machine door locking/lights etc, but no power to solenoid or motor
Hi,
My machine is turning on with the led's lighting, allowing me to select and start a program, doors locking and then the counter starts to countdown as normal. But nothing else happens, no water and no motor. I have tried spin modes etc, but they are all the same.
I have checked that the solenoids work when powered from an external source, But they are not receiving power from the control unit.
There is still meat on the motor bushes and the drum spins freely.
This is my first time looking at fixing a washing machine so I don't really know what else I can check, If there are fusees or other safety 'trips' etc? That said, I would have thought that if that was the issue there would be an Error message showing?
is there maybe a relay I can replace? or..?
Any help would be greatly appreciated!
Ash
Machine: Electrolux / Zanussi ZWF12280W
Solution Summary
AI-generated from this discussion
This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.
Electrolux/Zanussi ZWF12280W powers up and locks door but does not fill or run motor
- The problem
- The washing machine powers on, programme selection works, the door locks and the timer counts down, but there is no water intake and the motor does not run on any programme tried, including spin. The original poster also reported no power being sent from the control unit to the inlet solenoids.
- Likely cause
- A fault on the control board was the strongest diagnosis. The black residue seen on the PCB was not confirmed as burning because it wiped off, but the poster reported that a relay on the board would not switch during off-machine testing. No exact failed component or final repair was confirmed.
- What fixed it
- The discussion supported focusing on the control PCB rather than assuming the visible black residue was heat damage. The strongest supported diagnosis was a control-board switching fault, likely involving the relay mentioned by the poster. The exact repair was not documented in the thread.
- Checks to try
- Door locks and programme countdown operate normally
- No water fill and no motor action on wash or spin programmes
- Inlet solenoids worked when powered from an external source
- Motor brushes still had usable length
- Drum spun freely by hand
- Black residue on the control board wiped off
- A relay on the control board was reported as not switching during external testing
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
3 Answers
Hi. It’s difficult to tell from the photo but it’s common for a lot of black soot to accumulate near hot parts of PCBs that many people mistake for burning. If it wipes off and nothing is obviously burnt it might just be that but if you can see a component has burnt out fair enough.
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I have just taken a close look at the control board.
I assume the black char is not a design feature.
I think you might be right. it does just wipe off and the blackest thing on that side is a diode that stick works, on the other side in that location is a Power Integration IC, but aside from the black on the PCB it seems ok. that relay directly above is refusing to switch though. the board is away from the machine, testing it with an external power source)
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