Glow-Worm SXI Boiler Range Error Codes

Glow-Worm SXI Boiler Range Error Codes

Codes Description
F1 Ignition fault
F2 Fan
F3 Fan unable to reach ignition speed
F4 Ignition fault
F5 Overheat Fault
F6 Central heating flow thermistor
F7 Domestic hot water thermistor
F8 Tank thermistor (N/A For this appliance)
F9 Water pressure sensor fault (please contact GW technical department for further information)
F10 Central return flow thermistor
F11 Main board connection fault
F12 Connection fault between main pcb and display pcb
F13 Main pcb connection fault
F14 Central heating flow temperature > 95 degrees
F15 Gas valve stepper motor fault
F16 Flame detection fault
F17 Power supply is less than 170v
F18 User interface fault
F19 Central heating thermistor unplugged
F20 Software incompatibility
F24 Cental heating return temperature > 90 degrees
F25 Poor circulation
F26 Poor circulation

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