External wireless control communication Installer to reprogramme external control
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boiler-error:boiler error
External wireless control communication Installer to reprogramme external control
External wireless control communication Installer to reprogramme external control
External wireless control communication Installer to reprogramme external control
Heat exchanger sensor Engineer visit required
Water pressure Installer to check circulation
Low voltage Installer to check mains voltage
Flame sensing error Engineer visit required
Hot water sensor Engineer visit required
Power supply frequency Installer to check main power supply is 240v/ 50 Hz
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