BoilerFaultCodesYour boiler has detected a problem with the sensor that monitors the temperature of its internal hot water store.
This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.
Technical description: Micro accumulation vessel NTC fault
What causes this fault?
This fault occurs when the sensor responsible for monitoring the temperature of the small internal hot water tank fails or sends an incorrect signal to the control board. The most common reason is that the sensor has developed an electrical fault over time or the wiring connecting it to the main system has become loose or damaged.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
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