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PX10/PX8/PX5/PX3
MESSAGE LIST
Number
Message
01–06
SYSTEM ERROR
07
SP PRESET DATA LOST
08
WRONG SP PRESET DATA
20
OUTPUT CURRENT OVER [*]
21
AMP TEMP TOO HIGH
22–24
LIMITED BY OVERHEAT
25
MUTED BY OVERHEAT
26–27
POWER SUPPLY TEMP TOO HIGH
33
SPEAKER IMPEDANCE TOO LOW [*]
50
USB:COMPATIBLE DEVICES NOT FOUND
51
USB:NO FILE SYSTEM
52
USB:FILE NOT FOUND
53
USB:ILLEGAL FILE
54
USB:INCOMPATIBLE FORMAT
55
USB:I/O ERROR
56
USB:STORAGE FULL!
58
USB:LOAD ERROR
65
INCOMPATIBLE DATA LOADED
70
POWER TURNED ON
71
POWER TURNED OFF
72
SHORT INTERRUPTION
73
FIRMWARE UPDATE COMPLETED
74
PANEL UNLOCKED
75
SP PRESET RECALLED[*]
76
SP PRESET LOADED
77
AMP PRESET RECALLED[*]
78
AMP PRESET STORED[*]
79
AMP PRESET CLEARED[*]
80
BACKUP DATA LOADED
90
CONFIG+TUNING DATA INITIALIZED
91
ALL DATA INITIALIZED
92
FACTORY DATA RESET
96
Symptom
The device has not started up correctly.
The speaker preset file is corrupted.
The speaker preset data in the device are corrupted.
Failure might have occurred in loading a speaker
preset file from the USB flash drive.
Protection of the circuitry has been enabled in the
device because there is: 1) a short at a speaker
terminal, amplifier terminal, or wire; or 2) the amplifier
load is excessive. (*: channel name)
The temperature in the amplifier unit of has exceeded
the allowed limit. The output load is excessively high.
This tends to occur when the load of only channel A is
high.
The amplifier temperature is excessively high, and so
the limiter for the output has been activated.
The amplifier temperature is excessively high, and so
the output level has been lowered.
The amplifier temperature is excessively high, and so
the cooling fan has been set to the maximum speed
and the limiter has been activated.
The speaker impedance is excessively low.
(*: channel name)
A USB flash drive has not been installed.
The file system of the USB flash drive is unreadable.
The object file has not been found.
Illegal file.
Incompatible file format.
Cannot read/write the USB flash drive properly.
The remaining capacity of the USB flash drive is not
sufficient.
The USB flash drive has been unplugged during
access. A failure has occurred in reading files from
the USB flash drive. Data in the PX amplifier may be
corrupted or lost.
The recalled preset includes incompatible settings, so
the setting has reverted to the default. This also results
when a file stored from PX5/PX3 in Power Boost mode
has been restored.
The device has been turned on.
The device has been turned off.
An instantaneous power failure occurred, causing the
device to shut down and start up again.
Completed the update of the firmware.
Released the panel lock.
Recalled a speaker preset. (*: speaker preset number)
Loaded a speaker preset from the USB flash drive.
Recalled an amplifier preset. (*: amplifier preset number)
Stored an amplifier preset. (*: amplifier preset number)
Cleared an amplifier preset. (*: amplifier preset number)
Loaded setting data from a USB flash drive with
"RESTORE FROM USB" in DEVICE BACKUP screen.
Initialized the configuration and tuning data.
Initialized all the parameter settings.
Initialized all the speaker presets and parameter settings.
Possible solution
Turn the power off, and then turn back on after waiting at
least 6 seconds. If this does not solve the problem, initialize
the memory. Should this also fail, contact your Yamaha
dealer.
Load the preset file again from a USB flash drive. If this
does not solve the problem, initialize the memory.
Load the preset file again from a USB flash drive. If this
does not solve the problem, initialize the memory.
Make sure that the speakers are not damaged and the total
impedance is not too low, and inspect the connection of the
speaker cables.
Since continuous high-power output causes high temperatures,
lower the output level. If the load is biased on the channel
A, disperse the load by connecting to the channel B or other
amplifiers. Also, check whether dirt or a foreign object could
have clogged the cooling fan, and clean the fan itself if
necessary.
S i n c e c o n t i nu o u s h i g h - p owe r o u t p u t c a u s e s h i g h
temperatures, lower the output level. Also, check whether
dirt or a foreign object could have clogged the cooling fan,
and clean the fan itself if necessary.
S i n c e c o n t i nu o u s h i g h - p owe r o u t p u t c a u s e s h i g h
temperatures, lower the output level. Also, check whether
dirt or a foreign object could have clogged the cooling fan,
and clean the fan itself if necessary.
Since continuous use may cause malfunction in the power
supply unit, stop using immediately, or lower the output
level. Also, check whether dirt or a foreign object could have
clogged the cooling fan, and clean the fan itself if necessary.
Make sure that the speakers are not damaged and the total
impedance is not too low, and inspect the connection of the
speaker cables.
Install an appropriate USB flash drive. Refer to Yamaha Pro
Audio global website (http://www.yamahaproaudio.com/) for
tested USB flash drive.
Use a USB flash drive formatted properly to FAT32 or FAT16.
Make sure the relevant file is contained in the USB flash
drive and try again.
Replace with an appropriate file and try again.
Replace with an appropriate file and try again.
Confirm that the USB flash drive you are using works
properly with a computer. Use a tested USB flash drive.
Refer to Yamaha Pro Audio global website (http://www.
yamahaproaudio.com/) for tested USB flash drive.
Make sure the USB flash drive has enough free space.
Try again. The [USB] indicator flashes when the USB flash
drive is being accessed. Do not unplug the USB flash drive
during this time.
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Connect to a stable power supply.
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