E0(Eeprom Parameter Error) - Roland FAVORITE ON-OFF Series Service Manual

5.2 E0 (EEPROM parameter error)
Descrip�on: Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip.
Recommended parts to prepare:
• Indoor PCB
• Outdoor PCB
Troubleshoo�ng and repair:
Shut off the power supply and turn it
Is it s�ll displaying the error
If the EEPROM chip is welded on main
PCB, replace the main PCB directly.
Otherwise, check if the EEPROM chip
plugged in main PCB well.
Replace the indoor/outdoor
Remarks:
The loca�on of the EEPROM chip on the indoor and outdoor PCB is shown in the following two images:
Note: These images are for reference only.
Page 68
on 2 minutes later.
code?
YES
Is it plugged well?
main PCB.
O The unit is opera�ng normally.
N
NO
Correct the connec�on.