hotpoint wd420 problem

[12afterjj]

Hi all,
I have an interesting hotpoint wd420 problem, my wd420 worked ok, but would not complete the wash program, would wash the close forever!!!
Had to go to manual wash.
So got in someome to fix the wd420, fitted a new circuit board, now it washes ok on some setting but on E and D will not complete program, lights 2 and 4 constant power light flashing,(pressure switch on full).
Called back the person who fixed? the 420,(fitted a new circuit board) he did all the checks but found no fault.
I think he has fitted a faulty board or the board is not fitted correctly?
Please can any one help me.

 

[rocks1]

Error fo5. Filter blocked or waste kinked.

 

[12afterjj]

@rocks1
Hi,
Checked filter and wastpipe no problem all ok.

Update on problems, all wd420 programs tested, the 2 and 4 lights,(pressure switch on full) only flags up when programs D,E, and F. are used?
When any other program selected, on fault.
Pump checked works ok
filter and all parts connected to it, and wast pipe checked ok
I still think that the new control circuit board that was fitted is the problem
Can any one give me information on how this board is connected.

 

[rocks1]

It's connected right. Get them back to sort it out.