Another A2141 820-01700-A with error 6


The macbook came dead and I I check all voltages.
20v on c a meter
PPBUS present
Nand voltages
2.9,0.9,1.8 all present.
i restored it via configurator 2,
I got error 6
I revived it, the apple logo came up and the progress bar reached the end and it came up with another error that says
Give up on Waiting to long for system to enter boot os.
pls what can I do.