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Hello,
My first post and from reading the forum I guess I will hear the usual – Indesit PCB – £100 to fix 🙂Anyway – here’s the full story:
Hotpoint WD440P – washer/dryer, bought second hand 9 months ago. Used once a week roughly. No issues at all..
After coming back from holiday – 3 weeks – switched it on on the usual program and it stopped half-way through with Pressure Switch Error Code:
f05 lights 2&4, pressure sw stuck on full.Drained manually, cleaned the waste hose – slight blockage but nothing major,
cleaned the pump – nothing there – it spins fine.
cleaned the black pipe, and the filter with ping-pong ball in it…
Cleaned and blew air through the white pipe and transparent rubber hose going into the pressure switch – all good.
Checked the pressure switch – I hear click after some pressure, the switch is pressure tight, checked with multimeter – works fine…
Put it all back together – same thing – stops half way through on any program just before first drainage.
Took everything apart again to check the pump – pump switches on and spins freely when I blow air to the switch manually – so everything works fine…
Adjusted the switch to short under lighter pressure – still same error.
Ordered new switch – part number: 1604875, came brand new. Installed – same error…
Now after filling it 3 times by restarting any program, with half of drum full of water – disconnecting the hose from the switch releases the pressure and causes the bottom white pipe to fill up properly… but it just won’t drain…
When I blow the air manually into the switch – it works, when I connect everything – it doesn’t. Now after restarting it tens of times and blowing air manually – I get
f08 light 1. heater relay error… which is rather annoying.
It never flooded, looks “new” inside – dampers, hoses and other stuff, the pressure switch is definitely air-tight but it seems like the pressure caused by water is just not enough…Is it PCB? Or have I missed something?
Appreciate all the help and suggestions.
I guess it’s just the way it is with Hotpoints… but then again maybe the PCB is repairable? I’m kind of into electronics so can probably resolder some stuff as long as it’s not SMD…Re: WD440P, pressure switch error but replacing did not help
Follow the hose from the pressure switch towards the bottom of the tub, it should connect onto a small pressure vessel & this connects to the washtub. If the entrance to this pressure vessel is blocked the switch can’t sense pressure changes in the tub, it only takes a tiny amount of muck to block it up. Carefully remove this vessel from the tub & clean any muck out, then re-fit to see what happens.
By the way you’ve posted this in the Dishwasher section, not washing machine section.
Re: WD440P, pressure switch error but replacing did not help
Thanks, I will have a look again and will post in the right section as well…
By small vessel do you mean the ping-pong ball in the filter? and the washtub – being the white plastic pipe going to the pressure switch or the white plastic filter in the black rubber pipe going from the drum to the pump?
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