Hotpoint Ultima 1200 Wm72p Fused With E30 Error
I have a Hotpoint Ultima 1200 WM72P Washer that gave out an electrical pop when running and went off. I switched the machine off and on and the programmer display came back on normally. I then selected a program to test the machine but an error code E30 came up in the display the display then went off and will not come back on. As anyone had this problem, are there any fuses on the display; is this fault the motor drive card, the motor or both?
3 Answers
E30 means the motor isn't working on this machine. There used to be a 7.5 amp fuse on the power modules on these micro processor controlled washing machines which used to blow if the motor went faulty.
It could be that the brushes have worn out and the motor has blown the fuse. This can happen if they spark excessively but it can also happen if the armature goes down to earth, or the armature is faulty. You really need to test the insulation of the motor though with a specialist meter (megger)
It may be better to get in a professional washing machine engineer - Find a washing machine repairman
Need Professional Help or Spare Parts?
A wiring diagram wouldn't help. Domestic appliance engineers don't normally repair PCB's unless they can see a simple dry joint or loose resistor, they normally just replace them. There's no proper technical information on them. Here's a company that has a mail order repair service specialising in Washing machine timer and electronic PCB repairs
Need Professional Help or Spare Parts?
Thanks for the advice. I am an electronics/electrical engineer (but not in domestic appliances) so can repair down to component level if needed. There is no fuse on my circuit board, my motor was faulty, and it blow out several tracks on the motor drive circuit board when it went down, that must have been the electrical pop we heard when the machine went off.
I repaired the tracks on the circuit board and fitted a spare motor I had got, but on power up there still was no display. It must have taken out other components, there is no more sign of visible damage, so without a circuit diagram I am going to struggle. In your experience is the damage normally just limited to the motor drive board or is it likely to have taken out other boards, ie microprocessor and display boards.
The washing machine is well over five years old now so may be beyond viable repair, have you got any idea how much a drive board is likely to be and were is likely to have one, possibly second-hand?
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