Hotpoint Ultima FDW85 Service Information page 12

The are three types of filter cleaning cycles depending at which part of a programme the blockage is
detected.
The charts below show the filter cleaning sequence for the three possible situations that may occur.
Example 1 - During Pre-Wash
Drain
Drain
6.5 litres filled 6.5litres filled
Example 2 - During Wash
1st wash impulses 24 mins
Fill 2 litres
1st wash impulses 16'
2nd wash impulses 24'
Drain andfill
6.5 litres
Wash sump
Drain and fill
6.5 litres
Wash sump
If the sensor contacts open for at least 5 secs, after point 1 the
rinse is repeated. If the sensor contacts open during the 2nd rinse
(for at least 5 secs), after point 1 the dishwasher shows the filter
cleaning alarm.
2nd wash impulses
Drain and fill
5.5 litres
If the sensor contacts open for at least 5 secs, after point 1 the
rinse is repeated. If the sensor contacts open during the 2nd rinse
(for at least 5 secs), after point 1 the dishwasher shows the filter
cleaning alarm.
12
1
Jog-type
rinse 10'
Drain and fill
5.5 litres
1
Jog-type rinse
10 mins
Rinse to
70°C
Rinse up to
70°C