Lumens Technology VC-A20P - Manual (Page 36)

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Chapter 9 Troubleshooting
This chapter describes problems you may encounter while using VC-A20P. If you have questions, please refer to
related chapters and follow all the suggested solutions. If the problem still occurred, please contact your distributor or
the service center.
No. Problems Solutions
1. Boot without power
signal
1. Make sure you have plugged in the power cord.
2. Make sure the Service DIP switch is Off.
2. There is no image
output from VC-A20P
1. Check the power.
2. Check if DIP switch is properly set. Please refer to Chapter 8 DIP
Switch Setting for related settings.
3. Make sure the display supports the output resolution; in general, the
resolution is 1080p60/1080i60/720p60.
4. Replace the cables and make sure they are not faulty.
3. VC-A20P image is
severely delayed
Please use 1080p or 720p 60/50 Hz signals rather than 25/30 Hz signals.
4. Not working after
changes to DIP Switch
setting
After completing DIP Switch setting, unplug and reconnect the power cord
and turn on the machine to change the setting.
5. VC-A20P cannot be
operated by remote
control
1. Please confirm if the Camera Select on the remote control can be used
together with the IR Select on VC-A20P.
2. Please prevent VC-A20P from direct sunshine.
3. Make sure the energy-saving bulb and the IR touch screen are as far as
possible in order to avoid interference.
4. When several VC-A20P are connected in the same area, the operation of
two remote controls at the same time may result in signal interference. It
is recommended to use one remote control only.
6. The device cannot be
controlled with Codec
1. Please consult the distributor to make sure the firmware version is the
latest one. The steps to check version is as follows:
1.1 Press [MENU] on the remote control
1.2 Choose [Status]
1.3 Go to Page 5 of [System]
1.4 Make sure the firmware version is correct
2. Make sure the connection is correct (RS-232/422 Input).
3. Make sure System Switch DIP1 and DIP3 are correct.
7. The device cannot be
controlled with
RS-232/RS422
1. Make sure the connection is correct (RS-232/422 Input).
2. Make sure System Switch DIP1 and DIP3 are correct.
8. Whether the Internet
can be used for
operation
Please refer to Chapter 7 Network Function Description for the Internet
usage