See under point
Error A1 (there is no fire 1, 6, 7, 8, and 9
Error A2 (ebullition thermostat) 4 and 10
Error A3 (motor protection) 4 and 11
Error A4 (flow temperature >94°C 10
The fuel is not conveyed forwards 1, 2, 3, 4, 6, 9 and 11
The backfire safety sprinkler has been released 1, 5 and 11
No heat on the system 12 and 13
Pkt.
1. Check whether the hopper lid is closed.
2. Check whether the worm conveyor/auger is turning the right way round.
3. Check whether there is voltage for the boiler.
4. Check the safety devices on the PC board.
5. Check whether the hopper lid closes tight (the packing must be intact and there
must not be any pellets, branches and suchlike lying on the packing surface.
6. Check the micro-switch on the hopper lid.
7. Check whether the flue gas temperature is not too low.
8. Check that the backfire safety sprinkler device has not opened.
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