Checking the automatic air vent ............................80
Checking the safety valve .....................................80
Checking the condensate trap ..............................80
Checking the burner and cleaning the heat
exchanger .............................................................81
Error codes ..........................................................82
Shutdowns and lock-outs ..................................87
Lock out .................................................................87
Blocking .................................................................87
Error memory ......................................................90
Error readout memorised ......................................91
Deletion of the error display ..................................92
10.1 General ................................................................93
10.2 Spare parts ..........................................................94
Casing ...................................................................94
Water unit ..............................................................95
Control panel .........................................................96
Casing ...................................................................96
Spare parts list ......................................................97
Contents
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