20 Most Recent WYSE WT9650XE 512MB/512MB LCD INTERG (90206830) Network Terminal Questions & Answers

f8 is shown when the heater circuit is on with no water in.. it doesnt do it when you unplug the pressure switch because your disabling the heat protect circuit

THE BOARD IS PROBABLY FAULTY

F08 indicates pressure switch stuck on full.



Unplug the appliance from the wall socket.

Take the top off the machine.

Locate the pressure switch, you can identify it by the thin tube attached to it.

Take the tube off, blow down this tube as hard as you can to shift any blockage or restriction in the pressure chamber. Give the pressure switch a couple of good taps with the screwdriver handle.

Refit the tube and try the machine again.

If still doing it, unplug again and follow the tube down.

This end will be attached to the pressure chamber.

Take this chamber off and thoroughly clean it out, clean out the port into the tub too.

Reassemble and try again.



If after this it's still faulty you'll need to start replacing parts.

I'd suggest trying a new pressure switch first.

Failing this, if all of the above fails to resolve the problem you're possibly looking at a faulty main control board.



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Turn Off the computer, now as soon as you hit the power button, keep on holding "Alt" key & keep on tapping "F10 key,ie: Alt+F10, it will open the recovery console ,select full factory restore and follow on screen instruction. (Note:this will erase all datas on the computer)

Hope this helps

http://bitsavers.org/pdf/wyse/WY-60/WY-60_Maintenance_Manual.pdf

May see if Dell can provide it to you. https://www.dell.com/support/contents/us/en/04/category/Contact-Information?~ck=mn

Did you try Wyse as the password? https://www.dell.com/support/contents/us/en/04/article/Product-Support/Self-support-Knowledgebase/Dell-Subsidiaries/wyse

http://www.wyse.com/support/authorized-service-centers unless you are a electrician don't risk doing it yourself in case something goes wrong and someone gets injured or worse then http://www.wyse.com/support/warranty-and-RMAs/spares

Its asking for a password