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Mend Ferroli Optimax 25s Boiler Pressure Fault Codes

how can i fix my ferroli optimax 25s?

not flashing any fault codes , just 2 flashing dashes . pressure reading 1.5 on the gauge. cannot hear the pump or anything else.tried the reset button but will not do anything. urgent help needed. thanks

steve
January 2010
FerroliFerroli Optimax 25sHeating, Home Heating SystemsBoiler Pressure Fault Codes

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Ferroli Optimax 25s Not Working - Fix & Help