Furuno NAVpilot-300, Operator'S Manual

Page: 84 / 101

6. MAINTENANCE, TROUBLESHOOTING
6-8
6.4.6 Rudder test
The rudder test checks various aspects of the rudder and controls. To conduct this
test, open the [Diagnostics] menu, then select [Rudder Test].
Note: The rudder test is not available when [Boat Type] is set to [EVCS-Pod Drive],
[EVCS-Outboard], [EVCS-Inboard] or [EVCS-In/Out].
When the rudder reference unit is installed
1. Open the [Diagnostics] menu, then select [Rudder Test]. The following confirma-
tion message appears.
2. Center the rudder then press to start the rudder test.
The following message appears.
To quit the rudder test at any time, press any key.
When the test is completed, the following message appears.
Note 1: If the rudder test is stopped before completion, the steering mode can not
be changed from STBY mode.
Note 2: If any of the following messages appears, the rudder test is stopped be-
fore completion. Rectify the problem, then re-start the rudder test.
3. Press any key to show the test results.
Note 1: If the rudder deadband is higher than 1.3°, the boat may not be controlled
correctly. Check for air in the steering system; and check if the rudder speed is
greater than 10°/s.
Note 2: Do not turn the power off within two seconds after finishing the rudder test.
If the power is turned off accidentally, retry the rudder test.
4. Close the menu.
• "Rudder Test failed. Press any Key to continue."
• "Rudder angle error. Check drive circuit. Press any key to continue."
• "Rudder drive error. Check drive circuit. Press any key to continue."
• [Drive Unit]: Drive type used with the NAVpi-
lot: [Reversible 12V (or 24V)] or [Safe-Helm
12V (or 24V)].
• [Rudder Deadband]: Rudder Deadband
([OK] or [Big])
• [Rudder Speed]: Rudder speed ([OK],
[Fast], or [Slow])
• [Input Voltage]: Input voltage to the proces-
sor unit.
Use helm to center rudder
before Rudder Test.
Are you sure?
Yes 䚷䚷䚷䚷䚷䚷 No
10
Testing Rudder-PLS Wait.
Press any key to abort.
Rudder test completed.
Press any key to continue.
Rudder Test
Drive Unit:
Safe Helm 24V
0°
Rudder DB:
OK
Rudder Spd.:
Fast
Input Voltage:
12.1V
Prev
0°