK, but in an unintended state.