Guide to diagnostics of electronic controls EWM10931
2011 SOE/DT-mdm FCPD-dp Quality-tb
54/75
599 73 77-37
E66
E66: Heating element power supply relay faulty
E66
Checks to perform:
Measure between the connector J3-1/J3-2 of
the main circuit board and the appliance body.
-(fig.6)-
Is there any dispersion?
Replace the circuit board and repeat the
diagnostic cycle to check for any
further alarms.
Detach the connectors and measure between
the heating element and the earth contact.
-fig.19-
Is the circuit open?
Replace the heating element and repeat
the diagnostic cycle to check for any
further alarms.
Check/replace the wiring and repeat
the diagnostic cycle to check for any
further alarms.
Y
E
S
NO
Y
E
S
NO
Check that all the connectors are correctly inserted
!
J16 J13 J15
J10 J11
J4
J8
J7
J6
J12
J5
J3
J9
J1
Fig. 4
Fig. 6
Fig. 19
If there are burns on the circuit
board, see page 73
!
MAIN CIRCUIT
BOARD
∞ Ω
Washing heating element
∞
Ω
∞
Ω