Ferroli PEGASUS F2 N 2S Instructions For Use, Installation And Maintenance page 25

Pegasus F2 N 2S
Burner explosion. Delay on ignition.
Check that the gas pressure is sufficient and the boiler casing is not dirty.
The adjustment thermostat switches back on with too great a temperature difference.
Check that the thermostat bulb is properly inserted in the sheath.
Check the 2-stage thermostat works properly.
The boiler produces condensation water.
Check that the boiler is not operating at too low a temperature (below 50°C).
Check that gas consumption is regular.
Check the efficiency of the flue.
The boiler goes out for no apparent reason.
Fume thermostat trips.
Safety thermostat trips due to temperature rise.
N.B. To avoid unnecessary expense, before calling the Technical Assistance Service make sure that the boiler
has not stopped due to no electricity or gas.
25