BoilerFaultCodesTechnical description
Water pressure sensor signal out of range (too high) | Cable to water pressure sensor has a short-circuit at 5 V / 24 V or internal fault in water pressure sensor
What causes this fault?
This fault occurs when the boiler's internal computer receives an electrical signal from the pressure sensor that is outside of its normal operating limits. The most common reason is an electrical short-circuit within the sensor itself or damage to the delicate wiring connecting the sensor to the main control board.
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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