Guide to diagnostics of electronic controls EWM10931
2011 SOE/DT-mdm FCPD-dp Quality-tb
64/75
599 73 77-37
EC1: Water fill solenoid valves blocked
EC1
The flowmeter has to fill water even with the solenoid valve not piloted
EC1
Checks to perform:
Open the drawer to
check which solenoid
valve is leaking and
replace it.
Repeat the
diagnostic cycle
to check for any
further alarms.
Does the solenoid
valve start filling
with water as soon
as the appliance is
turned on?
Open the drawer to check which
solenoid valve is leaking and
measure between the wiring
connector of the respective solenoid
valve and the appliance body to see if
there is any dispersion
(fig.6 and tab.1).
Is there any dispersion?
Replace the main circuit
board and repeat the
diagnostic cycle to check for
any further alarms.
Does the
appliance fill with
water when the
appliance is
turned off?
Replace the main circuit board
and repeat the diagnostic cycle to
check for any further alarms.
Replace the wiring and repeat the diagnostic cycle to check
for any further alarms.
Y
E
S
NO
NO
NO
Y
E
S
Check that all the connectors are correctly inserted
!
If there are burns on the circuit
board, see page 73
!
Fig. 6
Y
E
S
Between J7-1 and J7-3 wash solenoid valve
Between J7-4 and J7-6 pre-wash solenoid valve
Between J8-1 and J8-3 third solenoid valve
Between J8-4 and J8-6 hot water solenoid valve
Tab. 1
MAIN CIRCUIT
BOARD
WASH
PRE-
WASH
HOT
WATER
∞
Ω
3rd
SOLENOID
VALVE