Number
Alert
Message
Log
Message
SEVERITY
Content
Action
24
Amplifier Ch.*
Overtemp Level 2
Ch.* OVERTEMP
ERROR
Because the amp
temperature of
corresponding
channel exceeded
level 2, the fan
rotation speed was
raised and the
limiter was applied
to the output.
- Reduce the
output volume so
that the
temperature does
not become
excessive.
- Clean the filter.
Also, keep the
room temperature
constant.
25
Amplifier Ch.*
Overtemp Level 3
Ch.* OVERTEMP
ERROR
Because the amp
temperature of
corresponding
channel exceeded
level 3, the fan
rotation speed was
raised to the
maximum and the
output was muted.
- Reduce the
output volume so
that the
temperature does
not become
excessive.
- Clean the filter.
Also, keep the
room temperature
constant.
26
Ch.* High Load
Ch.* HIGH LOAD
WARNING
Load Because the
amp temperature
of corresponding
channel exceeded
level 3, the fan
rotation speed was
raised to the
maximum and the
output was muted.
- Check that there
is no abnormality
in the speaker or
cable.
- Check that the
Threshold setting
value is
appropriate.
27
Ch.* Low Load
Ch.* LOW LOAD
WARNING
Load The
impedance value
of the
corresponding
channel monitored
by the Load
Monitoring
function is lower
than the specified
value.
- Check that there
is no abnormality
in the speaker or
cable.
- Check that the
Threshold setting
value is
appropriate.
31
Fan * Error
FAN * ERROR
FAULT
The fan of the
corresponding
number has
stopped rotating.
It might be that the
unit has
malfunctioned.
Contact a Yamaha
dealer.
34
Fan Lifetime
Warning
-
WARNING
An internal fan has
reached its
operating lifespan.
Although this will
not immediately
cause a problem
with operation,
contact your dealer
to have the part
replacement.
13. Reference
78
| PC412-D PC412-DI PC406-D PC406-DI Owner’s Manual
