0 troubleshooting – Zigen AX-88 Audio User Manual
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Matrix Switching System—User Manual
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9.0 Troubleshooting
1. What to do if LCD fails to display?
Answer: Check the connection of power cord. Make sure the power cord is plugged and
does not have any damage. Check to make sure the power source is normal.
2. What to do if the audio matrix front panel keys do not respond?
Answer: The Audio matrix front panel keys employ scanning testing and require longer
response time. Press and hold the keys for 2 seconds and then release.
3. What to do if the serial port (usually refer to the computer serial port) fails to control the
audio matrix?
Answer: Check that the communication port set by the control software is correctly
connected to the corresponding serial port of the equipment. Also, check if the
computer communication port is in good order. Check ID address and DIP
Switcher are configured correctly. Refer to
and
4. What to do if the corresponding audio signal fails to output during audio matrix
switching?
Answer:
(1) Be sure there is signal on the input end. If there is no input signal, it could be that the
input connection cable is broken or the connector got loose. You are advised to
replace the connection cable.
(2) Check if there is signal on the output end. If there is no output signal, it could be that
the cable is broken or the connector gets loose. You are advised to replace the
connection cable.
(3) Check if the output port number is the same as the controlled port number.
(4) Check the connections of input and output ports are correct.
(5) It could be internal failure of the product itself. You must send for repair by qualified
technical engineers.
5. What to do if you sense the power leakage during plugging or unplugging of the
input/output ports?