We may have found other answers which could help you.
Click here for Boiler Not ClassicRemove cover off gas boiler?
British Gas 532/i Gas Combi Boiler?
Siemens RDJ10RF thermostat problem?
How do I work my Storad storage heater?
Vaillant ecotec 831 plus?
Worcester Bosch 532/i Combi Boiler?