E1 : Machine has exceeded a check time for fill, heat or empty.
Common causes for this are fill and empty problems, heater fault or wiring
to it broken, Pump open circuit (although that would stop the water draining too) Pressure chamber blocked or pressure tubing pipe looped below the pressure bottle or a sticking eco ball in the sump hose (sludge and grease build up
Hope this helps
jonny
October 2005