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Fault Finding Codes

Fault finding codes for the Flexicom sx range

Fault finding codes for the Flexicom sx range

CodesDescription
F1Ignition fault
F3Fan unable to reach ignition speed
F4Ignition fault
F5Overheat Fault
F6Central heating flow thermistor
F7Domestic hot water thermistor
F9Low water pressure Sensor
F10Central return flow thermistor
F11Flow and or return thermistor fault
F13PCB memory or sensing fault
F14Gas valve control defective
F15E-bus voltage failure
F22Low water pressure or ignition temperature rise too slow
F25Circulation fault
F43Generic error
F70Software incompatible
F73Unable to see pump activate
F77Condensate pump error (optional)

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