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EH3
Checks to perform:
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
Is the supply line disturbed or the mains voltage
out of range?
Have the electrical system of the home
checked / repaired by the proper Body.
EH4
Checks to perform:
Replace the main circuit board and repeat the diagnostic cycle to check for any
EHE: Inconsistency between safety relay (main circuit board) and
EHE
Checks to perform:
Replace the main circuit board and repeat the diagnostic cycle to check for any
EHF
Checks to perform:
Replace the main circuit board and repeat the diagnostic cycle to check for any
2013 TS/DT-mdm FCPD-dp
Guide to diagnostics of EWX11831 electronic controls
EH3: Supply voltage too low
Supply voltage value higher than the one configured
alarm can only be read when the situation has normalised.
Y
E
S
EH4: "zero watt" relay not functioning
further alarms.
safety "sensing" circuit
further alarms.
EHF: Safety sensing circuit faulty
Input voltage microprocessor wrong
further alarms.
!
Check that all the connectors are correctly inserted
Important!
Replace the main circuit board and repeat the
diagnostic cycle to check for any further
NO
!
!
Check that all the connectors are correctly inserted
!
!
Check that all the connectors are correctly inserted
!
!
Check that all the connectors are correctly inserted
!
65/71
alarms.
If there are burns on the circuit board,
see page 69
If there are burns on the circuit board,
see page 69
If there are burns on the circuit board,
see page 69
If there are burns on the circuit board,
see page 69
599 77 00-82 Rev. 01
EH3
!
EH4
EHE
EHF
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