Heating return sensor fault Engineer visit required
Tag:
fault
Flue sensor fault Engineer visit required
Heating flow sensor fault Engineer visit required
Installer to check system for water leaks Auto refill on too long
Auto water refill on Should clear, if not engineer visit
Gas valve/wiring/pcb fault Engineer visit required
Flow switch stuck closed Engineer visit required
Flow switch stuck open Engineer visit required
External sensor fault Engineer visit required
Gas valve wiring Engineer visit required