Troubleshooting Based on Error Codes
0xB1: Power Supply Frequency Out of Range
0xB1
Power Supply Frequency out of configured range.
0xB2: Power Supply Amplitude Out of Range
0xB2
Line Voltage too high or Main Board fault.
0xB3: Power supply Amplitude Out of Range
0xB3
Line Voltage too Low or Main Board fault.
Checks to perform:
IMPORTANT
The Appliance remains in error status until the mains frequency returns
to the correct values or the Appliance is switched OFF. Only the family
of the error is displayed and the diagnostics mode cannot be accessed.
The complete error can only be read when the situation has normalised.
Is the Power Supply as per the product specification?
Replace the Main Board and repeat the diagnostic
cycle to check for any further errors.
0xB4: Zero Watt Relay Error
0xB4
Line Connections in home faulty, Wiring or Main Board defective.
Checks to perform:
Check wiring at terminal block for L1-N-L2 wired correctly. If the wiring is OK then replace the Main Board and
repeat the diagnostic cycle to check for any further errors (L2 is not applicable for Gas models).
Y
E
S
WARNING
Check that all the connectors are correctly
inserted.
Make the Power Supply proper as per the product
specification and repeat the diagnostic cycle to
NO
check for any further errors.
WARNING
Check that all the connectors are correctly
inserted.
56
0xB1
0xB2
0xB3
0xB4