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FAQ

Go to FAQ-FALCON
Go to FAQ-SIGMA

 

FAQ – FALCON

On the FALCON-1000: OVERFLOW is indicated in the display

The IP address of the hub which causes the alarm is also displayed. The filters of the serial ports are not propperly programmed. Or the received ethernet data is resent on the Ethernet.

Power LED remains red on the tiller unit

This Can be caused by a wrong setting at the RUDDER SENSOR SOURCE. For example nmea and analog.

No data

The display does not get the data for which it is programmed on its NMEA input or on the Ethernet cable. Check the input of the device.

Rudder alarm / tiller only works as NFU tiller and can not switch over to autopilot.

No NMEA info is provided from the rudder sensor.

Tiller unit does not switch on

Check if one of the display’s is configured as Falcon 500.

Steering valve’s are not adjustable

Check if the flat band cable is plugged into the corresponding output socket of the main pcb.

After changing or adding a steering tiller it is not working correctly

Take of the 24 V from the junction box for a while, when connecting the 24 V again the configuration will be reloaded.

Switching from tiller 1 to 2 is not working correctly.

Resend the TAKE OVER LOCKED function.

The rate of turn indicator seems to be lazy, but the autopilot is working correctly.

The FALCON-1000 with FALCON-300 function has its own Damping adjustment. Set the damping lower and see if the problem is resolved.

When starting, the FALCON-1000 stay’s in Windows and displays a message about: Falconloader.exe

The FALCON-1000 does not read the SD memory card propperly, this can be caused by dirty contacts or an SD card defect.

 

FAQ – SIGMA

Pilot doesn’t steer, no rate of turn signal, no alarm.

Relay ( RE 2 ) of the 15 V on the pcb RZ 1703 can be defected, or it does not work propperly due to poor contacts. Check the Led’s on the pcb, also check fuse F 3. Replace the pcb RZ 1703.

Pilot steers mildly when the tiller (on FU) is at full angle and the set gives a power alarm.

It seems that there is no 24 V Rudder circuit power. If 24 V is present it can be caused by a defective optocoupler ( ic 7 ) on the pcb RZ 1703. In good condition there should be 0,2 V on pin 5 of the ic. See datastring for details.

Zero position of the rudder swifts, with a few degrees per a week.

RZ 1703 should be modified (see SB_RZ219_012.pdf)

System not working, “No Data” alarm

This can be caused by all three units. It sometimes happens that a coil (C 13) in the -24 V line of the Sigma 600 is blown. In that case you measure 24 V on nearly every point in the sigma 600. It is a little SMD component. This may be caused by using an earthed laptop.

Occasional poor steering behaviour on autopilot.

This can be caused by a defective user potmeter, on the Sigma 500 display or the Sigma 550 lever unit. Reading out the datastring can help you to check the potmeters.

No communication between laptop and autopilot.

Check if your laptop is earthed.

Lever gives no order to the rudder, switching to FU and Autopilot goes normal, but on the autopilot the Rate of Turn gives order to the rudder.

In this case you can reload the factory settings. This can be done by switching the dipswitche’s on pcb RZ 1703 to on, 24 V off and on. The set will be buisy for some minutes. subsequently it will give an alarm. When it is ready the pilot will start up. Now place the dipswitch back to the original position. This can also be useful when you have trouble with the gain lever.

When steering the rudder a bit more than 40 degrees it runs to maximal steering angle

This can be caused by problems with the analog to digital converter on the pcb: RZ 1703. Check the pcb with your laptop. When using an emergency tiller, replace the pcb RZ 1703.