Installation and Servicing Instructions - New Boiler Installs
2021-5-10 · 22. Hot Water Temperature Control 23. Flame Failure 24. Safety Thermostat 25. Fault on Fan or Flue 26. Fault on Pump or Low System Pressure 27. Fault on Hot Water Sensor 28. Fault on Central Heating Sensor 29. Power On 30. Domestic Hot Water Mode 31. Central Heating Mode 32. Burner On When neons 23 to 28 are constantly illuminated,
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