DIGISYNTHETIC K7 Product Use Manual page 10

Frequent troubleshooting guidelines
Issues
LCD monitor no display, light-
emitting diodes (LED)are dark
GUI cannot be online with device
No sounds output
LCD displays fault tips,"error xx"
LCD displays fault tips:"Storage
error"
LCD display fault tips:"DSP1 error"
8
1.Check the power cable is connected correctly.
2. Check the fuse is burned.
3. Check the power switch is closed.
1. Check the communication cable is connected correctly
2. If you use the RS232C port in the back of the device, make sure that USB cable is not connected.
3.Reopen the GUI software and reconnect the communication cable.
1. Check all the input signals are normal.
2. Check all the output connection is correct, include power amplifier and loudspeakers.
3. Restart the device.
4. Restore to factory status, Please refers to the relevant chapter above.
5. Try to restart the device many times is still unable to solve the fault, please contact the
distributor to resolve
1.Restart the device.
2.Restore to factory status, Please refers to the relevant chapter above.
3.Try to restart the device many times is still unable to solve the fault, please contact the
distributor to resolve
1. Restart the device
2. Try to restart the device many times is still unable to solve the fault, please contact the
distributor to resolve
1. Restart the device
2. Try to restart the device many times is still unable to solve the fault, please contact the
distributor to resolve
Troubleshooting method