# Match error between Main ROM and μSD ROM (PDL Program) (error code:205604)_1

#Cause

Occurs when the firmware version of the main firmware and the μSD (PDL Program) do not match.

#Suspected cause

• Firmware version of main firmware and the μSD (PDL Program) do not match.

#Troubleshooting

• Perform the firmware update, and matching the firmware version of the Main firmware and μSD (PDL Program).