E16 is listed in the service manual as a heating element fault.
Water Heating Element is short circuited or defective electrical insulation.
Unplug the appliance and take the rear cover off.
Check the wiring to the element and if you have a multimeter do basic checks on the element.
You may have to replace the element to try and cure the fault.
Hope this helps
Let me know how it goes.
ok i will try this tomorrow and see how i get on.... does this explain the e03 message that we keep getting too???
No, E03 is listed as a draining failure.
Either the machine is taking too long to drain or it doesn't know it's drained.
The former would be a restriction preventing the appliance draining quickly enough.
The latter would suggest a restriction in the pressure system or a faulty pressure switch.