The f10 error is a heating issue,
there's a problem with either the heating element or the thermostats or associated wiring,.
Unfortunately there isn't a reset button on that model unlike some,
you will have to check the heating element and T/stats for open circuits,using a multimeter.
Unplug the appliance
Remove the bulged panel on the rear of the appliances by removing the philips screws,
this will allow you to access the heater housing.
Remove the wiring conector and undo the philips screws securing the heater assembly,and remove the assembly.
You will notice two or three T/stats mounted to the heating assembly,
yours may have a brown T/stat (usually the one in the middle),
if it has, look on the back for a small hole,gently push a paperclip in to the hole,you should hear a click,.
This click is the T/stat resetting.
If yours doesn't have the resetable stat you will have to check the element and T/stats using the multimeter,
use the continuity setting,no audiable tone indicates a open circuit and a fail of the components.
Hope this info helps
Good luck with the repair
paul, February 2012