BoilerFaultCodesTechnical description
Dry fire
What causes this fault?
This fault occurs when the boiler detects a rapid rise in internal temperature but no movement of water to carry that heat away. The most common reasons are a failed internal pump that isn't circulating the water or a significant blockage in the system's pipework. In some cases, a faulty sensor may also incorrectly report that the system is dry when it is actually full.
This fault is more common in autumn when heating systems are switched back on after a long summer break, as pumps can often seize up from lack of use.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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