Life Of Parts; Troubleshooting - Suzuki SMD7 Installation Manual

5. MAINTENANCE AND TROUBLESHOOTING
5.2

Life of Parts

LCD
The life of the LCD is approximately 18,000 hours. The actual number of hours de-
pends on ambient temperature and humidity. When the brilliance cannot be raised suf-
ficiently, contact your dealer about replacement of the LCD.
5.3

Troubleshooting

This section provides simple troubleshooting procedures that the user can follow to re-
store normal operation. If you cannot restore normal operation, do not check inside the
unit. Have a qualified technician check the equipment.
5.3.1 General troubleshooting
Problem
You can not turn on the power. • Check that the power connector is tightly fastened.
• Check for corrosion on the power cable connector.
• Check for the power cable for damage and corrosion.
• Check battery for correct voltage output.
• Press and hold the power button for several seconds.
The power is on, however noth- • Press the power button several times to adjust the brilliance.
ings appears on the screen. • Check if the unit is plugged into the power source.
Picture is not displayed correctly. Turn the power off, then on again.
If the problem persists, contact your local dealer for service.
The touch screen does not re- • Press the power key and check that [Touch Screen], in the
spond to touch operations. [Brilliance] pop-up menu is set to [ON].
• Turn the power off, then on again.
If the problem persists, contact your local dealer for service.
The display has frozen. • Push the power switch until the power goes off. Turn the pow-
er on again.
• Push the hard reset button, located below the microSD card
slots.
5.3.2 Plotter troubleshooting
Problem
Position is not fixed. Check for interfering objects near the display unit that might be
blocking reception.
Own ship track is not plotted. Check if [Tracks Disp] is turned on in the layered menu.
Remedy
Remedy
44
5.3.3 Radar troubleshooting
Problem
You tapped the [TX] icon on the • Tap the [TX] icon again. (The icon is filled in white when the ra-
radar display to transmit but dar is in transmit state.)
nothing happens. • Check if the radar source is correct.
Marks and characters appear, Check if the radar source is correct.
but echoes do not appear.
Picture is not updated or the • Check that there are no obstructions between the antenna and
picture freezes. the display unit.
• If the picture has frozen, turn the power off and on again.
You tuned the receiver, but the The life span of the magnetron is over. Have a technician check
sensitivity is weak. the magnetron.
You changed the range, but the • Try to change the range again.
radar picture does not change. • Turn the power off and on again.
Poor discrimination in range. Adjust the rain control.
Range rings are not displayed. Check if [Radar Rings] is turned on in the layered menu.
You tapped the [TX] icon to The overload protection has activated. To restore normal opera-
transmit. The "TX screen" ap- tion, turn off all equipment in the network. Wait a few seconds then
pears momentarily, but the ra- turn on all the equipment.
dar soon goes into stand-by.
5.3.4 Fish finder troubleshooting
Problem
You selected a fish finder dis- • Check that the transducer cable is tightly fastened.
play, but no picture appears. • Check that the fish finder source is correct.
• Check that [Transmission] in the cog-wheel menu is set to
[ON].
• Check that [Picture Advance] ([Settings] => [Fish Finder] =>
[Display] menu) is set to other than [OFF].
Marks and characters appear, Check if the transducer cable is tightly connected.
but no picture appears.
Picture appears but zero line • The picture is shifted. Check the shift setting.
does not appear. • Check if the draft setting ([Settings] => [Fish Finder] => [Sensor
Setup]) is zero or higher.
The picture sensitivity is too • If you are in the manual mode, check the gain setting.
low. • Check the transducer face for marine life and air bubbles.
• Bottom is too soft to return an acceptable echo.
The depth indication does not Adjust the bottom level HF/LF.
appear on the screen.
The seabed does not appear on For manual operation, adjust the gain and range to display the
the screen. bottom echo in reddish-brown.
Noise or interference shows on • Make sure the transducer cable is not near the engine.
the display. • Check the ground for tight connection, corrosion.
• Check if another fish finder near your boat has the same fre-
quency as your fish finder.
• Try to reduce interference with [Interference] in the [Quick Set-
tings] menu (cog-wheel at the bottom-left of the display).
5. MAINTENANCE AND TROUBLESHOOTING
Remedy
Remedy
45