2. MAINTENANCE, TROUBLESHOOTING

2.4 Diagnostics

If you feel that your unit is not working properly, conduct the appropriate diagnostic test, display unit or antenna unit, to find the possible cause. If you cannot restore normal operation, contact your dealer for advice.

Display unit

1.Turn on the power while pressing and holding down the [MENU/ESC] key. Continue pressing the [MENU/ESC] key until the Installation menu appears.

INSTALLATION MENU

SIMULATION

*

OFF

TEST ...

 

LCD PATTERN ...

 

MEMORY CLEAR

 

NMEA PORT

: IN/OUT

NMEA OUTPUT

: OFF

GPS WAAS

: OFF

GOTO RADAR SETUP...

*The simulation provides internally generated echoes, for use in exhibitions, etc. "SIM" appears at the top left corner when the simulation mode is active.

Installation menu

2.Press ▼ to choose TEST.

3.Press ► to start the test. In a few moments the results will appear.

ROM OK

RAM OK

NMEA 01

Body: 39￿C

Program No. 0359193-**.**

Push [MENU] 3 times to exit.

**.** = Program version no.

Diagnostic test results

Interpreting display unit test results

Item

Results

ROM,

OK: Normal

RAM

NG: No Good

NMEA

Test connector required to test.

 

Normally, “01” is displayed.

Body

Temperature of display unit

4.The squares at the right side of the test results display are for checking controls. Press each key and the arrows on the cursor pad one by one. A control’s corresponding on-screen square “lights” in black if the control is working properly.

5.To return to the Installation menu, press the [MENU/ESC] key three times.

6.To restore normal operation, turn off the power and then turn it on again.

Antenna unit

1.Display the installation menu as in step 1 in the display unit diagnostic test.

2.Press ▼ to choose GOTO RADAR SETUP and then press ►. Power is automatically reset.

3.Press the [POWER/BRILL] and [MODE] keys to transmit.

4.Press the [MENU/ESC] key. The menu below appears.

RADAR SETUP

SCANNER TEST ...

(3/3)

[MENU/ESC]: Exit.

Page 3/3 of user menu

5.Press ▼ to choose SCANNER TEST.

6.Press ► to start the test. In a few moments the results will appear, similar to those shown at the top of the next page.

7.To restore normal operation, turn off the power and then turn it on again.

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Furuno 1623 manual Diagnostics, Display unit, Antenna unit, Installation menu, 3/3 of user menu