Fulton FB-S Horizontal Firetube Boiler - Manual (Page 56)

The Fulton Companies*FB-S Series Manual*Version 2010-0820 rev. 3/5/13
Page 56
Boiler will not maintain pressure
1. Check oil supply in the supply tank. Check for
clogged nozzle. Clean or replace it. Check oil filter and
replace if necessary.
2. Check gas supply.
3. The flue is too dirty. Clean it.
4. Check the steam pressure switch, reset it if
necessary.
5. Steam is overloaded, reduce it.
Water pump does not start or stop manually
1. Check the connection of water probe.
2. Check and clean the water probe.
3. Check the water level relay, if necessary replace it.
Low water alarm/burner shut off will not act in time
1. Check for tightness and clean the connections.
2. Clean or replace the dirty probes.
3. Replace the water level relay.
4. Check the tightness of the earth connection.
Starting the boiler, the high limit steam pressure
limit is illuminated and the burner stops
1. Boiler is completely filled with water, blow down the
boiler to normal water level.
2. On/Off pressure switch has failed; check the reading
on the pressure gauge.