3.3.5 Switching off the System ............................................................................... 25
4Boiler maintenance 26
4.1 General information on maintenance 26
4.2 Inspection and cleaning 27
4.2.1 Inspection.................................................................................................... 27
Checking the thermal discharge safety device .................................................. 27
Check safety valve ....................................................................................... 27
Check the system pressure............................................................................ 27
Check the geared motors .............................................................................. 27
4.2.2 Cleaning...................................................................................................... 28
Empty the ash container retort....................................................................... 28
Empty the heat exchanger ash container ......................................................... 29
4.2.3 Monthly inspection ........................................................................................ 30
Activate service mode................................................................................... 30
Clean the combustion chamber and combustion space....................................... 30
4.2.4 Annual inspection.......................................................................................... 32
Clean the heat-exchanger ............................................................................. 32
Clean the area below the step grate................................................................ 32
Clean the flue gas recirculation (FGR) (optional)............................................... 33
Clean the induced draught fan ....................................................................... 34
Clean the combustion air blower fan ............................................................... 34
Check the under-pressure controller ............................................................... 34
Check the combustion chamber overpressure sensor......................................... 35
Check door seals.......................................................................................... 35
Check the draught controller flap and explosion flap.......................................... 35
4.3 Instructions for measuring emissions 36
4.3.1 Measurement at rated load............................................................................. 36
Activate chimney-sweep mode....................................................................... 36
4.3.2 Measurement at partial load (if necessary) ....................................................... 36
4.4 Maintenance agreement / Customer service 37
4.5 Replacement parts 37
4.6 Disposal information 37
4.6.1 Ash disposal............................................................................................... 37
4.6.2 Disposal of system components ................................................................. 37
5Troubleshooting 38
5.1 General faults in power supply 38
5.1.1 System procedure following power failure......................................................... 38
5.2 Excessive temperature 38
5.3 Faults with fault message 39
5.3.1 Procedure for fault messages.......................................................................... 39
5.3.2 Acknowledging a fault message....................................................................... 39
6Appendix 40
6.1 Addresses 40
6.1.1 Manufacturer’s Address.................................................................................. 40
6.1.2 Installer’s address......................................................................................... 40