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- Description
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- Maintenance Schedule
- Engineering Knowledge
Description
JRC JAN-901M — ECDIS. Fitted as ECDIS system.
Engineering Knowledge
General engineering guidance only — it may contain errors. Always follow the equipment's own documentation and the judgement of a qualified engineer.
Power does not turn ON.
Check the AC power supply and ensure the breaker in the main unit power supply is ON. If using 220V input, switch the input protective circuit to AC 220V. Verify AC power is within the rated range. If the AC power cable is not connected or the main unit has malfunctioned, contact a sales representative for repair.
PWR FAIL lamp is lit.
Ensure DC power is supplied from the distribution board. Check that the AC voltage has not dropped and is within the rated range. If the main unit has malfunctioned, contact a sales representative for repair.
FAN alarm message is displayed on the LCD monitor.
Immediately turn off the power. If the fan motor has stopped or the main unit has malfunctioned, contact a sales representative for repair.
Nothing is displayed on screen.
Turn the power switch ON. If the monitor has malfunctioned or the video cable is not connected, contact a sales representative for repair. If the main unit has malfunctioned, contact a sales representative for repair.
Incorrect display.
If the video cable is not connected or has a terminal fault, contact a sales representative for repair. If the main unit has malfunctioned, contact a sales representative for repair.
Display is shown out of place.
If the initial setup was faulty, for JAN-701, press the brilliance control for a while to automatically adjust the display. For JAN-901M, press the brilliance control to automatically adjust the display.
Radar echo is not displayed correctly.
If the video cable is not connected or has a terminal fault, contact a sales representative for repair. Ensure the connector cable is connected to the radar. If the main unit has malfunctioned, contact a sales representative for repair. If Chart Portfolio is running, stop it.
Gyro compass is not displayed, and GYRO alarm is displayed.
Ensure the initial setup has been carried out correctly and the gyro compass is ON. Check the connection between the gyro compass and the main unit. Correct the ratio setting on the gyro compass. Connect the cable at the correct polarities. If the main unit has malfunctioned, contact a sales representative for repair.
Rudder angle is not displayed, or is not displayed correctly.
Turn the rudder angle indicator ON. Correct the ratio setting on the rudder angle. Set the rudder angle indicator correctly. Check the connection between the rudder angle indicator and the main unit. If the main unit has malfunctioned, contact a sales representative for repair.
Log is not displayed.
Turn the log ON. Correct the ratio setting on the log. Check the connection between the log and the main unit. If the main unit has malfunctioned, contact a sales representative for repair.
Data is not displayed, even though the data below is input (relative wind direction and speed, air/water temperature, pitch, roll, CPP angle).
Carry out the analog data setup correctly. Turn the interface board ON. Check the connection between the interface board and the main unit. If the main unit has malfunctioned, contact a sales representative for repair.
Position information (e.g. GPS, gyro) is not displayed.
Carry out the initial setup correctly. Check the state of the navigation unit and ensure it is ON. Check the connection between the navigation unit and the main unit. If the main unit has malfunctioned, contact a sales representative for repair.
ARPA is not displayed.
Press the ARPA key. Set the ARPA setting correctly. Turn the radar ON. Check the connection between the radar and main unit. If the main unit has malfunctioned, contact a sales representative for repair.
Wind direction, wind speed (digital wind direction and air speedometer) are not displayed.
Turn the digital wind direction and air speedometer ON. Check the connection between the digital wind direction and air speedometer. If the main unit has malfunctioned, contact a sales representative for repair.
UKC is not displayed.
Turn the depth sounder ON. Check the connection between the depth sounder and the main unit. If the main unit has malfunctioned, contact a sales representative for repair.
Engine data from data logger and weather data are not displayed.
Turn the data logger ON. Check the connection between the main unit and the data logger. If the main unit has malfunctioned, contact a sales representative for repair.
Automatic sailing is not possible.
Carry out the initial setup correctly. Perform the correct operation as described in the instructions. Turn the autopilot ON. Check the connection between the autopilot and the main unit. If the main unit has malfunctioned, contact a sales representative for repair.
Brightness does not change even if the BRILLIANCE knob is turned.
If the lighting control circuit does not work or the cable is damaged, contact a sales representative for repair. If the main unit has malfunctioned, contact a sales representative for repair.
None of the keys on the operation panel work.
If the cursor is displayed as an hourglass, wait until it returns to a normal cursor. If the operation panel circuit is malfunctioning or the main unit has malfunctioned, contact a sales representative for repair.
Trackball does not work.
Clean the trackball. If the main unit has malfunctioned, contact a sales representative for repair.
EBL and VRM dials do not work even if turned, or response is slow.
Press the EBL/VRM keys. Use a hexagonal wrench to secure the knob to the shaft. If the main unit has malfunctioned, contact a sales representative for repair.
GAIN, VIDEO, and SEA/RAIN dials do not work even if turned, or response is slow.
Press the RADAR key. Use a hexagonal wrench to secure the knob to the shaft. If the main unit has malfunctioned, contact a sales representative for repair.
When the Navigation & Planning button in the startup menu, the message Path is incorrect or Master Drive is failed is displayed.
This indicates a hard disk failure. Refer to the User Maintenance Menu for further troubleshooting.
Power was turned off during ARCS index creation by Chart Portfolio, and Navigation & Planning cannot be started with an error message being displayed.
This indicates a chart index failure. Start Chart Portfolio, select Chart - ARCS - Regenerate Index to create the chart index again.
Error code (0XFFFFFFA) is displayed in Chart Portfolio.
Input the proper authorization code obtained again.
Competitive Models
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Furuno FEA-2807 — ECDIS. Fitted as ECDIS system. From various sources, AI and contributors. Might be incorrect.
Send enquiry
Send an enquiry to the manufacturer of ^NEJJ JAN-901M. One broadcast per day.
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Code map
^N E J J │ │ │ └── Model: JAN-901M │ │ └───── Make: JRC │ └──────── Equipment: ECDIS └─────────── System: Navigation