Re: Hotpoint BF71 error code F
You may have a flooded base, first unplug the machine, then if you can pull it forwards and lean it back against a wall or cupboard, you may find water draining out from underneath, ( I should have warned you to get some towels handy). If it then works fine it must have been the water he allowed to overflow that caused the problem, if the fault does not go away or returns then you may have an internal leak that needs attention.
Of course this assumes that whoever installed this integrated appliance did their job correctly, unfortunately the percentage is on the low side. 😥