Displaying The Message Board; Diagnostics - Furuno GP-33 User Manual

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
Message
GPS ERROR!
GPS NO FIX!
RAM ERROR!
ROM ERROR!
BACKUP ERROR!
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.
1
2
3
4
Request service.
No GPS signal. Check antenna cable.
Request service.
Request service.
RAM data corrupted. Try to clear backup data.
2051530-XX.XX
2051531-XX.XX
XX: Program version No.
8. MAINTENANCE, TROUBLESHOOTING
Meaning, remedy
48502640-XX
2051532-XX.XX
5
Key test field
8-3