Malfunctions Shown On The Display (For The Technician) - Smeg UG411DSUK Manual

8 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR THE TECHNICIAN)

The dishwasher is able to identify a number of malfunctions and show them on the display. If the problem
persists after the dishwasher has been switched off and back on, proceed as described below:
Tank temperature probe
Er 04
malfunction
Tank water filling malfunction
Er 05
Water pump-out malfunction
Er 06
Boiler does not heat up as
expected.
Er 23
Boiler temperature probe
malfunction
Er 24
Tank temperature probe disconnected or not working.
- The tank wasn't filled in the expected time: check the water
supply tap, the dynamic supply pressure, cleanliness of the inlet
water filter, cleanliness of the rinse nozzles, any damage of the
water charging hose. If the problem still occurs during the "FILL":
- Work level tank pressure switch damaged (it always detects
"empty": check if the tank safety pressure switch starts
operating).
- Leakage from the tube connected to the air trap; if the problem
is not solved, it occurs during the work program.
- vent valve of the drain pipe obstructed with dirt: with
siphonage, the tank gets completely empty at the end of a
washing program.
Check:
- filter cleanliness; obstructions, bending and narrowing of the
drain pipe.
- possible obstructions of the drain pump (blocked with a foreign
body).
In case the problem is not solved, please contact the After-Sales
Service.
The problem might occur because water is continually entering
the tank (the causes are as for "Er 05" – see above) If the boiler
heating element is damaged, this might be due to operation with
no water in the boiler - the pressure switch is indicating full even
with the boiler empty: - damaged boiler heating element –
contactor failure - open on boiler safety thermostat side. - boiler
temperature probe
motherboard relay failure, Important: If the boiler heating
element is damaged, this might be due to operation with no
water in the boiler, pressure switch continues to give full reading
even with boiler empty: check boiler air trap and/or relative
pressure switch and replace if necessary.
Boiler temperature probe disconnected or not working
19
faulty or incorrectly positioned -