Simrad Shipmate GN30 mkII, Operator'S Manual

Page: 87 / 103

For all fault finding, first check that the supply voltage is between 10 - 32 Vdc.
3YMPTON
Check
2EMEDY
No picture on screen Check that the unit is
turned on Press
[PWR]
key on keypad
Check fuse in power cable.
F
See warning below.
Replace fuse. Use only
type 2 AmpF
Picture appears on the dis-
play screen, but image is
too dark or too bright Adjust the image as desired
by pressing the
[PWR]
key,
adjust light/contrast with
the +/- keys, and press the
[MENU]
key
No GPS position update Check external position to
be OFF, refer to interface
display in
[MENU],[6],[2]
Replace antenna or cable
Check antenna and cable Replace antenna or cable
No normal operation or po-
sition update Turn unit off, and on again
Perform master reset, refer
to section 6.4
Screen update is extremely
slow Check that the stored
Tracks
and Routes (not currently
in use) are not all drawn up
on the chart. Turn off "Course line" in
the "Edit route" display for
each stored route - see
section 4.1.9, and turn off
"Display track" in the
"Track setup" display - see
section 4.2.7.
Warning! Do not operate the unit without a fuse. When replacing the
fuse, make sure to use the same type of fuse again (2 AmpF), as any
other type may cause severe damage to the unit.
4ROUBLESHOOTING PROCEDURE
'. -+)) )NSTALLATION AND SERVICE #HAPTER
87