Electrolux EDW 1000 Service Manual page 26

7.5 SUPPLEMENTARY SAFETY FEATURES
7.5.1 ANTI-PRESSURE SURGE
Pressure surge sometimes occurs during the hot wash phases when operation of the motor is
resumed after the cycle has been interrupted.
Ä This phenomenon may result in excessive noise, rattling of the dishes and slight leakage of
water from the door seal.
Ä The electronic control system performs a procedure which prevents this phenomenon by
controlling the operation of the motor.
Ä The control procedure consists of a phase (duration 20 seconds) during which the motor rotates
at a constant speed of 1600 rpm; during this period, the remaining loads (i.e. the heating
elements) are switched off.
Ä This procedure takes place only during washing phases (motor in operation), when the cycle is
restarted after a power failure or after opening the door.
7.5.2 DOOR OPEN
A high-voltage sensor connected to the door microswitch performs this function.
Ä When the door is opened, all electrical loads are disconnected (motor, heating element, etc.) and
the electronic control board identifies the "door open" condition; the phase being performed is
interrupted and stored in memory.
Ä When the door is re-closed, all the electrical loads are reconnected; operation of the dishwasher
resumes from the beginning of the phase which was interrupted.
7.5.3 POWER FAILURE
Ä The electronic control system recognizes a power failure condition, and memorizes all the
settings and the current phase in the EEPROM for an unlimited period.
Ä When the power supply is restored, operation of the dishwasher resumes from the beginning of
the phase which was interrupted.
7.5.4 CURRENT PROGRAMME
When the cycle has started, the electronic control system recognizes the "Programme in execution"
condition, and disables all the control keys (with the exception of the CANCEL key) in order to
prevent inadvertent modification of the settings.
7.5.5 CONTROL OF SALT LEVEL
This control system consists of a reed sensor which positioned on the exterior of the salt container
and actioned by an internal float.
7.5.6 CONTROL OF RINSE-AID LEVEL
This control system consists of a reed sensor which positioned on the exterior of the integrated
detergent dispenser and actioned by an internal float.
TSE-P 02.01 LF 26/35 599 34 60-32