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EH1
EH1: Power Supply Frequency Out of Range
EH1
Power supply frequency out of configured range.
EH2
EH2: Power Supply Amplitude Out of Range
EH2
Line voltage too high or Electronic Control Board fault.
EH3
EH3: Power Supply Amplitude Out of Range
EH3
Line voltage too Low or Electronic Control Board fault.
Checks to perform:
IMPORTANT
The Appliance remains in alarm status until the mains frequency returns
to the correct values or the Appliance is switched OFF. 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.
EH4
EH4: Line Wiring Error
EH4
Line connections in home faulty, Wiring or Electronic Control Board defective.
Checks to perform:
WARNING
Check that all the connectors are correctly
inserted.
WARNING
Check that all the connectors are correctly
inserted.
Check if the power supply is as per the product
specification (Voltage = 240 V (Electric), 120 V (Gas)
Models and Frequency = 60 Hz).
Y
E
S
Make the power supply proper as per the product
specification and repeat the diagnostic cycle to
check for any further alarms.
NO
Replace the Electronic Control Board and repeat the
diagnostic cycle to check for any further alarms.
Check Wiring at terminal block for L1-N-L2 wired correctly and repeat the diagnostic cycle to check for any
further alarms (L2 is not applicable for Gas models).
Troubleshooting Based on Alarm Codes
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