dcc7550/dc250

[johnner66]

i have the fault code 124-374 i have replace the io pwb n the ess kit but still got the code come out when copy thanks any help ??

[TzALbg]

Reseated the thin ribbon cables, (J401 and J402 on the MCU pwb), between the MCU and IOT Driver PWB's.
Clean each end gently with a pencil eraser and film remover and then reinstall.

[johnner66]

hi thanks i have replace the two flat cable too

[TzALbg]

Perform a "Forced NVM Initialization"

Power off machine.
Turn on machine while holding down the following buttons on the UI.
Power Saver button
Stop button
3 button
Continue holding these buttons until the Interrupt LED starts flashing and then release.