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Verified boiler fault-code guides
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Worcester Bosch · Greenstar CDi Classic ErP Combi
- Worcester Bosch E9Safety temp. limiter in CH flow has tripped
- Worcester Bosch A7Hot water NTC sensor defective
- Worcester Bosch E2CH flow NTC sensor defective
- Worcester Bosch F7Flame detected even though boiler switched off
- Worcester Bosch FAFlame detected after gas shut off
- Worcester Bosch A8Break in communication to FX controls.
- Worcester Bosch b1Code plug not detected.
- Worcester Bosch F0Internal error.
- Worcester Bosch FdReset button pressed by mistake.
- Worcester Bosch A1Pump has run dry or pump has stalled/seized.
- Worcester Bosch EAEA means that a flame was not detected.
- Worcester Bosch C6C6 indicates that the fan speed is too low.
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