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CEO: Dr. Bernt Götz • Phone +493641/66880 • Fax +493641/668866 • www.piezosystem.com
9 Troubleshooting
Please check all cables and connections first if the system is not working properly.
Error
Possible cause and fix
LED lights red
No connection between actuator and amplifier.
Check the actuator cable for damage.
LED blinks red
NanoX mode is not possible on this device.
Actuator oscillates in
resonant frequency in
closed loop
Unsuitable PID parameters. Try kp=0, ki=50, kd=0
No communication via USB
possible
Unplug and re-plug the USB cable, restart or reconnect the terminal
application.
Check the device manager for a loaded USB driver.
Check the interface settings: (115200
baud, 8
bits, 1 stop bit, no
parity, software handshake (if applicable))
IP-Search did not find the
device
Check the network connection cable
Check the power supply (at powered device the led must light up)
Check the firewall on PC and router (UDP 30718)
In Ethernet configuration (see 8.4.3
) under „6 Security“ the setting
„Port 77FE“ must set to “enabled”
No connection via Telnet
possible,
although
the
device is found in IP Search
There is a connection with another program or from another
computer to the device (only one connection at a time is possible
via Telnet).
The computer and the device are in different subnets. Set a static
IP in the same subnet or change the subnet address on your
computer.
Check enabled firewalls TCP port 23
In Ethernet configuration (see 8.4.3) under
„1 Channel 1“ the
„port“ should be 23.
