Rudder Test - Furuno NAVpilot-300 Operator's Manual

6. MAINTENANCE, TROUBLESHOOTING
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
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.
• "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."
3. Press any key to show the test results.
Drive Unit:
Rudder DB:
Rudder Spd.:
Input Voltage:
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.
6-8
Use helm to center rudder
before Rudder Test.
Are you sure?
Yes
10
Testing Rudder-PLS Wait.
Press any key to abort.
Rudder test completed.
Press any key to continue.
Rudder Test
Safe Helm 24V
OK
Fast
12.1V
0° 0°
Prev
No
to start the rudder test.
• [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.