Samsung no power model WW90554DAN with ad wash
Please help, we changed the pc board and the transformer still no power on the display and not switching display on
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If the Samsung WW90J554DAN AddWash washing machine has completely no power and the display is not turning on even after replacing the main PCB and transformer, then the issue is likely elsewhere.
First, check whether proper voltage (220–240V AC) is reaching the machine from the wall socket. Then check the power cord continuity.
Next, inspect the EMI filter (noise filter). If the filter is faulty, power will not reach the PCB even if the board is new.
Also check the wiring harness between the main PCB and the display board. A loose or damaged wire can prevent the display from turning on.
The display board itself may be faulty. Even with a new PCB, a dead display board will result in no screen response.
Finally, confirm that the replacement PCB is not defective.
These are the main areas that should be tested using a multimeter.
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Thank you so much Sir, I determined that there is 220v going to the pcb, I'll do a continuity test on the wires going to the display
Hi @adiel92799
Did you mean model # WW90T554DAN?
Which board did you replace, the main board or the sub board (display panel control board)?
by jayeff
Hi, I replaced the main board, what is concerning is that when I power the washing machine there is no relay sound or no ligth on the main control board
by Adiel
@adiel92799
Is this the board (check model number)?
Can't see any lights on it.
Have you checked if the fuse on the board is OK in case it blew as soon as the board was connected and power was connected to the machine?
by jayeff
Checked the fuse is ok, I decided to unplug the display and started hearing a relay sound and now have a small green light flashing, the moment I plug the display board green ligth dissappear
by Adiel