Yamaha PX10 Reference Manual page 41

Number Message
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
Symptom
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
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. Should this also fail, con-
tact your Yamaha dealer.
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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Reference — Message list
41
PX10/PX8/PX5/PX3 Reference Manual