Guide to diagnostics of electronic controls EWM10931
2011 SOE/DT-mdm FCPD-dp Quality-tb
69/75
599 73 77-37
Checks to perform:
Checks to perform:
Checks to perform:
Checks to perform:
EH3: Supply voltage too low
EH3
Supply voltage value higher than the one configured
EH3
EH4
EH4: “zero watt” relay not functioning
EH4
EHE
EHE: Inconsistency between safety relay (main circuit board)
and safety “sensing” circuit
EHE
EHF: Safety “sensing” circuit faulty
EHF
Input voltage microprocessor wrong
EHF
Is the supply line disturbed or the mains voltage
out of range?
Replace the main circuit board and repeat
the diagnostic cycle to check for any
further alarms.
Have the electrical system of the home
checked / repaired by the proper Body.
NO
Y
E
S
Important
The appliance remains in alarm status until the mains frequency returns to the correct
values or the appliance is switched off (programme selector set to “0”). Only the family of
the alarm is displayed and the diagnostics mode cannot be accessed. The complete
alarm can only be read when the situation has normalised.
!
!
Check that all the connectors are correctly inserted
!
If there are burns on the circuit
board, see page 73
!
Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.
Check that all the connectors are correctly inserted
!
If there are burns on the circuit
board, see page 73
!
Check that all the connectors are correctly inserted
!
If there are burns on the circuit
board, see page 73
!
Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.
Check that all the connectors are correctly inserted
!
If there are burns on the circuit
board, see page 73
!
Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.