Found this on another site, hope it helps......
BELLING DISHWASHER FAULT CODES
E1 - If the water inlet valve has worked for 4 mins and the flowmeter detects that not enough water has entered the Dishwasher (3.5l) the the control board will shut down all functions and the alarm buzzer will sound for 30 secs and "E1" will be displayed on the control panel, the Dishwasher will pause for 3 mins and then drain out the water for 90 secs and revert to the rest position.
E3 - A. If the heating element is still heating after the allowed time, then the control board will advance the programme to next step and at the end of the washing cycle the alarm buzzer will sound for 30 sec and the display will show E3.
B. When the contol board detects that the heating element is operating during a non heating step or during the internal test the heating circuit is found to be open circuit then the alarm buzzer will sound for 30 sec and the control board will cease all functions except for the drain cycle which will run for 90 seconds and then E3 will be displayed on the contol panel.
E4 - Any time that the float chamber micro switch operates for more than 2 secs the control board will shut down all functions and operate the drain pump for 30 secs and then sound the alarm buzzer for 30 secs and the control panel displays E4. If the microswitch sets during the draining period then the control board will allow the dishwasher to function normally again , or the dishwasher will then revert to constant draining until the micro switch returns to normal rest position.
E6 - If after the control board has carried out an internal test and found the thermister open circuit the dishwasher will cease all functions and the alarm buzzer will sound for 30 secs and the control panel will display E6 after a further 3 mins the machine will operate the drain pump for 90 secs and revert to rest position.
E7 - If after the control board has carried out an internal test and found the thermister short circuit the dishwasher will cease all functions and the alarm buzzer will sound for 30 secs and the control panel will display E7 atfer a further 3 mins the machine will operate the drain pump for 90 secs and revert to the rest position.
NotaFan, February 2010