20011757
2
GB
Contents
9
Maintenance ..............................................................................................................................................................................22
9.1
Notes on safety for the maintenance.............................................................................................................................22
9.2
Maintenance programme ..............................................................................................................................................22
9.2.1 Maintenance frequency .................................................................................................................................................22
9.2.2 Checking and cleaning ..................................................................................................................................................22
9.3
Maintenance position ....................................................................................................................................................23
9.3.1 Access to the fan ...........................................................................................................................................................23
9.3.2 Nozzle replacement.......................................................................................................................................................23
9.3.3 Head assembly/electrode replacement .........................................................................................................................24
9.4
Control box visual diagnostics .......................................................................................................................................25
9.4.1 Led colour code of the control box reset button ............................................................................................................25
9.4.2 Block types and intervention times if the burner fails ....................................................................................................26
9.4.3 Resetting the control box...............................................................................................................................................26
9.4.4 Recycle function ............................................................................................................................................................26
9.4.5 Logging of burner operating parameters .......................................................................................................................26
9.5
Supplementary, programmable control box functions ...................................................................................................26
9.5.1 Post-purging function (t6) ..............................................................................................................................................26
9.5.2 Continuous purging function, (only for applications in which this is provided for) .........................................................27
9.5.3 Long pre-purging (t7) operation.....................................................................................................................................27
9.5.4 Function setting procedure using reset button ..............................................................................................................27
10 Faults / Solutions ......................................................................................................................................................................28
10.1
Burner start-up difficulties..............................................................................................................................................28
10.2
Operating faults .............................................................................................................................................................28