Worcester Bosch CDi Classic Regular Boiler Error Codes

Worcester Bosch CDi Classic Regular Boiler Error Codes

Fault Description System Behaviour
B1 Code plug not detected
C6 Fan speed too low
E2 Central heating (CH) flow negative thermistor coefficient (NTC) sensor defective
E9 Safety temperature limiter in central heating (CH) flow has tripped
EA Flame not detected
F0 Internal error
F7 Flame detected even though appliance switched off
FA Flame detected after gas shut off
FD Reset button pressed by mistake

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