User Manual

Appendix
XMV4280/XMV4140/XMV4280-D/XMV4140-D Owner’s Manual
28
101.
The power supply was shut down because its tempera-
ture exceeded the allowed limit.
Turn the power off, let the power supply cool down, then
turn the power on again.
Continuous high-power output will cause high tempera-
tures, so please lower the output level. If the temperature
is still high, check whether dirt or a foreign object could
have clogged the cooling fan, and clean the fan if neces-
sary.
103.
Protection has been activated, and the power supply
was shut down.
Continuous high-power output ma
y have ac
tivated 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).
104. Protection has been activated, and muted.
105.
A short circuit was detected in the speaker output con-
nector, so the output signal has been muted.
It may be that the speaker output connector’s “+” and “-”
are shorted, or that the connected speaker has malfunc-
tioned.
106.
The temperature of the amp section (heat sink) has
changed, and the speaker output is now ****.
**** = 0dB and OK
-1dB and in protection
muted and in protection
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
ob
ject could have clogged the cooling fan’s air intake,
and clean it if necessary.
110.
The Redundant Backup function has been activated,
and the input signal has been switched.
There is a problem in the digital signal. Check the digital
line connection and check whether the pilot tone is being
input.
Alert number Meaning Response