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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:
Er
Tank temperature probe
04
malfunction
Tank water filling
malfunction
Er
05
Water pump-out
malfunction
Er
06
Boiler does not heat up as
expected.
Er
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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 faulty or incorrectly positioned -
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.
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