Diagnosis
This image indicates there is an error (only two of the dots light up).
This image shows the error details. This error number corresponds to the USB-MIDI jack.
Detailed errors and error numbers:
8.
ERP
Press the [+]/[-] buttons to select "C07". Press [START/STOP], it will show the ERP time setting. Or
press [CLICK] to exit.
In the ERP menu, press the [POWER] button. If it turns off the power, it indicates the ERP circuits are
OK.
Error
Error number on screen
IRAM
XRAM
ROM
EEPROM
ADC
USBMIDI
E01
E02
E03
E04
E05
E06
27