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We have 37 questions about mending 'fault code display' in category Heating, Home Heating Systems which have been answered
Remove boiler cover?
Vaillant ecotec 831 plus?
Fan tries to run every 15 seconds then stops immediately?
Worcester boiler dripping water?
How do I work my Storad storage heater?
Boiler cycle?
Siemens RDJ10RF thermostat problem?
Worcester Bosch 532/i Combi Boiler?
Vaillant F22 fault?