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599 74 23-12 Rev.00
E24
E24: Sensing circuit of the component (Triac) controlling the drain
pump faulty
E24
E31
E31: The analogue pressure switch provides the main circuit board
with a signal outside the limits
E31
Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.
Measure that the circuit is closed between J7-1,
J7-2, J7-3 and the connector of the analogue
pressure switch (they are three independent
wires (
see Fig. 7)
.
Is the wiring between the main circuit board and
the analogue pressure switch ok and is it
connected correctly on both sides?
Reconnect and/or replace the wiring and repeat
the diagnostic cycle to check for any further
alarms.
Replace the analogue pressure switch and repeat
the diagnostic cycle to check for any further alarms
codes.
Is the appliance displaying the alarm code again?
Replace the main circuit board and repeat the
diagnostic cycle to check for any further alarm
codes.
NO
YES
YES
Fig. 7
MAIN CIRCUIT
BOARD
0
Ω
Analogue
pressure
switch
If there are burns on the circuit board,
see page 68
!
If there are burns on the circuit board,
see page 68
!
Check that all the connectors are correctly inserted
!