Yamaha XMV4280-D Benutzerhandbuch - Seite 28
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Appendix
Alert number
Protection has been activated, and the power supply
103.
was shut down.
104.
Protection has been activated, and muted.
A short circuit was detected in the speaker output con-
105.
nector, so the output signal has been muted.
The temperature of the amp section (heat sink) has
changed, and the speaker output is now ****.
106.
**** = 0dB and OK
The Redundant Backup function has been activated,
110.
and the input signal has been switched.
28
XMV4280/XMV4140/XMV4280-D/XMV4140-D Owner's Manual
Meaning
-1dB and in protection
muted and in protection
Response
Continuous high-power output may have activated pro-
tection; lower the output level.
For details on the reason that protection was activated,
refer to "[PROTECTION] A/B/C/D indicators" (page 9).
It may be that the speaker output connector's "+" and "-"
are shorted, or that the connected speaker has malfunc-
tioned.
Continuous high-power output will cause high tempera-
tures, so please lower the input level or attenuator. If the
temperature is still high, check whether dirt or a foreign
object could have clogged the cooling fan's air intake,
and clean it if necessary.
There is a problem in the digital signal being input to the
digital signal port.