SOI/DT 2010-03 dmm 55/78 599 72 84-41
11.11 Anti-foam control system
The anti-foam control procedure is performed via the electronic pressure switch.
Spin phase without foam Spin phase with little foam
• Spin with little foam: if the contact of the electronic pressure switch closes on "full", the spin phase is
interrupted; the drain pump continues to operate and, when the contact returns to "empty", the spin phase is
resumed.
• Spin with excessive foam in the tub (critical situation): the control system detects whether the
electronic pressure switch switches 5 times to full (five spin interruptions). If this occurs, the spin phase is
skipped, and a one-minute drain cycle is performed with the motor stationary and, in the case of a washing
phase, a supplementary rinse is added.
FUCS
450 rpm pulses
Spin
Anti-foam
( Electronic level )
450 rpm pulses
FUCS
Spin
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