Furuno GP-33 - Manual (Page 67)

8. MAINTENANCE, TROUBLESHOOTING
8-3
8.3 Displaying the Message Board
When an error occurs, a message and an alarm icon appear on the screen. The mes-
sage board displays the error messages (see page 6-2) shown in table below.
Messages and meanings
8.4 Diagnostics
The diagnostic test checks the ROM, RAM, input data, GPS core, keyboard and LCD
performance. The user can do the tests to help the service technician in troubleshoot-
ing.
1. Press the MENU/ZOOM key twice to show the menu.
2. Select [System], and press the ENT key.
3. Select [Self Test], and press the ENT key.
4. Select [System Test], and press the ENT key to start the test.
The results are individually displayed as OK or NG (No Good). If NG appears, try
the test again. If NG re-appears, contact your dealer for advice.
Message Meaning, remedy
GPS ERROR! Request service.
GPS NO FIX! No GPS signal. Check antenna cable.
RAM ERROR! Request service.
ROM ERROR! Request service.
BACKUP ERROR! RAM data corrupted. Try to clear backup data.
XX: Program version No.
1
2
3
2051530-XX.XX
2051531-XX.XX 2051532-XX.XX
48502640-XX
4
Key test field
5