Eh1: Incorrect Mains Frequency; Eh2: Mains Voltage Too High; Eh3: Mains Voltage Too Low - Electrolux EWM2100 Service Manual

EH1
Tests to be performed:
Important!
The appliance remains in alarm mode until the frequency returns to the correct value or the appliance is
switched off (programme selector on "0"). Only the family of the alarm is displayed, and the diagnostic
cycle cannot be started. The complete alarm can be read only when the alarm condition has ceased.
Is there interference in the power line, or is the
mains frequency outside the correct limits?
Let repair the domestic power supply circuit.
EH2
Mains voltage higher than configured voltage (for more than 10 seconds)
Tests to be performed:
Important!
The appliance remains in alarm mode until the frequency returns to the correct value or the appliance is
switched off (programme selector on "0"). Only the family of the alarm is displayed, and the diagnostic
cycle cannot be started. The complete alarm can be read only when the alarm condition has ceased.
Is there interference in the power line, or is the
mains voltage outside the correct limits?
Let repair the domestic power supply circuit.
EH3
Tests to be performed:
Important!
The appliance remains in alarm mode until the frequency returns to the correct value or the appliance is
switched off (programme selector on "0"). Only the family of the alarm is displayed, and the diagnostic
cycle cannot be started. The complete alarm can be read only when the alarm condition has ceased.
Is there interference in the power line, or is the
mains voltage outside the correct limits?
Let repair the domestic power supply circuit.
03-2009 SOI/DT-mdm FCPD-dp Quality-fz

EH1: Incorrect mains frequency

The power supply frequency is not within the configured limits
YES

EH2: Mains voltage too high

YES

EH3: Mains voltage too low

Mains voltage lower than configured voltage
YES
NO
Replace the circuit board and restart the
diagnostic cycle to check for further alarms.
NO
Replace the circuit board and restart the
diagnostic cycle to check for further alarms.
NO
Replace the circuit board and restart the
diagnostic cycle to check for further alarms.
If there are traces of burning on the
circuit board, refer to page
71/91
EH1
EH2
EH3
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