60
Trouble shooting
Many problems have a simple cause and a correspondingly simple solution. The following section describes a few
difficulties you may encounter, and the measures you need to take to cure them. If you find it impossible to solve a
problem with the help of these notes please disconnect the unit from the mains and ask your authorised
specialist
dealer for advice.
Machine does not switch
on.
Cause 1:
Mains lead not plugged in correctly.
Remedy:
Check connection, push connector in firmly.
Cause 2:
Mains fuse burned out.
Remedy:
Have the mains fuse replaced by an authorised specialist workshop. The rating
of the replacement fuse must agree with the specification printed on the unit.
The unit does not respond
to commands.
Cause:
Static discharge or powerful interference (e. g. lightning) have corrupted the
processor memory.
Remedy:
Disconnect mains plug, wait about 1 minute and re-connect. Switch unit on
again.
Machine responds correctly
to manual operation of the
buttons,
but
does
not
respond to remote control
commands.
Cause 1:
Incorrectly inserted batteries or flat batteries in the remote control handset.
Remedy:
Re-install batteries correctly or fit new ones.
The
source
devices
connected to the system
does not respond to remote
control commands.
Cause 1:
The unit you are trying to control is not selected as source device, i. e. the com-
mands from the remote control handset are being passed to a different source
device.
Remedy:
Press the corresponding source button on the remote control handset and try
again.
Cause 2:
The source device is not connected via an
R2LINK
cable.
Remedy:
Complete the connection as shown in the wiring diagram.
Loud humming noise from
the loudspeakers.
Cause:
Poor contact between the Cinch (RCA) / XLR plugs and sockets, or a faulty
cable.
Remedy:
Please check all connections and cables thoroughly.
Summary of Contents for PA 2500 R
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Page 33: ...33 English...
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Page 63: ...63 Anhang Appendix...
Page 64: ...64 Anhang A Appendix A Anschluss Schema Wiring diagram...
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