Gas supply fault Check gas is turned on, if prepayment meter check there is credit. If all ok and E133 persists – contact Engineer to visit & investigate
Tag:
fault
Overheat Check radiators are bled
System water pressure low Add water via filling loop
System water pressure high Bleed water from radiators
Overheat Check radiators are bled
Parameter error Installer to call back to reset parameter(s)
High limit thermostat Engineer visit required
Boiler control Engineer visit required
Poor/No circulation Installer to call back to check circulation
Fan fault Engineer visit required