JRC JAN-701B - Page 519

10 Maintenance and Inspection
10-19
ECDIS
Trouble –continued--
Symptom Cause Remedy
The lighting control circuit does
not work.
Call the JRC sales
representative for repair.
The brightness does not
change even if the
[BRILLIANCE] knob is turned.
The cable is damaged. Call the JRC sales
representative for repair.
The main unit has
malfunctioned.
Call the JRC sales
representative for repair.
None of the keys on the
operation panel work.
The cursor is displayed as an
hourglass.
Wait until the hourglass returns
to a cursor.
The operation panel circuit is
malfunctioning.
Call the JRC sales
representative for repair.
The main unit has
malfunctioned.
Call the JRC sales
representative for repair.
The trackball does not work. The trackball is dirty. Clean the trackball.
The main unit has
malfunctioned.
Call the JRC sales
representative for repair.
The [EBL] and [VRM] dials are
not ready for operation.
Press the [EBL]/[VRM] keys. The [EBL] and [VRM] dials do
not work even if turned. Or,
response is slow.
The knob is not secured to the
shaft.
Use a hexagonal wrench to
secure the knob to the shaft.
The main unit has
malfunctioned.
Call the JRC sales
representative for repair.
The [GAIN], [VIDEO] and
[SEA/RAIN] dials are not ready
for operation.
Press the [RADAR] key. The [GAIN], [VIDEO] and
[SEA/RAIN] dials do not work
even if turned. Or, response is
slow.
The knob is not secured to the
shaft.
Use a hexagonal wrench to
secure the knob to the shaft.
The main unit has
malfunctioned.
Call the JRC 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.
Hard disk failure See 13.5 “User Maintenance
Menu.”
The power was turned off
during ARCS index creation by
Chart Portfolio, and Navigation
& Planning cannot be started
with an error message being
displayed.
Chart index failure Start Chart Portfolio, select
[Chart] - [ARCS] - [Regenerate
Index] to create the chart index
again.